sa-fabrication
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| posted on 2/6/12 at 08:34 AM |
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front or rear engine?
Hi all,
I am building my own custom design chassis, and I can't make my mind up as to what engine and where.
I am thinking of mounting a bike engine in the rear, providing the power direct to the wheels. But so far I have built the chassis to take the engine
in the front.
Swings and roundabouts, bike engines are built for bikes, and if its in the rear it will probably make the car wheely.
What's your thoughts.
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MakeEverything
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| posted on 2/6/12 at 08:38 AM |
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I think you need to go to Newark in a couple of weeks and have a look at those already around. Just because they are bike engines, doesnt mean it
will make a car wheelie.
Kindest Regards,
Richard.
...You can make it foolProof, but youll never make it Idiot Proof!...
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MikeRJ
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| posted on 2/6/12 at 08:53 AM |
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quote:
Originally posted by sa-fabrication
Swings and roundabouts, bike engines are built for bikes, and if its in the rear it will probably make the car wheely.
Why would a bike engine at the rear make it wheelie, but a car engine at the rear would not? Notice the location of a bike engine in a bike...closer
to the front than the rear but they can still wheelie. Weight distribution, wheelbase and height of COG will determine whether something is prone to
wheelies, not the donor vehicle.
There are numerous successful mid-rear engined cars that either use bike or car engines such as the Sylva Mojo, Sylva RIOT/J16, Sylva J15, MEV Sonic
7, MK middy, the "Blitz" buggies, GTM Libra, GT40 replicas etc.
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iank
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| posted on 2/6/12 at 08:54 AM |
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Not to mention the ASBO http://www.locostbuilders.co.uk/forum/52/viewthread.php?tid=170854
--
Never argue with an idiot. They drag you down to their level, then beat you with experience.
Anonymous
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sa-fabrication
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| posted on 2/6/12 at 09:14 AM |
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I never said that it wouldn't wheely with a car engine in the rear.
I am going to Newark in a few weeks, hopefully with my trade stand.
I have been looking around again thismorning and I think I am going to put the bike engine in the rear. I will try and post some pics later.
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maccmike
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| posted on 2/6/12 at 10:33 AM |
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Surely it wont be rear engined? It'll handle like poo.
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sa-fabrication
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| posted on 2/6/12 at 10:52 AM |
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quote:
Originally posted by maccmike
Surely it wont be rear engined? It'll handle like poo.
Well that's what my worries were, so I thought I would start this thread to see what other peoples thoughts and experiences are.
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twybrow
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| posted on 2/6/12 at 10:59 AM |
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No offence, but if you need to come on here, to ask whether you should put your engine in the front, or the back, then I would think you need to do
some more reading! By rear engine, I assume you actually mean mid-engined? Ie just behind the seats, but well ahead of the rear axle....?
If your chassis is built for front engined, I think you would be foolish to try and re-engineer it to mid-engine - I would start with a middy instead!
Just my 2p worth!
Good luck with your build.
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maccmike
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| posted on 2/6/12 at 11:00 AM |
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either front or midengined. Unless you got millions and porsche contacts I wouldnt do that. You want the weight inbetween the axles. Let us know what
you decide
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b14wrc
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| posted on 6/6/12 at 11:26 AM |
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Hi there sa-fabrication,
Where are you based? Welcome to come and have a look at mine sometime if your near cumbria??
I had similar ideas to you and built my own chassis design around the standard locost putting my transverse drive train in the back. The 20v turbo is
canted farward and means its COG is going to be about 500 - 600mm in front of the axle, meaning mid engined.
Have a look at the work i have done, you might get some ideas.
quote "But so far I have built the chassis to take the engine in the front."
I have to agree with some of the other comments though, if you have already built your chassis to take an engine in the front, you might as well carry
on as intended..... Its going to look a bit funny being as long as a standard locost and then a big section at the back also....just my opinion. My
car retains almost the same wheel base as the standard locost but the front is a lot shorter.
A lot of work went into redesigning and developing to put the engine in the back. 2 years on and still not started it in steel yet! LOL.
Rob
20vt powered rear engined locost
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