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Wheelies and fire go together in my mind. Is that wrong? I recently created a flame-pipe mod for my original Wild Willy GigaM38 build (here: http://www.tamiyaclub.com/forum/index.php?showtopic=77628&page=4) ... and I had a blast running it until I wiped out pretty hard and trashed some vintage parts. I first got the idea from my son's Razor scooter that has a brake with embedded flint made to throw sparks. Neat effect. So, I picked up some little flint tips like you'd use to light a propane torch. You can buy them in 5 packs and they have a threaded end. After my M38 wipe-out, I thought it might be more cost-effective to make a Flame Pipe mod for the newer WW2 chassis. This way I can run the spark-thrower harder on concrete without worry about crashing the vintage rig. I designed a new wheelie bar in FreeCAD to mount the tips and the prototype came in from Shapeways today. I have small tweak or two I'd like to make, but I'm pretty happy with the prototype: Next to the stock wheelie bar for comparison. The prototype is printed in "polished metallic plastic" and will get painted black. Screw mounts through the opposite side and catches the spark tips. Different angle... Back mounting-flange detail. I installed the tips with a small 2.5MM X 22 screw. The new wheelie bar mounted up to the back of the rig just right. Let's go make some sparks! Light show time! As always, my video work could use some help. I shot the maiden run with my iPhone in the dark. Please enjoy the pyrotechnics... Go Willy, Go!