Vince Frazier
Joined: 10 Jan 2006
Posts: 132
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 Posted: Thu Sep 16, 2010 5:37 am Post subject: toe in / toe out |
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SNIP I will set it to zero in the unloaded condition. SNIP
Be careful. I initially set the alignment w/ no weight on the tires on my Rocket and wore out a set of tires in <100 hours. (I've got F1 gear but the concept is the same). After wearing out the 1st set of tires, I went back and completely reset the alignments on the finished plane, loaded with fuel and pilot weight, and with the tail on the ground.
I'd argue that the plane will spend very little time with the tail off the ground and you want the best alignment at slow, tail down speeds.
http://www.vincesrocket.com/Additions%20after%2010-27-04.htm for more, mind-numbing details.
To be clear here, I'm not saying John is wrong. No, not in the least. It's his baby. I'm saying that for me, the align then fly process proved unacceptable.
For those who care and haven't quit reading yet, consider that the camber and toe on this type of gear varies considerably with tail up/tail down and with varying aircraft weights, and with braking action.
Here's a test for those already flying, park your Rocket on a shiny smooth (painted is good) concrete hangar floor. If your tires squeak when you roll the plane forward, then your alignment is not optimal. The squeaking is caused by the toe. As you move the plane, the tires must compensate for the misaligned track... and they squeak. The good news is that these planes are pussycats even with dreadful alignment like I had.
So, follow John's advice, but also consider what you are doing and why.
YMMV
Vince
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Vince Frazier
3965 Caborn Road
Mount Vernon, IN 47620
812-464-1839 work
812-985-7309 home
F-1H Rocket, N540VF
http://vincesrocket.com/ |
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