Informative videos

[Twisted Steel Performance]

I have had a few requests to make informative videos so here are a couple.

First video we show how we square decks and cut o-ring groves.

Second video we show the balancing process for crankshafts after all other parts of the assembly are balanced.

 

[SnowDrift]

Is the lathe speed limited to 800 RPM?

 

[Twisted Steel Performance]

The crank machine, no, but spinning faster doesn't give different results. I'll post the printouts of the specs that show the first spin vs final spin for the 2 I did that day, it tells a much better story than I can on why balancing is so important.

 

[Twisted Steel Performance]

Here are spec sheets for 2 cranks. Left means rear right means front of the crank. Look at the rpm & force column, that is the force put on main bearings & webs. The 3K rpm is about the max these cranks will see so that pertains mostly ....