Bolts onto crankcase, con rod must fit into top hat at BDC. Pump it up to 20psi. Crankshaft oil seals need to be in place, also engine sprocket or blanking plug.
Yep, just an old plate with a bolt brazed to it
I bought this one
These you buy from the auto jumbleHole punches so that you can make nice neat gaskets
Bit of chain with a brace tube brazed to end
Variable speed washing machine motor driving an electronic ignition grafted into home-made magneto housing. Variable speed from 400W domestic light dimmer switch, motor runs 100rpm to 10,000 rpm. Drive coupling is just gaffer tape, supposed to break if anything seizes.
Rolling road dynamometer, saves wasted hours at track side, but without proper computer tracking it is difficult to properly gauge mid-range. One of many projects .......