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Engineering/Technical Ask technical questions about cars. Do you know how a car engine works? |
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02-27-2003, 03:27 PM | #61 | ||
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02-27-2003, 03:28 PM | #62 | ||
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02-28-2003, 12:32 PM | #63 | ||
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this maybe the case on some systems the im on about has no cams therefore no valve bounce hence higher rpm
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02-28-2003, 02:25 PM | #64 | ||
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Simply removing the pressure acting on the valves won't make them open, you have to direct force in the opposite direction. And you can still have valve bounce/float without using conventional springs.
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03-03-2003, 07:49 AM | #65 | |
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no link i cant find any info on the net about it
But i will tell u the new engines are using springs to open the valve and gas to close them I was under the impression that valve bouce was the point in time when the acctuator of the valve lost contact with the cam lobe in which case an engine with no cam has no valve bounce i maybe wrong but thats what the impression im under is
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03-03-2003, 08:17 AM | #66 | |
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Mid Longitudally mounted
DOHC: Quad Cams Cylinder Options: --72 Degree V10 --60 Degree V12 --Flat 10 or 12 (Advantages and Disadvantages? Look this up) VTEC or 3D Cams Fuel Injection w/ Performance ECU Ceramic Coated Cylinder Head Optional Forced Inductionleave room for)Supercharger vs Twin Superchargers vs Twin Turbos 6-8 liter (Target BHP = 775 BHP, Min = 625, Max = 1000) Dry-Sump Lubrication; Fully Synthetic Oil w/ Mixed Boric Acid & Suspended Molybdenum Disulfide Particles, etc. 4 valve Induction: --Air Filter: foam or oiled cotton ( placed in area of direct airflow) --Intake Tubing: Ceramic-lined/coated hydroformed aluminum --Intercooler (2): Aluminum tube/fin (if using forced induction) --Hotwire air sensor --Intake Manifold: Hydroformed aluminum OR magnesium --Runners: Welded hydroformed intake runners, possibly telescoping
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03-03-2003, 05:51 PM | #67 | ||
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03-03-2003, 08:14 PM | #68 | ||||
Pretty much amazing
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What is the reliablility going to be like for the engine? I see the Performance ECU and a lot fo other items that coudl be risking the engine's term. How often do you expetc the car to be serviced? Although I have little expertise, I'd say reliabilty woudl be a big thing considering this is a fairly isolated model and if ever built, servicing would be difficult.
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03-04-2003, 07:44 PM | #69 | ||
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03-05-2003, 05:27 AM | #70 | |
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Updated stats....
Engine: Mid Longitudally mounted DOHC: Quad Cams Cylinder Options: ---72 Degree V10 3D Cams Fuel Injection w/ Performance ECU (relaibility?) Keronite (notes below) Forced Induction Arrangment(Road Version): 6.5-8 litre Twin Superchargers, 750-950bhp Natural Induction Arrangment(Race Version): 6-7 liter, 625-725bhp Dry-Sump Lubrication; Fully Synthetic Oil w/ Mixed Boric Acid & Suspended Molybdenum Disulfide Particles, etc. 4 valve Induction: Air Filter: foam or oiled cotton ( placed in area of direct airflow) Intake Tubing: Ceramic-lined/coated hydroformed aluminum Intercooler (2): Aluminum tube/fin (if using forced induction) Hotwire air sensor Intake Manifold: Hydroformed aluminum OR magnesium Runners: Welded hydroformed intake runners, possibly telescoping Drive Train: RWD (leave room for AWD, but unlikely) electrohydraulically-actuated manual transmission Gear Box: short six speed Titanium flywheel /w CF-reinforced SiC friction plate Center-sprung titanium clutch /w friction material Titanium carbonitrided maraging steel gears Carbon fiber drive/halfshafts Well, I've been working in my new version for 3 days now. Some of you may be disappointed by this news. There is going to be no version 5. Boohoo..go cry now. Well, Version 5 was so different from version 4, I decided that it was a different super-car. I'll just say most of you should like it a ton better. I'm trying to finish it in under a week (Imagine that...a whole car design conceptualized and 3D modeled in under a week). Well, the new car...ummm...no name yet.....so I'll use my classic designation protocol "ZX-3000." I was wanting to name my ZX-1000 "Panther" (something will use that name). The ZX-2000 was the "Predator." The ZX-3000 needs something cooler. Well, lets see how long it takes me to think of a name. 7:12 A.M. on Wednesday right now and I'm about ready to fall asleep.
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03-05-2003, 05:43 AM | #71 | |
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Assault. I wrote down liek 30 words as fast as I could. Took me a total of 9 minutes to pick the name, but I think I wrote it down about 3 minutes into the process.
So, my current idea is that he car will be called the "Phantom Assault", or the "Assault". Well, while this works great, I'm trying to think of somethign better. Think a sneaky attack, or stealth, or infultration. Since my company name is Phantom, Phantom Assault works fine....but if anyone thinks of anytign better along these lines, feel free to share. I'll see how ridiculous this sounds in the morning.
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03-05-2003, 12:20 PM | #72 | |
H4X0R T0 T3H M4X0R
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how 'bout advance, charge, incursion, invasion, offensive, onset, onslaught, storm, strike, violation, blitz, raider, strafe, eclipse, executor, blade, spektr, wraith, bober, devastator, destroyer, outrider, infiltrator, darktide.
but my opinion is that you should either creat your own word. or use a group of words to create an acronym that forms a word. (i just watched star wars again so STAP comes to mind Single Trooper Aerial Platform. that of course is just an example.) -GTi-VR6_A3
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03-05-2003, 02:11 PM | #73 | |
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I can see you like the tehesarus 9I think)
My list: Ghost, Predator, Stealth, Attack, Strike, Assault, Pounce, Incursion, Invasion, Infiltration, Spy, Imaginary, Suppress, Sneak, Defiance, Penetrate, Hunter, Storm, Wind, Shock, Electricity, Venom, Slice, Wrath, Annihilate, Demolish, War, Doom, Summon, Wound, Splendor, Aura, Inferno, Fire, Implosion, Vengeance, Sword, Crossbow, Blade, Mystery, Enigma, Cloak, Code, Rouge, Mace, Dragon, Prism, Crystal, Gem, Projectile, Missile, Portal, Frost, Spell, Spider, Paralyze, Invincible Ones I like most: Assault, Inferno So will it be the "Phantom Assault" or "Phantom Inferno" Phantom Inferno has a more complete sense than Phantom Assault, but I can't tell if inferno would sound stupid.
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03-05-2003, 02:35 PM | #74 | |
H4X0R T0 T3H M4X0R
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i still really think you should try ot invent your own name or acronym. it would do you much better. variety is the spice of life
-GTi-VR6_A3
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03-06-2003, 03:30 PM | #75 | |
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Öhlins shockabsorbers and push rods. www.ohlins.com
Engine, an older F1 engine. 3 or 3,5 litre V10 or V12. Strengthen the construction and replace the pneumatic valvesprings with tradiotional ones (this is a must if the engine does not have an internal air supply pump). Reduce maximum RPM to say 12000 rpm and add two turbochargers (with speedsensors). Fit it with a modern electronic management system from TAG or Magneti Marelli. Carbon-carbon on exhaust manifolds and turbinehouses. Light weight, small, high power output and quit good reliability. www.tagelectronics.co.uk www.magnetimarelli.com NEVER use hotwire on an engine of this type... SPEED DENSITY is the word. Gearbox, Xtrac or Hewland six speed transverse transaxle sequential gearbox with built in differential. www.xtrac.com www.hewland.com Electrohydraulic acutated carbon-carbon clutch is a must... but expensive, around $10,000. Brakes, ceramic for low weight. Carbon-carbon on the race version. ABS with an on/off switch. Radiators in the front. One diffuser in the front and one rear. A big wing shoukd also be used. This wing should be placed so it helps the rear diffusor creating vacuum. The rear end of the car should also not be "cut off", give it a longer tail (look at the later version of McLaren F1). Oil, normal synthetic oil like Mobil 1. No antifoam addetives are probably needed. Airfilterbox in carbon fibre, with oiled cotton filter or glassfibre filter. Air-air intercoolers and tubing, plenum and runners in carbon fibre or high strength aluminium. The engine is mounted in titanium mounts in the carbonfibre chassi. The rear suspension is mounted on the gearbox. Cr-Mo tubing from chassi to somewhere between gearbox and engine to give extra strength. ECU that controls the chassi. Connected with engine ECU and a lagger and a digital LCD dash. |
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