Hi all,
I recently had an aluminum sample tested for composition and tensile strength. The composition looked close to 7050, but just slightly off. The tensile was much higher than I expected or am aware of how to achieve. This was a tube more or less (image attached).
How do you...
My question is regarding reliably transmitting torsion via a shaft in a safety critical application. It seems like composites are often kept out of such scenarios where there is no redundancy and safety is critical of the component. I want to know of some scenarios where they are used like...
Given a simple 4th order quarter car model where you have the sprung and un-sprung mass and no tire damping I'm trying to develop a useful and robust way of specifying damping rates.
My present path is to use a bode plot of tire spring deflection (power output from tire spring might be useful...
Hello all,
Im putting together a simulation and will need some values of the moments of inertia about each axis. My thoughts were that a BMW 3 series, Ford mustang and a wrx may have a similar radius of gyration about the longitudinal axis (call this the x-axis). A corvette, 911, F430...
Most equations for chassis design involve the tires cornering stiffness which is zero at its peak lateral force for a given condition. Just looking in Miliken this zeros out a lot of values if you were designing a neutral car that in theory all tires reached the limit at the same time or if you...
Ive got a free body diagram set up, but Ive confused myself into balancing it out a few different ways if you can believe it. Im trying to determine the lateral loads on the internal bushings under a load by applying a torque at the lower ball joint. Basically I am trying to get a ballpark...
This is fairly common among auto crossers and some road racers to improve on center steering response for turn in at the expense of braking stability usually. I dont understand how toe OUT up front improves on center response, it seems counter intuative. Unless drag forces from inside tire are...
Ive got a debate going over an idea i had about the possibility of torsional resonance or oscillations with in a tosion spring. The current use of the torsion spring is about 20" long and .5" diameter with a .035" wall thickness. At each end is an leverage arm that recieves an input of often...
I was curious if there was a simple way to analyse a chopped fiber random orientation composite. Can it be analysed nearly correct as an isotropic material? Idea being to make a with a chopped carbon epoxy paste and squeeze it into a mold.
Is this only useful in the linear range of the tire? It is a function of cornering stiffness which is the derivative of the lat force vs slip angle curve.. which is zero at the lat force peak. I have heard of Milliken suggesting that in some cases oversteer at high speed and not at low speed...
I am curious if a hexagonal, honeycomb, cellular structure has anything in the way of stiffness or strength over a square cell structure in out of plane compression and shear. Say a similar thickness sheet made of similar thickness cell walls with a similar mass per unit area...?
I do not understand this concept physically. Susprog3d and optimum G website both suggest that the scrub radius and mech trail change with steering angle. and I am incredibly confused as to how this happens. Can someone elaborate as to what is going on?
