Mailing List flyrotary@lancaironline.net Message #13654
From: Russell Duffy <13brv3@bellsouth.net>
Subject: RE: [FlyRotary] Paul's first flight (was Re: DAR visit?)
Date: Sat, 11 Dec 2004 17:46:57 -0600
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>
Message
At approximately 3:30 P.M.  my SQ2000 slipped the surly bounds of Earth....made a couple circuits around the airport and had an uneventful (yawn) landing.  
 
Congratulations Paul!  I was thinking about you as the winds started to die down around here.  I thought you'd probably go.  BTW-  I changed the subject line to show your proper place in the flying world :-)   
 
From 1/4 to 1/2 throttle, engine accelerates smoothly and plenty of power. As soon as I try to go above 1/2 throttle, the engine begins to bog down. Advancing the throttle more only made it bog down even more.
 
I bet you wish you had tied your plane down and ran it full throttle on the ground.  I'll never understand why people don't do that.  I'm coming over there to put the boot on your plane until you prove this is fixed :-)
 
 I have to work on the power problem ASAP.  I'm thinking it is mixture related.  
 
You could certainly be correct.  I'm assuming you don't have a mixture gauge, but do you have an O2 sensor for your MicroTech?  If so, you can probably also connect it to a panel gauge, even if you're only hooking it up temporarily.  For a ground test, you can even stick an O2 sensor in your exhaust pipe, as long as you can make sure and secure it so it doesn't go in the prop.  I will let you use my old Mixture monitor gauge for testing if you want to.  
 
Remind me what prop you're using.  Is there any chance it's way too big?  That might also cause some problems.
 
Again, congrats, and welcome to the ranks of the flying tinkerers :-)
 
Cheers,
Rusty 
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