Gergely
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| posted on 12/4/06 at 01:46 PM |
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Which engine to go for for ease of installing?
Hi, I am planning to build a BEC Locost type car. It seems to me after reading the different topics on engine that although there might be differences
of price between the engine prices itself (Blade vs Hayabusa for example), the biggest difference is the extras required for the larger engines (dry
sump, etc.)
My question No. 1 is: Suppose that I could get any bike engine for the same price (or roughly similar), which one (ones) would I be able to install
without too much extra costs and headaches? It seems to me that Blades and R1s are the most practical from this point of view. Is that right? Or are
there any other engines with possibly more power but the same ease of installing?
Question No. 2 would be: Is it any more complicated to build a BEC Locost with left hand drive? Did anyone have experience? In most cases the exhaust
is on the left hand side, would this mean bad weight distribution with me on the same side?
Thanks for all answers!
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wildchild
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| posted on 12/4/06 at 02:05 PM |
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Question 1: It depends how much you are going to do yourself. As a complete DIY job they would probably be all much the same, but if you are
planning on buying in stuff like engine cradles, etc then the more common engines (blade, R1) would be easier and cheaper to source the bits.
Question 2: Almost all modern bikes have a chain on the left hand side. This means that when turned through 90deg to fit in a car, the cylinders,
crank, etc are all offset to the left (to line up the gearbox output shaft with the tunnel). So in a LHD car I imagine your steering column would
want to go through the engine! I'm fairly sure people have overcome this though. There are a few engines with chains on the right, but they
are quite rare, and you'd find the output shaft was spinning the wrong way for your differential.
Disclaimer: I am at a fairly early stage in my build, so the above is just my intuitive thoughts as an engineer rather than the experience of
building loads of BECs.
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smart51
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| posted on 12/4/06 at 03:18 PM |
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my carbed R1 engine was really easy to install. Engine cradle, a few bolts, sprocket adapter. easy. I had fun getting the wiring to work but now
that I know what to do, that is easy as well.
R1 sump baffles are made by several people and that is all you need. no sump chopping or dry sumping required.
You just have to get the carbs set up for your new filter and exhaust and a good rolling road company will do that for you.
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JoaoCaldeira
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| posted on 12/4/06 at 05:06 PM |
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I'm almost in the process of installing the engine (2003 R1) in my LHD MNR chassis. I can take a few pics when that happens.
The steering column is slightly redirect to the left in order to have a clear pass.
In the end engine and driver will be in the same side 
MNR already made a few LHD kits for BECS so you may check with them...
Joao
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ChrisGamlin
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| posted on 12/4/06 at 05:20 PM |
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IN a LHD the R1 might have an advantage over most other engines because its a very upright / narrow engine which may leave you more space down the
side of the chassis to run the steering column than most others.
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