Ftwelder Posted April 21, 2020 Report Share Posted April 21, 2020 (edited) My apologies for posting in the wrong sub-forum but this crowd typically will know most about the BSA unit single and it's application in trials. I am building up a B25 motor/modded B44 frame with old Bultaco suspension and wheels. I am ready to make my skid and have a few questions based on zero trials but other technical knowledge. Thinking 5mm/3/16 plate which ill heat treat to T6 after welding. Do I need to extend beyond the frame rails? I weld aluminum daily and was uythinking keeping the skid narrow and patching the covers when/if they get damaged. Will I need a spare in my tool box? How much case contact are you making? i would like to add I removed the studs and plan to use socket heads for slightly more clearance Thanks much Untitled by barnstormerbikes, on Flickr Edited April 22, 2020 by Ftwelder Added info 1 Quote Link to comment Share on other sites More sharing options...
feetupfun Posted April 22, 2020 Report Share Posted April 22, 2020 3 hours ago, Ftwelder said: How much case contact are you making? Less than one casing repair per year now, but I'm careful now compared to when I was a kid 2 Quote Link to comment Share on other sites More sharing options...
b40rt Posted April 22, 2020 Report Share Posted April 22, 2020 I'd rather loose a mark by grounding a wide sump guard, than not finish a trial having damaged my ignition / gears. It really depends on what sort of terrain your competing in. 1 Quote Link to comment Share on other sites More sharing options...
Ftwelder Posted April 22, 2020 Author Report Share Posted April 22, 2020 (edited) On 4/22/2020 at 2:49 AM, b40rt said: I'd rather loose a mark by grounding a wide sump guard, than not finish a trial having damaged my ignition / gears. It really depends on what sort of terrain your competing in. That makes perfect sense. It's rocky/muddy here with no established trials lines/low trials skill level so i should start with "plenty". Thanks again gents! Untitled by barnstormerbikes, on Flickr Edited April 24, 2020 by Ftwelder add image 1 Quote Link to comment Share on other sites More sharing options...
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