slngsht Posted July 9, 2010 Share Posted July 9, 2010 what is yours? I just bolted on a 14" wheel to try... wow! power steering :rofl: Link to comment Share on other sites More sharing options...
MHKflyer52 Posted July 9, 2010 Share Posted July 9, 2010 Thirteen inches in Diameter. Originally had a fifteen inch steering wheel but getting in and out was near impossible. Amazing how two inches makes such a difference. Link to comment Share on other sites More sharing options...
mebrahimi Posted July 9, 2010 Share Posted July 9, 2010 Thirteen inches in Diameter. Originally had a fifteen inch steering wheel but getting in and out was near impossible. Amazing how two inches makes such a difference. must... resist... smartass... comment Link to comment Share on other sites More sharing options...
JohnCh Posted July 9, 2010 Share Posted July 9, 2010 270mm, which is about 10-5/8". -John Link to comment Share on other sites More sharing options...
Usher Posted July 9, 2010 Share Posted July 9, 2010 Mine is 12" Link to comment Share on other sites More sharing options...
lancylad Posted July 9, 2010 Share Posted July 9, 2010 No need to Brag............. Link to comment Share on other sites More sharing options...
slngsht Posted July 9, 2010 Author Share Posted July 9, 2010 270mm, which is about 10-5/8". -John I had an 11" dia wheel John. Way too small given the gravitational challenges of my car. It was OK on the road, and in the garage (on smooth concrete), but very stiff at parking speed. Also, at autox I think it hurt my ability to make quick moves... Link to comment Share on other sites More sharing options...
Al N. Posted July 9, 2010 Share Posted July 9, 2010 It will be interesting for me to compare the miniscule leather wrapped wheel I had on the Superlight (I think it was 9.5 inches across) to the period correct 15" wooden wheel that is being fitted to SB1341. Link to comment Share on other sites More sharing options...
snookwheel Posted July 9, 2010 Share Posted July 9, 2010 I had an 11" dia wheel John. Way too small given the gravitational challenges of my car. It was OK on the road, and in the garage (on smooth concrete), but very stiff at parking speed. Also, at autox I think it hurt my ability to make quick moves... That is why I added power steering. What a difference!! Especially for AutoX. It's electric-Hydraulic (EHPS), so I can switch it on or off. Makes it easy to move it around the driveway if I don't want to start it. Scot Link to comment Share on other sites More sharing options...
slngsht Posted July 10, 2010 Author Share Posted July 10, 2010 Scott, I have power steering sitting in the garage, but figured I'd give the bigger wheel a try first. Link to comment Share on other sites More sharing options...
slomove Posted July 10, 2010 Share Posted July 10, 2010 I changed from the 13" stock Birkin wheel to an 11" wheel. Later I got 30% shorter steering arms for even quicker steering. Obviously that requires higher steering force,but not really bad. Even my wife did not complain about it. However, steering straight need more attention. A tiny bit of movement while looking at the scenery gets you easily into the ditch. That said, have not tried auto cross and would not know if that is more difficult with the shorter leverage. Link to comment Share on other sites More sharing options...
JohnK Posted July 10, 2010 Share Posted July 10, 2010 When I was looking for a rack for my car (to get rid of bump steer) I ran into an outfit that sells quality R&Ps mostly to circle track racers, but also makes some lighter units suitable for sports cars (MC, MRC and MR). Their on-line catalog is the best and clearest source of information on steering that I've ever seen. The logic offered was that very quick steering is really valuable in that it allows you to toss you car around. But the cost is that steering effort goes up as a result, and it's hard to apply steering finesse when you have to exert a lot of force. There are things you can do to lessen the force required, like reducing caster, ... but it involves a lot of on-going setup work. With power assisted steering powered by a power steering pump designed for racing, all the problems go away. I bought into that logic and installed one of their units (MR) in my car and fitted the P/S pump they researched and recommended (KRC). Found out subsequently that Mosler and Saleen use the same unit in their race cars. I have no ties of any kind with the mfg involved, which is Woodward Precision Power Steering (woodwardsteering.com). The stuff they sell is amazingly well-designed and well-manufactured. The owner must be one hellofa mechanical engineer. Link to comment Share on other sites More sharing options...
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