macnab
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| posted on 19/1/07 at 03:03 PM |
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Would this work?
just my worthless 0.000001p's worth
Of course there’s a middy discussion going on just now. But I thought you could do this – fit a standard fwd engine and gearbox fitted 90 degs from
norm, one drive output locked on the gearbox. The other going via an angled propshaft to a diff (say a sierra item). His this been done before?
And yes I’m waiting on the computer again, can you tell?
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iank
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| posted on 19/1/07 at 03:08 PM |
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Yes the sporting trials guys do this all the time.
It gives you a super low ratio for climbing 45 degree muddy banks...
Probably not what you are looking for unfortunately.
Edit: bugger came second again (must tell the missus  )
[Edited on 19/1/07 by iank]
--
Never argue with an idiot. They drag you down to their level, then beat you with experience.
Anonymous
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stevec
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| posted on 19/1/07 at 03:09 PM |
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I think one problem will be having two lots of final reduction, 1 in the front wheel drive box and 1 in the rear diff,
Steve.
[Edited on 19/1/07 by stevec]
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macnab
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| posted on 19/1/07 at 03:09 PM |
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hmm I was not sure of the ratio at the wheels. Pity
though I thought the output shaft from the diff would double it's rpm when the other is locked...
Going back to lego car days there!
[Edited on 19/1/07 by macnab]
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goodall
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| posted on 19/1/07 at 03:35 PM |
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also since the diff planet-gears arnt designed to constantly turn at high rpm they would were out eventually
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macnab
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| posted on 19/1/07 at 03:43 PM |
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That’s a good point since the planetary gears are meant to only turn a small amount when going round corners and certainly not at double the rpm that
the diff was suppose to run. So really this is a rubbish idea, oh no not another...sigh
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Aboardman
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| posted on 19/1/07 at 03:53 PM |
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why not just just use a vw passet engine which is inline and is front wheel drive?
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macnab
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| posted on 19/1/07 at 03:56 PM |
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Is it?!
didn't know that. I was pondering about the new mk single seater. Don't really fancy a bike engine, as the traffic in Aberdeen is awful
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goodall
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| posted on 19/1/07 at 04:12 PM |
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you could weld the diff solid and remove the other driveshaft stub and plug the hole into the diff housing that means that u dont have to bolt one
side solid to the gearbox and you dont have the problem of the planet gears turning since theyd be welded and then theres the problem of ratio, that
could be over come by flipping the diff welding a sprocket of the smallest diameter to the smaller side and replacing the pinion gear with a sprocket
of the largest diameter that will fit and then driving it by a chain
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goodall
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| posted on 19/1/07 at 04:14 PM |
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personally i might do this myself but wont weld the diff i will instead go for awd for better handling on poor surfaces like the local roads 
[Edited on 19/1/07 by goodall]
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mark chandler
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| posted on 19/1/07 at 05:16 PM |
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Seen a few 4x4 racers with this, drive shafts to each axle, only problem is max speed around 75 which is just not enough !
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novacaine
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| posted on 19/1/07 at 08:15 PM |
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quote:
Originally posted by Aboardman
why not just just use a vw passet engine which is inline and is front wheel drive?
so are pretty much all of the 2wd audi's
And you run and you run to catch up with the sun but its sinking, Racing around to come up behind you again, the sun is the same in a relative way but
your older, shorter of breath and one day closer to death
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macnab
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| posted on 19/1/07 at 08:45 PM |
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new it was a great idea!! he he
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goodall
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| posted on 19/1/07 at 08:55 PM |
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only major set back of this idea to get around finding a rwd gearbox is you still have to find a diff, that said you can buy freelander diffs new so
maybe it is a way forward
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