dholder

In the helicopter world, .2 ips (point 2) is just in acceptable range. Point1 is very attainable on even the main rotor, which may weigh a couple hundred pounds. The video showed you in the .3 or .4 range. Is that correct or did I miss something? I would not consider .3 acceptable. David

Methylated spirits according to wikipedia. Not dangerous at all if used with common sense. It is not so highly volatile.

I do this all the time. I fill a squirt bottle that squirts a stream, like a plastic Leak-Tek bottle, with denatured alcohol. With the engine running at idle, squirt each intake connection. The engine rpm will change noticeably if there is a leak. Takes only a minute to do.