Pneumatic Cylinder
2008
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 SMC HIGH SPEED 32MM X 400MM AUTOMATION AIR CYLINDERS $79.99 Time Remaining: 16d 14h 58m Buy It Now for only: $79.99 |
 2 Hoerbiger Origa Pneumatic Rodless Cylinders $24.99 (1 Bid) Time Remaining: 7h 12m |
 HYDRO TEST PUMP $789.00 Time Remaining: 16d 10h 57m Buy It Now for only: $789.00 |
 SMC MXS25 50B Air Slide Table w 2 D M9P Sensor $200.00 Time Remaining: 16d 18h 14m Buy It Now for only: $200.00 |
 AMERICAN AIR CYLINDER 3000DVS 100 2 $67.49 Time Remaining: 15d 9h 39m Buy It Now for only: $67.49 |
 USED Clippard Minimatic UDR 48 6 M Cylinder 3x6 Double Acting Magnetic Piston $59.99 Time Remaining: 18d 16h 48m Buy It Now for only: $59.99 |
 AIR CYLINDERS PNEUMATIC CYLINDERS $750.00 Time Remaining: 17d 10h 26m Buy It Now for only: $750.00 |
 CLIPPARD MINIMATIC SETUP 8 LONG $32.00 Time Remaining: 27d 13h 57m Buy It Now for only: $32.00 |
 Bimba Ultran Rodless Cylinder USS 0110688 $57.49 Time Remaining: 24d 9h 3m Buy It Now for only: $57.49 |
 SMC CDG1LA32 50J Air Cylinder CG1 Series 32mm bore 50mm stroke w bellows $70.00 Time Remaining: 15d 7h 15m Buy It Now for only: $70.00 |
 SMC MXS6 30A Pneumatic Air Slide Table 30mm Stroke Linear Rail Cylinder MXS 30 $61.99 Time Remaining: 13h Buy It Now for only: $61.99 |
 SMC CM2B25 N5030 102 Stainless Steel Linear Actuator Max Pressure 145 Psi $39.95 Time Remaining: 2d 20h 2m Buy It Now for only: $39.95 |
 SMC NCDY2S25H 2000B Rodless Pneumatic Cylinder $125.00 Time Remaining: 16d 7h 56m Buy It Now for only: $125.00 |
 NEW PHD SLIDE AND CYLINDER TS04 1x2 E N R2 TS04 1x2 E N R2 H $60.00 Time Remaining: 6d 10h 4m |
 4 SMC MAGNETIC REED SENSORS D B51 $7.99 Time Remaining: 3d 16h 30m Buy It Now for only: $7.99 |
 MILLER 715 SRL2 MOV6 SET OF 2 $15.00 Time Remaining: 25d 15h 49m Buy It Now for only: $15.00 |
 SMC PNEUMATIC CYLINDER WITH SENSORS 5 STROKE NCDMC150 0500 C73CL $44.50 Time Remaining: 4d 11h 19m Buy It Now for only: $44.50 |
 Bimba Ultran USS 015 BT Rodless Cylinder Pneumatic Air Linear Slide Actuator $65.00 Time Remaining: 15d 3h 44m Buy It Now for only: $65.00 |
 Compact Air GC2118X118 Pneumatic Lift Table Linear Actuator Guided Rod Cylinder $20.00 Time Remaining: 15d 3h 44m Buy It Now for only: $20.00 |
 SMC PNEUMATIC AIR CYLINDER 12 STROKE HEAVY DUTY NCDA1B400 1200 $99.50 Time Remaining: 4d 10h 21m Buy It Now for only: $99.50 |
 Kuhnke 37290100 Pneumatic Cylinder $9.99 Time Remaining: 26d 12h 20m Buy It Now for only: $9.99 |
 New Bimba Pneumatic Cylinder 625 Stroke CM 046625 $20.00 Time Remaining: 15d 6h 38m Buy It Now for only: $20.00 |
 SMC CDMB106 0100 B54L Air Cylinder $30.00 Time Remaining: 1d 21h 24m Buy It Now for only: $30.00 |
 FABCO AIR B 221 X PANCAKE CYLINDER 1 8 STROKE DOUBLE ACTING USED $22.50 Time Remaining: 11d 11h 18m Buy It Now for only: $22.50 |
 SMC Pneumatic Cylinder NCDRB80 90L NIB NCRBOF15 $125.00 Time Remaining: 22d 9h 3m Buy It Now for only: $125.00 |
 NUMATICS PNEUMATIC LINEAR CYLINDER TA566306 43 STROKE6 $23.00 Time Remaining: 29d 7h 11m Buy It Now for only: $23.00 |
 SMC CXSM10 70 Pneumatic Cylinder dual rod dbl act+Mounting Plate for slider $9.00 Time Remaining: 19h 3m Buy It Now for only: $15.00 |
 SMC Compact Guide Cylinder Pneumatic Actuator MGCMB32 $103.99 Time Remaining: 1d 13h Buy It Now for only: $103.99 |
 2 American Cylinder 750DN 400 3 Spring Mount Acrylic Based Mounts $24.95 Time Remaining: 17d 15h 33m Buy It Now for only: $24.95 |
 BIMBA PNEUMATIC AIR CYLINDER D 55141 A 5 TJ NEW $10.00 Time Remaining: 29d 10h 45m Buy It Now for only: $10.00 |
 Bimba MRS 041 DZ Double Acting Pneumatic Air Cylinder Actuator $20.00 Time Remaining: 15d 3h 44m Buy It Now for only: $20.00 |
 Festo DGO 40 475 PPV A B Linear Drive Unit Rodless Cylinder $275.00 Time Remaining: 22d 8h 24m Buy It Now for only: $275.00 |
 ARO VALVE TWO SYSTEM AIR PNEUMATIC CONTROL PEDALS $59.00 Time Remaining: 17d 10h 9m Buy It Now for only: $59.00 |
 BIMBA SR 1762 DP PNEUMATIC CYLINDER 2 STROKE NEW UNOPENED $18.00 Time Remaining: 19d 5h 46m Buy It Now for only: $18.00 |
 SMC NCDGNN63 0200 Air Cylinder 2 1 2 Bore Auto SW $50.00 Time Remaining: 1d 21h 27m Buy It Now for only: $50.00 |
 Festo DGO 20 375 PPV A B Linear Drive Unit $80.00 Time Remaining: 22d 12h 46m Buy It Now for only: $80.00 |
 Festo 36162 SMB 2 B Mounting Kit New in Packaging $2.99 Time Remaining: 12d 15h 35m Buy It Now for only: $2.99 |
 SMC COMPACT PNEUMATIC CYLINDER NCDQ2B20 15D $3.99 Time Remaining: 10d 12h 55m Buy It Now for only: $3.99 |
 SMC CDUK10 10D COMPACT Pneumatic Cylinder non rot dbl act10mm strk +fittings $9.00 Time Remaining: 2d 19h 19m Buy It Now for only: $19.00 |
 Schrader Bellows Pneumatic Cylinder LOT of 5 75DSR060 NEW $49.99 Time Remaining: 18d 14h 42m Buy It Now for only: $49.99 |
 D Z73 100mA 10W 2 Wired Magnetic Reed Switch for Air Pneumatic Cylinder $6.39 Time Remaining: 26d 11h 51m Buy It Now for only: $6.39 |
 New Compact Air Pneumatic Guided Cylinder ABFH34X114 $15.00 Time Remaining: 29d 9h 1m Buy It Now for only: $15.00 |
 AIR GUIDE CYLINDER 50MM BORE X 150MM STROKE HVY DUTY $189.99 Time Remaining: 9d 15h 6m Buy It Now for only: $189.99 |
 COMPACT AIR ANGULAR 2 JAW AIR GRIPPER RG202 2 $49.90 Time Remaining: 6d 16h 48m Buy It Now for only: $49.90 |
 SMC AIR CYLINDER HIGH SPEED AUTOMATION 25MM X 590MM WITH SWITCHES $99.99 Time Remaining: 16d 15h 26m Buy It Now for only: $99.99 |
 Illinois Pneumatics Rolling Diaphragm Air Cylinder SINGLE ACTING CYLINDER 150psi $110.00 Time Remaining: 15d 15h 36m Buy It Now for only: $110.00 |
 SMC Pneumatic Rodless Cylinder 13 Stroke NCY2B10H 1339 $32.23 Time Remaining: 11d 10h 32m Buy It Now for only: $32.23 |
 SMC D M9PL LONG D M9P AUTO SWITCH AUTOSWITCH for AIR PNEUMATIC CYLINDER NE $25.00 Time Remaining: 24d 10h 41m Buy It Now for only: $25.00 |
 SMC Pneumatic Cylinder NCDGCN25 0600 $20.00 Time Remaining: 8d 8h 40m Buy It Now for only: $20.00 |
 SMC PNEUMATIC CYLINDER NCDA1B200 0300 LINEAR STROKE 30 $42.00 Time Remaining: 20d 8h 29m Buy It Now for only: $42.00 |
 APOLLO BVA 3 ACTUATOR 125 MAXIUM PSI PIECE OF HISTORY FREE SHIPPING $54.95 Time Remaining: 14d 6h 44m Buy It Now for only: $54.95 |
 CAMOZZI SERIES 31 PNEUMATIC CYLINDER $3.00 Time Remaining: 3d 8h 25m |
 4 Each SMC NCDMB075 1200C G59LS Pneumatic Cylinder $49.95 Time Remaining: 20d 10h 25m Buy It Now for only: $49.95 |
 AIR CYLINDER HIGH SPEED AUTOMATION 32MM X 633MM SMC $99.99 Time Remaining: 22d 13h 39m Buy It Now for only: $99.99 |
 New Compact Air Pneumatic 90 Twist Cylinder TCL12X20 $15.00 Time Remaining: 29d 9h 15m Buy It Now for only: $15.00 |
 Robohand DLT 12 L B 3 Pneumatic Cylinder Linear Slide Thruster Stage $81.99 Time Remaining: 17d 12h 40m Buy It Now for only: $81.99 |
 Parker Pneumatic Air Cylinder LOT of 5 150DSR050 NEW $99.99 Time Remaining: 18d 14h 41m Buy It Now for only: $99.99 |
 SMC CXSWL32 20 Y7BWZ Actuator BallBearing Linear Thruster 32mm bore 20mm stroke $175.00 Time Remaining: 13d 8h 33m Buy It Now for only: $175.00 |
 SMC CDA1T 80 300 Pneumatic Cylinder Bore 80mm Stroke 300mm $123.75 Time Remaining: 17d 7h 54m Buy It Now for only: $123.75 |
 BIMBA PNEUMATIC CYLINDER LT 316 DM LINEAR STROKE 60 $24.50 Time Remaining: 23d 10h 53m Buy It Now for only: $24.50 |
 PHD Tom Thumb A3VF11 A3VF11 8X1X3 8 D Pneumatic AIR Cylinder Reed SwitCH 17522 $40.00 Time Remaining: 15d 11h 35m Buy It Now for only: $40.00 |
 SMC MGPM50 150 Pneumatic Slide 150mm Stroke $212.50 Time Remaining: 17d 9h 28m Buy It Now for only: $212.50 |
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 CAMOZZI SERIES 31 PNEUMATIC CYLINDER $3.00 Time Remaining: 3d 8h 25m |
 SMC Pneumatic Magnet Cylinder NCY2B6H 0600 Lot of 3 NEW $40.00 Time Remaining: 3d 13h 34m Buy It Now for only: $40.00 |
 SMC Pneumatic Cylinder MGPM20 150 $80.47 Time Remaining: 7d 12h 8m Buy It Now for only: $80.47 |
 PHD Pneumatic Guided Cylinder ML 219690 $129.99 Time Remaining: 9h 36m Buy It Now for only: $129.99 |
 SMC Pneumatic Magnet Cylinder NCY2B6H 0600 $15.99 Time Remaining: 8d 12h 22m Buy It Now for only: $15.99 |
 5pcs CS1 F Red LED Pneumatic Cylinder Magnetic Sensor Switch $20.00 Time Remaining: 20d 19h 29m Buy It Now for only: $20.00 |
 SMC EMGQM 32 50 Pneumatic Air Slide Bearing Cylinder $43.99 Time Remaining: 19d 13h 21m Buy It Now for only: $43.99 |
 ORIGA RODLESS MOUNTED AIR SLIDE 16 P124 S 25X16 BM $99.00 Time Remaining: 6d 16h 54m Buy It Now for only: $99.00 |
 Bimba 044 DXDE 042 DXDE 5 DXDE 5 DPBY 502 DXP MRS 501 DXDEX FOD 3110 Cylinders $200.00 Time Remaining: 14d 9h 41m Buy It Now for only: $200.00 |
 FABCO AIR G7X ORIGINAL SERIES PANCAKE CYCLINDER DOUBLE ACTING 4BORE STROKE3 4 $40.00 Time Remaining: 1d 5h 8m Buy It Now for only: $40.00 |
 BIMBA 121 DP NEW PNEUMATIC CYLINDER $12.00 Time Remaining: 3d 9h 18m Buy It Now for only: $12.00 |
 Pneumatic Air Cylinder Magnetic Reed Switch Sensor w 18m Lead Cable $6.50 Time Remaining: 24d 21h 8m Buy It Now for only: $6.50 |
 TRD MFG PNEUMATIC AIR CYLINDER TA MS2 150X12 STROKE 12 $55.50 Time Remaining: 5d 9h 17m Buy It Now for only: $55.50 |
 CAMOZZI SERIES 31 PNEUMATIC CYLINDER $3.00 Time Remaining: 3d 8h 26m |
 SMC PNEUMATIC CYLINDER NCDA1D150 0500 LINEAR STROKE 50 $42.00 Time Remaining: 20d 8h 35m Buy It Now for only: $42.00 |
 BIMBA PNEUMATIC CYLINDER M 064 DXP4 LINEAR STROKE 40 $21.50 Time Remaining: 23d 11h 29m Buy It Now for only: $21.50 |
 Dainippon M File No 80B SSNOZZLE with CXSL10 45 Y59A $188.00 Time Remaining: 5d 15h Buy It Now for only: $188.00 |
 Red LED Indicator 2 Led Pneumatic Air Cylinder Magnetic Reed Switch $7.46 Time Remaining: 16d 23h 26m Buy It Now for only: $7.46 |
 ALLEN AIR TYPE A NT 1 1 2 BORE 6 STROKE PNEUMATIC CYLINDER $39.99 Time Remaining: 10d 10h 17m Buy It Now for only: $39.99 |
 TOL O MATIC BC225 PNEUMATIC RODLESS CYLINDER NNB $225.56 Time Remaining: 7d 11h 33m Buy It Now for only: $225.56 |
 Schrader Bellows Pneumatic Air Cylinder LOT of 10 125DXPSR010 NEW $99.99 Time Remaining: 20d 14h 41m Buy It Now for only: $99.99 |
 PHD PNEUMATIC CYLINDER MODEL AF 3 4 X 1 1 2 01937321 03 $20.00 Time Remaining: 6d 7h 24m Buy It Now for only: $20.00 |
 CHICAGO CONTROLS PNEUMATIC LINEAR CYLINDER DA 2216 STROKE 25 $45.00 Time Remaining: 1d 7h 13m Buy It Now for only: $45.00 |
 SCHRADER BELLOWS PNEUMATIC LINEAR CYLINDER FW2A108421 STROKE 10 $49.00 Time Remaining: 11h 7m Buy It Now for only: $49.00 |
 BIMBA PNEUMATIC AIR CYLINDER LOT OF 15 0405 HNR STROKE 050 $134.50 Time Remaining: 9d 11h 50m Buy It Now for only: $134.50 |
 2 NEW BIMBA STAINLESS STEEL PNEUMATIC AIR CYLINDERS 0071 R S5 3 103 $9.99 Time Remaining: 4d 19h 34m |
 NEW Warner Electric Electrak 1 Linear Actuator SP24 17A8 02 24VDC 75 lb Load $199.99 Time Remaining: 28d 9h 51m Buy It Now for only: $199.99 |
 PARKER 0112NLP92000 PNEUMATIC CYLINDER 112 BORE 20 STROKE NEW $45.00 Time Remaining: 17d 6h 45m Buy It Now for only: $45.00 |
 SMC CSXM10 10 Pneumatic Guided Cylinder $15.00 Time Remaining: 10d 5h 55m Buy It Now for only: $15.00 |
 Clippard Minimatic UDR 48 6 M Cylinder 3 x 6 Double Acting Magnetic Piston $99.99 Time Remaining: 18d 16h 35m Buy It Now for only: $99.99 |
 Clippard Minimatic SDD 48 6 M Cylinder 3 x 6 Double Acting Magnetic Piston $129.99 Time Remaining: 18d 16h 40m Buy It Now for only: $129.99 |
 Lot 2 Spring Lift Corp Pneumatic Arm Cylinder SL 10 20 $27.00 Time Remaining: 26d 10h 16m Buy It Now for only: $27.00 |
 SMC CKP1A63 125Y P74 376S Pneumatic Cylinder 63mm Bore 125mm Stroke $244.50 Time Remaining: 17d 7h 38m Buy It Now for only: $244.50 |
 BIMBA 171 DP 25mm Pneumatic Cylinder $10.00 Time Remaining: 24d 1h 41m Buy It Now for only: $10.00 |
 Pneumatic Air Cylinder Magnetic Reed Switch Sensor w 18m Lead Cable $6.51 Time Remaining: 20d 18h 12m Buy It Now for only: $6.51 |
 SMC CM2C32 15 AIR PNEUMATIC CYLINDER DOUBLE ACTING SINGLE ROD 145 PSI CM2 $20.00 Time Remaining: 28d 8h 39m Buy It Now for only: $20.00 |
 Destaco 82L4G 203B7000 Pneumatic Clamping Cylinder $250.00 Time Remaining: 22d 22h 3m Buy It Now for only: $250.00 |
Pneumatic Cylinder
Northstar engine series - pneumatic cylinders - Auto Doors
Development and features
The Northstar's design was initiated as a response to the advanced dual overhead cam V8 engines introduced by European and Japanese competitors of Cadillac in the late 1980s. At that time, Cadillac was using the aluminum HT Overhead Valve (OHV) V8 which had been pushed hastily into production after the failure of the V8-6-4 of 1981.
Cadillac was developing new models like the Allant and updated Eldorado and Seville STS which they hoped would compete against the best from BMW, Mercedes-Benz, Lexus, and Infiniti. They developed a laundry list of items that must be included in these new models, including sophisticated steering, braking, and suspension technologies, which became known as the Northstar System. One key element was a high-tech V8 engine with all of the features and performance of the competitors' offerings.
The "Northstar" V8, as it was then known, was an evolution of the Lotus-designed Chevrolet LT5 all-aluminum DOHC 32-valve V8 used in the Corvette ZR-1. Archrival Ford Motor Company was developing a similar engine at that time as well, and Ford's Modular engine would precede the Northstar into production with its introduction on the 1991 Lincoln Town Car. Both continue in production at 4.6 L of displacement.
Capable of producing 300 hp (224 kW) out of its 4565 cc displacement, the Northstar featured a cast aluminum 90 V8 block with 102 mm (4 in) bore spacing split into unitary upper and lower halves. The lower crankcase assembly supported the crankshaft without conventional main bearing caps. An oil manifold plate with an integrated silicon gasket forms the oil gallery under this. A typical oil change used 7.58 quarts of oil.
Cast-iron cylinder liners were specified and the forged aluminum pistons included valve clearance. Northstar is an interference engine, with bronze pin bushings and free-floating piston pins used.
Cast aluminum cylinder heads were used featuring 4 valves per cylinder. The heads used dual overhead cams which are driven through the "maintenance-free" cam-drive chain case. The cams act directly on hydraulic lifters on the ends of the valves and are fed with a lubrication passage drilled through the cylinder head lengthwise. The intake valves are inclined at 25, while the exhaust valves are canted to 7 with center-mounted platinum-tipped spark plugs. The cam covers are magnesium for light weight.
Eight thermoplastic tubes were used in the induction system, leading to sequential fuel injection. The engine used a distributorless ignition system with a waste spark setup. The PCM controls spark and fuel injection timing as well as the shift points for the new 4T80-E transmission.
One notable feature, advertised at the time, was the "limp home" fail-safe mode which allowed the engine to continue running for a limited time without any coolant. Supplying fuel to only one cylinder bank in turn, the engine would "air cool" the inactive bank. This technique, combined with its all-aluminum construction and large oil capacity, allows the engine to maintain safe temperatures, allowing a Northstar-equipped car to be driven with no coolant for about 100 mi (161 km) without damage.
Another unusual feature of some Northstar-equipped cars is a liquid-cooled alternator used on Cadillac's Seville, DeVille, and Eldorado. The liquid-cooling helped prolong the life of the alternator in these electronic-laden models, though GM reverted to a traditional air-cooled setup for 2001 to eliminate potential leak points and extraneous tubing.
All engines of this family share the same Northstar bellhousing pattern.
Later developments included direct coil-on-plug ignition, and variable valve timing, which can vary intake by up to 40 and the exhaust by up to 50. VVT was devised for the longitudinal LH2 version, and has not, to date, been used on the transverse front wheel drive engines due to packaging considerations. Northstar series
The engine was introduced in mid-1992 in the 1993 Cadillac Allant and continues to be used in most Cadillac models. The original Northstar Allant also introduced the Northstar System which included traction control, adaptive suspension, and antilock brakes. Early Northstar required premium grade gasoline to run safely.
The Northstar was sold exclusively by Cadillac for over a decade before being introduced in the 2004 Pontiac Bonneville and 2006 Buick Lucerne. However, the 4.0L L47 V8 variant was used in the Oldsmobile Aurora and the 3.5L LX5 V6 in the Oldsmobile Intrigue. The engine received a forged steel crankshaft in October 2003. Cadillac had planned to introduce a V12 Northstar this decade, likely for use in the Escalade, but economics and new CAFE standards have killed this idea.
Most Northstar engines produce 275 hp (205 kW) to 315 hp (235 kW). The engines were revised for 2000 with coil-on-plug ignition and roller follower valvegear for improved fuel economy and reduced emissions. Though power output did not change, this update eliminated the need for premium fuel.
All but the supercharged Northstar displace 4.6 L (279 cu in) with a 93 mm (3.7 in) bore and 84 mm (3.3 in) stroke. For better head gasket sealing between cylinders, the supercharged version is de-bored to 91 mm (3.6 in) for a total displacement of 4.4 L (266 cu in) . The block is said[who?] to be capable of expansion up to 5.4 L, though no such engine has been produced.
The Northstar was on the Ward's 10 Best Engines list for 1995, 1996, and 1997.
The Northstar System was Cadillac's trademarked name for a package of automobile performance features. Introduced in mid 1992 on the 1993 Cadillac Allant and later on that year's Seville and Eldorado, the Northstar name continues in use to this day.
The Northstar System included the following components:
L37 high-output 300 hp (224 kW) and 295 ftlbf (400 Nm)
LD8 high-torque 275 hp (205 kW) and 300 ftlbf (407 Nm)
GM 4T80-E 4-speed automatic transmission
Road Sensing Suspension
RSS was available in both standard and CV-RSS (continuously-variable) systems. It monitored damping rates of the shock absorbers every 15 milliseconds, selecting between two settings.
4-wheel disc brakes with Bosch antilock brakes
Magnasteer speed-variable power steering
Magnasteer combines conventional hydraulic power steering and magnetized "doughnuts" mounted around the output shaft, which stiffen the steering as vehicle speed increases.
The latest versions of the Northstar engine include the 4.6L 320 hp (239 kW) and 315 lbft (427 Nm) LH2 which began in 2004, and supercharged 4.4L 469 hp (350 kW) LC3 created for the STS-V which are detailed below.
General Motors employed a continuously variable system for the Cadillac Northstar System, VVT (Variable Valve Timing). The Northstar VVT provides a continuously variable system throughout the RPM range, increasing fuel economy. GM engines use the double overhead cam, varying both intake and exhaust for better performance. L37
The L37 (VIN "9") was the original Northstar. It is tuned for responsiveness and power, while the later LD8 is designed for more sedate use. The L37 code has been used on all high-output transverse Northstars, even as the exact engine specifications evolved. Its displacement is 4600cc flat the compression ratio for the L37 is 10:1, shared with the LD8.
The original L37 was specified at 290 hp (216 kW), but 1993 production examples were rated at 295 hp (220 kW). The engine topped out at 300 hp (224 kW) from 1996 through 2004 on the STS, DTS and ETC models, making these some of the most powerful domestic front wheel drive cars ever built, the most powerful title still belonging to the 1970 Cadillac Eldorado 500 cu in (8.2 L) with 400 hp (298 kW) (although the latter's rating is in the older SAE gross horsepower system, figured without accessories or muffler, where the current engine outputs are as-installed, net ratings). For 2005 the high output Northstar became Northstar NHP, and was downrated to 290 horsepower (220 kW) under the new SAE certified horsepower rating system. In 2006, the updated DTS "Performance Package" model got a slight bump to 292 hp (218 kW). Vehicles using the L37 include:
Year
Model
Power
Torque
1993
Cadillac Allant
295 hp (220 kW) @ 5600 rpm
290 lbft (393 Nm) @ 4400 rpm
1993-1994
Cadillac Eldorado ETC
295 hp (220 kW) @ 5600 rpm
290 lbft (393 Nm) @ 4400 rpm
19952002
Cadillac Eldorado ETC
300 hp (224 kW) @ 6000 rpm
295 lbft (400 Nm) @ 4400 rpm
1993
Cadillac Seville STS
295 hp (220 kW) @ 5600 rpm
290 lbft (393 Nm) @ 4400 rpm
19942004
Cadillac Seville STS
300 hp (224 kW) @ 6000 rpm
295 lbft (400 Nm) @ 4400 rpm
19962004
Cadillac DeVille Concours/DTS
300 hp (224 kW) @ 6000 rpm
295 lbft (400 Nm) @ 4400 rpm
2005
Cadillac DeVille DTS
290 hp (216 kW) @ 5600 rpm
285 lbft (386 Nm) @ 4400 rpm
2006resent
Cadillac DTS Performance
292 hp (218 kW) @ 6300 rpm
288 lbft (390 Nm) @ 4500 rpm
2008-present
Buick Lucerne Super
292 hp (218 kW) @ 6300 rpm
288 lbft (390 Nm) @ 4500 rpm LD8
The LD8 (VIN "Y") is a transverse V8 for front-wheel drive cars. Introduced in 1994, it is designed to provide more torque than the high-revving L37. The LD8 code has been used on all torque-tuned transverse Northstars, even as the exact engine specifications evolved. Compression ratio is 10:1.
The 1998 revision is quieter than previous Northstar engines, due to hydraulic engine mounts, and performs better due to a tuned intake system.
Most LD8 Northstars are rated at 275 hp (205 kW) and 300 lbft (407 Nm).
Year
Model
Power
Torque
1994
Cadillac Eldorado
270 hp (201 kW)
300 lbft (407 Nm)
19952001
Cadillac Eldorado
275 hp (205 kW) @ 5750 rpm
300 lbft (407 Nm)
2002
Cadillac Eldorado
275 hp (205 kW) @ 5600 rpm
300 lbft (407 Nm) @ 4000 rpm
1994
Cadillac Seville SLS
270 hp (201 kW)
300 lbft (407 Nm)
19952001
Cadillac Seville SLS
275 hp (205 kW)
300 lbft (407 Nm)
20022004
Cadillac Seville SLS
275 hp (205 kW)
300 lbft (407 Nm)
1994
Cadillac DeVille Concours
270 hp (201 kW)
300 lbft (407 Nm)
1995
Cadillac DeVille Concours
275 hp (205 kW) @ 5750 rpm
300 lbft (407 Nm)
19962001
Cadillac DeVille
275 hp (205 kW) @ 5750 rpm
300 lbft (407 Nm) @ 4000 rpm
20022005
Cadillac DeVille
275 hp (205 kW) @ 5600 rpm
300 lbft (407 Nm) @ 4000 rpm
2006resent
Cadillac DTS
275 hp (205 kW) @ 6000 rpm
295 lbft (400 Nm) @ 4400 rpm
20042005
Pontiac Bonneville GXP
275 hp (205 kW) @ 5600 rpm
300 lbft (407 Nm) @ 4000 rpm
20062007
Buick Lucerne CXS
275 hp (205 kW) @ 6000 rpm
295 lbft (400 Nm) @ 4400 rpm LH2
The Northstar was designed originally for transverse front-wheel drive applications. It was modified substantially in 2004 for longitudinal rear- and all-wheel drive use in the SRX and XLR, as well as receiving continuously variable valve timing on both intake and exhaust sides. The RWD (LH2) Northstar produces 320 hp (239 kW) and 315 lbft (427 Nm). An increased compression ratio of 10.5:1 enables most of the increase in power from the L37 and LD8 Northstars.
Year
Model
Power
Torque
20042009
Cadillac SRX
320 hp (239 kW) @ 6400 rpm
315 lbft (427 Nm) @ 4400 rpm
20042009
Cadillac XLR
320 hp (239 kW) @ 6400 rpm
310 lbft (420 Nm) @ 4400 rpm
2004resent
Cadillac STS
320 hp (239 kW) @ 6400 rpm
315 lbft (427 Nm) @ 4400 rpm Supercharged LC3
A 4.4 L (266 cu in) supercharged Northstar is used in the 2006 Cadillac STS-V and Cadillac XLR-V. The bore was reduced for increased strength and improved head gasket sealing. Variable valve timing is used on both the intake and exhaust sides. The STS-V engine produces 469 hp (350 kW) at 6400 rpm and 439 lbft (595 Nm) at 3900 rpm with 9:1 compression and the XLR-V engine produces 443 hp (330 kW) at 6400 rpm and 414 lbft (561 Nm) at 3900 rpm.
Year
Model
Power
Torque
20062009
Cadillac STS-V
469 hp (350 kW) @ 6400 rpm
439 lbft (595 Nm) @ 3900 rpm
20062009
Cadillac XLR-V
443 hp (330 kW) @ 6400 rpm
414 lbft (561 Nm) @ 3900 rpm L47
A L47 inside an Aurora's engine bay
The L47 Aurora engine was a special V8 designed for the Oldsmobile Aurora, based on the Northstar engine. It is a DOHC 3,995 cc (3.995 L; 243.8 cu in) V8 which produced 250 horsepower (186 kW) and 260 ftlb (353 Nm) of torque. The bore is 87 mm (3.4 in) and the stroke is 84 mm (3.3 in). The L47 has a 10.3:1 compression ratio and uses premium fuel.
An early version or prototype of this engine was used in the 2nd generation Oldsmobile Aerotech.
Although most of the Northstar's features, including the coolant loss system, remained intact, the decreased bore increased weight unacceptably. To reduce it, Oldsmobile used a one-piece glass-filled thermoplastic intake manifold and simplified AC Rochester sequential fuel injection. A new die-cast structural aluminum oil pan incorporated baffling to reduce oil starvation in hard driving. A starter interlock prevents the starter from engaging if the quiet L47 is already running.
A highly modified 650 hp (485 kW) version of this engine was used by General Motors racing division initially for Indy Racing League competition starting in 1995, then was later used in the Cadillac Northstar LMP program in 2000. Both engines retained the 4.0 L capacity, but the Northstar LMP version was twin-turbocharged.
The Aurora was also used in the Shelby Series 1 car.
The Aurora engine was introduced in 1994 for the 1995 model year, and General Motors has not used this engine since the demise of the marque in 2004.
Year
Model
Power
Torque
19952003
Oldsmobile Aurora
250 hp (186 kW) @ 5600 rpm
260 lbft (353 Nm) @ 4400 rpm LX5 (Shortstar)
A "Shortstar" LX5 inside an Intrigue's engine bay
The LX5 V6 is a DOHC engine from Oldsmobile, introduced in 1999 with the Oldsmobile Intrigue. It was produced by the Premium engine group at GM and was thus called the Premium V6, or PV6, while it was being developed. It is based on the L47 Aurora V8, which is itself based on the Northstar engine, so engineers called it the Short North, though Oldsmobile fans have taken to calling it the Shortstar.
It is not a simple cut-down V8. Although it has a 90 vee-angle like the Northstar and Aurora, the engine block was engineered from scratch, so bore centers are different. It has chain-driven dual overhead cams and 4 valves per cylinder, but is an even-firing design with a split-pin crankshaft similar to the modern GM 3800 engines. The LX5 displaced 3,473 cc (3.473 L; 211.9 cu in) and produced 215 hp (160 kW) @ 5,600 rpm and 230 ftlb (312 Nm) @ 4,400 rpm. Bore is 89.5 mm (3.52 in) and stroke is 92 mm (3.6 in). Compression ratio is 9.3:1.
The cost of building this engine was high, and it was not used in many vehicles. It was said at the time that a family of premium V6s would follow, with displacements ranging from 3.3 L to 3.7 L, but only the LX5 was ever produced.
The LX5 was entirely different from any other V6 in the GM inventory - the only other DOHC V6 engines offered by GM were the Chevrolet Twin Dual Cam produced from 1991-1997 and the Cadillac/Holden HFV6 available from 2004 to the present day. These three designs are completely unrelated and oddly enough leave two gaps in 1998 and 2003 where no DOHC V6 was available from GM. This contrasts starkly with competitors practices of evolving engineering over multiple, continuously improving designs.
As with the Aurora V8, production stopped with the demise of Oldsmobile.
Year
Model
Power
Torque
19992002
Oldsmobile Intrigue
215 hp (160 kW) @ 5600 rpm
230 lbft (312 Nm) @ 4400 rpm
20012002
Oldsmobile Aurora
215 hp (160 kW) @ 5600 rpm
230 lbft (312 Nm) @ 4400 rpm
The 3.5L LX5 was on the Ward's 10 Best Engines list for 1999 and 2000. See also
GM 60-degree DOHC V6 engine
GM High Feature engine
Cadillac V8 engine
GM Ultra Engine
List of GM engines Notes
^ http://74.125.47.132/search?q=cache:6nj6yREp_4wJ:www.ehow.com/facts_5467367_northstar-engine-information.html+LT5+northstar&cd=10&hl=en&ct=clnk&gl=us
^ Weitzman, Larry (2001).The Aurora by Oldsmobile (2001), Better in every respect. Autochannel. Retrieved on June 28, 2009. References
Frank Markus. "1993 Technical Highlights". Car and Driver (October 1992): 5960.
"Technical Highlights". Car and Driver (October 1993): 115.
Joel D. Pietrangelo. "Northstar is heart of Allante re-do for '93 - V-8 engine, General Motors' Cadillac Motor Car Div.'s new model roadster". Ward's Auto World (February 1992). External links
Northstar engine - official website
Technical article from AutoSpeed
Ward's article
GM Premium V Performance Discussion Forums Categories: Cadillac engines | GM engines | Automotive technology tradenamesHidden categories: All articles with specifically-marked weasel-worded phrases | Articles with specifically-marked weasel-worded phrases from September 2008
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Difference between Pneumatic and Hydraulic?
What is the fundamental difference between a pneumatic cylinder and a hydraulic cylinder? I know it has something to do with air.
Also, I know how to work out the PSI and pushing, pulling force on a double acting hydraulic cylinder, how do you work it out on a pneumatic double acting cylinder?
Pneumatic - air
Hydraulic - liquid
http://en.wikipedia.org/wiki/Pneumatic_cylinder
http://www.angelfire.com/ia3/jrtdogbone/pneumatic.htm
http://www.engineeringtoolbox.com/pneumatic-cylinder-force-d_1273.html
Pneumatic Valves - Pneumatic Cylinders
