The 11/16", and 3/16" silver steel bars arrived and they're a perfect fit. I removed the remnants of the broken pin that secures the gear to the crankshaft and spent the afternoon trying to figure out how the turbine shaft marries up with the crankshaft. I need to drill a hole into the cra...

I've ordered a 11/16" silver steel bar for the crankshaft, and a 3/16" silver steel bar for the replacement pin. I'm doing a good bit of guessing. If anyone has one of these sirens I'd like to know the length of the crank shaft and anything else you think would help.

Thanks.

Hello all. Today I collected a Secomak 447 for the sum of £168. I knew it would be a project beforehand so I can't grumble too much, however, the crank shaft is missing. I'm hoping someone could possibly give me the dimensions of the shaft, or perhaps some images, any information would be appreciate...