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Post by daveisom1 on Mar 6, 2013 13:42:42 GMT
Hi All Does anyone have any ideas or experience on steering wheel size. I presume due to cars light weight the steering is quite light so a smaller wheel than the Fiesta one will be fine. I have been thinking of between 300mm and 350mm but as they are rather expensive I don't want to purchase only to find not suitable. Cheers Dave
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Post by Paul (madeye) on Mar 6, 2013 14:04:03 GMT
i have a 300 for iva then a 270 farringdon for real life
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Post by roadtrackrace on Mar 6, 2013 16:41:44 GMT
300mm or 320mm is perfect in a Tr1ke.
RTR
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Post by slugshot on Mar 6, 2013 17:33:05 GMT
Mine is a 300mm wheel, I wouldn't want any bigger as my elbows would hit the side rails.
The steering has a great feel, its not heavy to turn even at walking speed, you could go smaller still and it would be manageable.
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Post by erik on Mar 6, 2013 20:38:01 GMT
IMO it depends if you are track or road orientated. I feel RTR is track orientated. For track one prefers small wheels for least inertia and a short rack might be possible and a smaller steering wheel as well. With a bigger wheel the inertia will be much bigger. If one choses a short rack and small steering wheel the leverage might be to big for comfort. It may even cost a lot of force to corner at high speed. For road use I did chose 17" wheels (turned out to be 7.5kg for my aloys), no short rack and standard wheel diameter for maximum comfort. An other thing to take in mind is the steering wheel is too far away in stock version and one needs to steer with stretched arms. You may reconsider an additional hub or deep dish steering wheel. Like Kevin noted the stock steering wheel gets close to the side chasis tube which spoils comfort as well.You will notice the steering wheel is about 5cm off centre to the drivers seat which is a lot along with the pedals being placed to the centre. at least, for the drivers seat on the left side in the car. The steering column being too far away ,not in centre of the drivers seat and pedals, the steering column needing to be shortened in the linkages to make it functional is widley accepted and can be seen on several threads. However, I did not accept the need to shorten the steering column linkage and being in need for a deep dish steering wheel or additional (collapsable) hub to make my arms angled in a comfortable way. The downside of this is the indicator lever on the steering column are placed very far forward to the steering wheel as a result. I grinded off the steering wheel bracked, placed it backwards and in centre of the drivers seat. I only needed to shorten the steering rod on top of the linkage by 10mm and weld a nut above the linkage to eliminate free play to work like a charm. if I were to build one again I would remove the horizontal tube right behind the dash which really ruins simple removal of the bonnet when gauges are placed in the dash. because of this I placed my gauges on top of the bonnet and the R1 dash to the dash surface and placed the braking oil warning light in the steering column and the r1 key switch and warning light switch in the tunnel. I would weld a straight tube on the chasis instead and the steering column bracket on top of it which creates all space to install gauges without needing to remove them when removing the bonnet. the tube would be visible which is good because this unsharpens the lower edge of the dash area and you could easely weld a bracket for ignition key or other items if desired. Don't modify the steering column until you are happy with the steering wheel location. Have a read in my building thread how I fixed this. There are several good details regarding pedal leverage mods and other hints as well which could have been incorperated in the original design. mevowners.proboards.com/index.cgi?board=tr1ke&action=display&thread=2141&page=3br, Erik
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Post by edwinwl on Mar 6, 2013 21:17:26 GMT
My experience: My steering wheel has 35cm diameter and is also raised in total of 14cm closer to the driver.
35cm is fine but as Kevin suggested, when doing some fast steering my elbow touches the frame of the car.
So I agree with the advise of RTR: 30 to 32cm is perfect.
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