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Author: Subject: reverse gear on output shaft
nick9one1

posted on 16/7/19 at 07:55 PM Reply With Quote
reverse gear on output shaft

Due to my build being rear engined and RWD, I have no space for a reverse gear on the main driveshaft - The diff is bolted directly to the engine.

Would there be any harm in having the reverse drive powering one of the driveshafts directly?

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russbost

posted on 17/7/19 at 07:08 AM Reply With Quote
Can't see any reason why it would present a problem, I've driven a few vehicles over the years with just one rear wheel being driven instead of both, it doesn't feel very much different, so for reverse to satisfy IVA should be fine





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minitici

posted on 17/7/19 at 07:35 AM Reply With Quote
Gearing may be a problem as you will not have the reduction of the differential if you fit a gear directly to the drive shaft.
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russbost

posted on 17/7/19 at 07:49 AM Reply With Quote
Reverse on the Furore (& other chain driven cars) is after the diff reduction, ie direct to the "axle", whether it drives one shaft or both isn't going to make any difference. It does require a fair diameter of driven gear, but I'm only using a standard Toyota starter motor to drive it





Furore Formula Car - the only two seater modern Formula Car lookalike. I no longer run Furore Products or Furore Cars Ltd, but would still highly recommend them for Acewell dashes, projector headlights, dominator headlights, indicators, mirrors etc, best prices in the UK! Take a look at http://www.furoreproducts.co.uk/ or find more parts on Ebay, user names furoreltd & furoreproducts, discounts available for LCB users.
Don't forget Stainless Steel Braided brake hoses, made to your exact requirements in any of around 16 colours. http://shop.ebay.co.uk/furoreproducts/m.html?_dmd=1&_ipg=50&_sop=12&_rdc=1

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minitici

posted on 17/7/19 at 01:26 PM Reply With Quote
quote:
Originally posted by russbost
Reverse on the Furore (& other chain driven cars) is after the diff reduction, ie direct to the "axle", whether it drives one shaft or both isn't going to make any difference. It does require a fair diameter of driven gear, but I'm only using a standard Toyota starter motor to drive it


OP sounds like he is driving into a conventional differential - would be best if he could fit a gear onto the input flange of the differential.

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nick9one1

posted on 17/7/19 at 01:51 PM Reply With Quote
I'm using a zzr1100 engine and a freelander diff.

Unfortunately, there is no room at all between the diff and engine.




[Edited on 17/7/19 by nick9one1]

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Dingz

posted on 17/7/19 at 04:01 PM Reply With Quote
How about one of those caravan movers rubbing on a back wheel, would that be allowed? If you had room.





Phoned the local ramblers club today, but the bloke who answered just
went on and on.

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russbost

posted on 17/7/19 at 04:13 PM Reply With Quote
quote:
Originally posted by minitici
quote:
Originally posted by russbost
Reverse on the Furore (& other chain driven cars) is after the diff reduction, ie direct to the "axle", whether it drives one shaft or both isn't going to make any difference. It does require a fair diameter of driven gear, but I'm only using a standard Toyota starter motor to drive it


OP sounds like he is driving into a conventional differential - would be best if he could fit a gear onto the input flange of the differential.


Doesn't matter how he's driving the diff, my point was that driving just one shaft isn't a problem, I only gave the example of the chain drive diff as they have no reduction with the reverse sprocket directly on the axle





Furore Formula Car - the only two seater modern Formula Car lookalike. I no longer run Furore Products or Furore Cars Ltd, but would still highly recommend them for Acewell dashes, projector headlights, dominator headlights, indicators, mirrors etc, best prices in the UK! Take a look at http://www.furoreproducts.co.uk/ or find more parts on Ebay, user names furoreltd & furoreproducts, discounts available for LCB users.
Don't forget Stainless Steel Braided brake hoses, made to your exact requirements in any of around 16 colours. http://shop.ebay.co.uk/furoreproducts/m.html?_dmd=1&_ipg=50&_sop=12&_rdc=1

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nick9one1

posted on 18/7/19 at 02:31 PM Reply With Quote
thanks for the replies.

I'll go ahead with the single driveshaft driven reverse.

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nick9one1

posted on 18/7/19 at 02:31 PM Reply With Quote
thanks for the replies.

I'll go ahead with the single driveshaft driven reverse.

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