Quote:
Originally Posted by DaveyB
Thanks for the reply, do you think it will be ok to weld some additional 50 mm tubing to the bottom of the roll bar to archive some extra height without ruining the integrity of the roll bar from its original form?
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Personally I wouldn't. The roll bar is there to help protect your bonce. IMO, if the welding is ever so slightly off, you've introduced a potential fatigue point if the worst was to happen.
WRT rear stays, I would incorporate some into the design. If you look at any functional roll cage (be it in a sevenesque or saloon car) you have a pair of functional stays.
Yes, you could theoretically have a single hoop rollbar. However, it would have to be substantial to be of as much use IMO.