LycomingEngines-List Digest Archive

Sun 04/05/09


Total Messages Posted: 1



Today's Message Index:
----------------------
 
     1. 08:13 PM - Fluctuating oil pressure during prop braking (bluesidedown)
 
 
 


Message 1


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    Time: 08:13:07 PM PST US
    Subject: Fluctuating oil pressure during prop braking
    From: "bluesidedown" <mbick@carolina.rr.com>
    I am having some strange things happening with oil pressure and I think it is because of my prop governor but I am not sure. Now the oil pressure is 80 lbs at full throttle and only drops to 50 @ 800 rpm when fully warmed up and on the ground is as strong and steady as you could want. Even fast taxing back and forth is is fine. But when I am flying what happens is when I pull back the throttle the oil pressure fluctuates considerably. It only happens in the air when I pull back the throttle and the prop is braking. Now on the ground I can't reproduce it and all is normal, only in the air when the prop braking can I reproduce it. Another thing I noticed is that it will not go to 2700 but only about 2600 and I adjusted it out but no effect. The prop is an AEIO360 special with a front mounted governor and the prop is a new Whirlwind 200c Any ideas? Thanks Mike Read this topic online here: http://forums.matronics.com/viewtopic.php?p=237925#237925




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