Arksey(at)aol.com
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 Posted: Mon Aug 06, 2007 7:18 pm Post subject: 503 rotax engine problem report. (Jim Swan) |
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Hello gang,
I reported a couple of weeks back the trouble I had with the 503 rotax on my firestar ll running irregular on take off, like it was not getting enough gas. Well I test flew it for about 30 min. this even. And it ran just like it should. I replaced the pulse fuel pump,filter, installed a electric fuel pump and put in a 3 amp battery, also replaced the plug wires. I done away with the primer bulb and plumbed everthing in series. It started very well using the elec. Pump to fill the carb. Bowls, I gave it a couple of shots of primer and it started the 1st pull, took off with elec fuel pump to 1,000 feet then shut off elect. Plane ran fine on pulse pump after about 30 min. I saw Rick Nielson with his kolb mk lll powered with a volkswagon engine landing at my strip so I came in to visit with him. His mk lll performs very well with the volkswagon, he gets off in a short distance and climbs well, sounds good also.Rick only lives about 15 miles from me so we often land at each others strips. I have a bit of problem with my battery, it was hot and must have been over charged. I am using a key west regulator and I guess I will contact them and see what I got wrong. Will do some more flying in the morning. Oh yes I also pulled the exhaust system and checking the pistons and rings, they looked better that the last time I checked them. Thanks for all the input, you guys do good.
Jim Swan firestar ll 503 N663S mich.
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