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Post by cole505 on Aug 29, 2018 20:17:13 GMT
Hi All,
looking for for some ideas on my 2012 P-2008 for the 912 uls. Doing my final checks before take
off..... Did my run up as usual, started, ran, RPM TO 4000, idle perfect. Switched to A mag extremely rough shaking the airplane, switched to B mag same results both had 300-350 rpm drop in RPM. Back to both mags Beautiful! Perfect idle, prefect throttle response absolutely ready for take off.
Repeated the process several times same results as above? Called Roger Lee checked all wiring just finshed the anual compression perfect all cylinders, New plugs gaped perfectly, reversed a&b mag No change same results? He was stumped, I also had my A&P go through it same results he was stumped as well🤔
You 912 experts please chime in👍🏻 Thanks in advance for any ideas 💡
Ray🐾😎👍🏻😊🇺🇸✅✈️
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Post by Cluemeister on Aug 29, 2018 21:25:46 GMT
Did you post this on rotax-owner.com?
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Post by Glenn on Aug 29, 2018 22:23:56 GMT
Interesting! Sounds like the plug wires got mixed up.
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Post by buzz on Aug 29, 2018 23:34:47 GMT
First flight after annual?
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Post by cole505 on Aug 29, 2018 23:54:04 GMT
Interesting! Sounds like the plug wires got mixed up. Hi Glen, i just spoke with Brett from leading Edge Airfoils ....... He concurres with you 100% Thanks again for your input!  Ray 🐾😎👍🏻😊🇺🇸🇺🇸✅✈️ |
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Post by cole505 on Aug 29, 2018 23:55:05 GMT
So tomorrow I am going to ensure all the wires are in the correct position 👍🏻😊
Ray✈️😎👍🏻😊😊✅🐾🇺🇸
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Post by cole505 on Aug 29, 2018 23:56:14 GMT
First flight after annual? Hi Buzz, Yes, it was ...... we think the plug wires got miss positioned Ray 🐾😎👍🏻😊✅✈️ |
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Post by cole505 on Aug 29, 2018 23:58:09 GMT
Did you post this on rotax-owner.com? No, but I think we have it figured out...... we suspect the plug wires are out of sequence......🐾😎👍🏻👍🏻😊✅✈️🇺🇸 Appreciate your input 🐾😎👍🏻😊✅✈️🇺🇸 Ray |
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Post by cole505 on Aug 29, 2018 23:59:08 GMT
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Post by Glenn on Aug 30, 2018 5:22:03 GMT
Interesting! Sounds like the plug wires got mixed up. Hi Glen, i just spoke with Brett from leading Edge Airfoils ....... He concurres with you 100% Thanks again for your input! Ray 🐾😎👍🏻😊🇺🇸🇺🇸✅✈️ Hi Ray, I hope my guess is correct and it's an easy fix if I'm correct... Glenn |
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Post by cole505 on Aug 30, 2018 19:05:29 GMT
Hi Glenn,
Just got back from the hanger....... 💯 percent! Ops check good what an easy hard lesson! I did all the difficult trouble shooting first, when it was the most simple fix 3-4 cylinders were mixed up, I all need to do was read the numbers stamped into the intake manifold and verifying all plug wires corresponded 😊 a wasted long day, but lesson learned.......
I also appreciate every one else’s I puts as well😊
Ray🐾😎👍🏻💯😊✅✈️🇺🇸
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