Recent content by Emellish

This is not an existing current risk which has been resolved with a valid working tether used as a backup to a self propelled machine that is successfully being driven down ramps under its own power. I am trying to improve the tether---should on the unlikely off chance it be needed--- by...

It's a problem of reducing an abrupt shock load as an 850 kg runaway machine trundles down ramps, and comes to an abrupt halt at the end of its tether fixed to a van's tow hitch. Ramps fixed to the van's rear door sill incline at 20 degrees to ground level and their length is 2.5 metres. I...

I am a practical guy with an electro-mechanical background. I have always been on the nuts and bolts installation/fitting end. I do not have a design background with only a trade high school education, and have been away from mathematical problem solving for so long (I'm 72 and still working)...