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Showing posts from May, 2023

SR30 Jet Engine Test Rig

having some working understanding of a jet engine, i came across an odd looking piece of kit out in the rain (really in the rain!). Being the way i am questions needed to be asked. Hell "jet engine in the rain" what is going on ? A little enquiry and some negotiations saw the thing in the back of my van, obviously that is where it should have been kept :) Knowing there is an issue with it (good working stuff rarely comes for free) i have been breaking down the electrical system and drying out the controls.. First thing is its an American design 120v AC, all they seem to have done for the UK market is drop in a large transformer allowing 230v connection. ok that seems fine, Next Oil pump, Fuel Pump, Vales, sensors etc While poking around i could not leave the control box unopened so out it comes for a quick check. The rain seems not to have got in so lucky there, the Processor block (seems to be an ATmega12816Au)  very similar to my Arduino APU project  After all the checks an