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Only the tracks off the ground!! Of course, didn't think of that. To clarify things, My tiger is mostly 1/4 plywood, sides and aft of the hull. Bottom is . 125 2024 T3 alum. I'll reinforce areas with it. The top deck is 1/4 high density board, nice and flat, also carves nice with the dremal. The base of the tarot is 1/4 density board and the rest is 1/4 plywood. Turning on an 8 in. ring bearing from a helicopter transmission, smooth. There will be plenty of epoxy. The tracks are REX REXNORD stainless table top conveyor chain,4in.wide. I'll have to get the track and gears on the scale and start figuring out a good guessamite on the total weight. The road wheels will be 6 in. Haven't decided weather to buy or make, yet. So happens I work with sheetmetal and composites in my job all the time. Good for when you need the big tools. If anyone has a good idea on how much weight is too much wieght,for 1/4 chain and sprockets turning 1/2 driveshafts please let me know, thanks
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