my thoughts exactly Jason , so will 1 inch bar be thick enough ?? Neil R
On Oct 27, 10:29 pm, Jason R Schafer <[email protected]> wrote: > torsion bar diameter and scale are not linearly related. maximum shear > stress due to torsion = (applied torque*maximum radius of bar) / polar area > moment of inertia of the cross section > > polar area moment of inertia for a circular cross section = (pi * > diameter^4) / 32 > > maximum shear stress due to torsion should be less than (0.577 * the yield > strength of the material) if you want the torsion bar to work without taking > a set > > the angular deflection (in radians) due to the applied torque = (applied > torque * length of bar) / (polar area moment of inertia of the cross section > * shear modulus) > > > > > > > > On Wed, Oct 27, 2010 at 2:46 PM, neroc <[email protected]> wrote: > > I`ve started my new tank , I`ve now got a basic hull and and gosh its > > big ,Im out at scrap yards looking for steel tomorrow , im wondering > > what diameter bar my tension axle will need to be , is it a case of > > double the scale = double the diameter ? > > im aiming for 1 inch mild steel rod, but I`ll have to see what I can > > find. if anyone thinks other wise please let me know . > > And if anyone knows of any 8No 10 inch wheels going give me a nod. > > > Neil R > > > -- > > You are currently subscribed to the "R/C Tank Combat" group. > > To post a message, send email to [email protected] > > To unsubscribe, send email to [email protected] > > Visit the group athttp://groups.google.com/group/rctankcombat -- You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to [email protected] To unsubscribe, send email to [email protected] Visit the group at http://groups.google.com/group/rctankcombat
