Another Question

[jim ivey]

Dan
 The way I test for this is to pre-load the Elevator with 2-4 oz fishing weights, 2-4 oz each side. Use a precision setup to check deflection such as the system Jerry Budd sells. It's very accurate for this. Do the up elevator then invert the plane and test the down elevator. Check for equal deflection between the 2 elevators, through the range of the deflection.
I bet you find the pushrod flexes to one side causing unequal pull in the down direction. I had this happen to my Focus.  Good luck

Jim Ivey
----- Original Message -----
From: Dan Curtis
Sent: Monday, May 19, 2003 12:48 AM
To: discussion at nsrca.org
Subject: Re: Another Question

Elevator halves flexing is a real possiblity.  Seems like something has to be moving or giving.   

Thanks Eric

Dan
----- Original Message -----  
From: Henderson,Eric  
To: discussion at nsrca.org  
Sent: Sunday, May 18, 2003 11:43 PM
Subject: RE: Another Question


Th elevator halves could be flexing??

E.
-----Original Message-----
From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]On Behalf Of PENNISI Peter
Sent: Monday, May 19, 2003 12:11 AM
To: 'discussion at nsrca.org'
Subject: RE: Another Question


Sounds like a loose thumb!


-----Original Message-----
From: Dan Curtis [mailto:warrior523 at mchsi.com]
Sent: Monday, 19 May 2003 2:00 PM
To: NSRCA Discussion
Subject: Another Question


Since the list is pretty quite it just might be a good time to throw another plane problem that has been hurting my little brain lately.   

A friend has a Focus and flying the Intermediate pattern.  He is doing quite well but a few days ago the plane was put through some paces that required more outside manuevering than the Int. schedule.  This is when a strange and blatant problem became evident.   

Imagine the plane flying from left to right, str and level.  Push to a one half outside loop or bunt.  Plane tracks perfectly thru two thirds of the half loop then a little prior to being wings level headed right to left, the planes nose begins to move toward the flightline by twenty degrees or more.  Basically it corkscrews to the planes right wing during outside loops but only begins its deviation in the last third or quarter of the half loop.  Ideas???

Dan
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