The steel arms are 8 cm long from mounting to the wheel, and they are 2mm*20mm, i hope i can keep the weight about 30 kilo-Remember i will use brushless motores, weighing under 200 grams each, but make about 750 watt, and 4S lipo batteries, only about 0.5 kilo pr 5A-That mens only 2 kilo batteries for a total of 20 A-The only heawy thing in my tank are the belt-All steel and will end up at 12 kilo, and the gear, made with chains and spocket weight about 1,5 kilo, rest of tank are all wood. Den tirsdag den 12. februar 2013 21.06.27 UTC+1 skrev [email protected]: > > In a message dated 2/12/2013 2:03:50 P.M. Eastern Standard Time, > [email protected] <javascript:> writes: > > Its my first tank, and i also dont no if they are stromg enough-But they > are made of steel, and if they dont hold, i will weld some more steel to > them :-) > > what is the size of the steel arms? > > what do you think the weight of the finished tank will be (not including > tracks)? > > from what i have seen in the past, the guys find the total weight of the > vehicle, then divide that by the number of suspension arms. i think from > there they triple (3x's) the weight - taking that number and looking for a > spring that has a spring rate max that matches that, this way as your > traveling down the road and start to run over things, the springs can > handle that extra force now being needed > > ? - tank weight total > divided by > ? suspension arms > x 3 > = max spring rate per spring/suspension arm > > (does that sound about guys or should that have been 4x?) > > Chris >
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