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  #11  
Old 12-18-2012, 09:55 AM
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DanH DanH is offline
 
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Quote:
Originally Posted by WingsOnWheels View Post
Do you have any data I can review to substantiate that claim?
You will not have difficulty finding basic beam equations and stress concentration equations for holes.

Without question, the stick is weaker now than as delivered to you. I have no interest in specific analysis to determine exactly how much less strong or fatigue resistant it might be. The point is that builders should never weaken a primary control component...in particular when there are good alternatives.

Quote:
Where would you suggest the wires exit the control stick (ie, did you run any wires to yours, where do they exit). I'm certainly open to better solutions.
Obviously one choice is out the bottom. The second choice is to thicken the material at the stress concentration, the standard method being a welded patch around the hole, preferably diamond or long oval in shape. My own (RV8 front stick) has a diamond reinforcement cut from a tube one sleeve size larger.
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Last edited by DanH : 12-18-2012 at 03:32 PM.
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  #12  
Old 12-18-2012, 10:13 AM
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Quote:
Originally Posted by DanH View Post
Obviously one choice is out the bottom. The second choice is to thicken the material at the stress concentration, the standard method being a welded patch around the hole, preferably diamond or long oval in shape.
A third option, at least on the RV-10 stick, is down the back. I am not familiar with the other model's stick configuration to know if this applies to them as well.



Then cover with your favorite material, like:



These were taken from Geoff Comb's build site.
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  #13  
Old 12-18-2012, 02:26 PM
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Originally Posted by DanH View Post
Obviously one choice is out the bottom.
This is what I did. Works fine. Though I don't have any pictures handy.

Ron, I should have some time after the holidays if you want a second opinion on electrical stuff i'd be happy to go over it with you. I did recently wire up a stick grip with way more connections than yours!

Cheers!
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  #14  
Old 12-18-2012, 02:54 PM
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Ditto on out the bottom. I just used a piece of spiral wrap on the cable to prevent chaffing. I also made triple sure there was nothing for it to snag on.
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  #15  
Old 12-20-2012, 02:04 AM
ron sterba ron sterba is offline
 
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Bob and Brain nice jobs, James I'll take you up on the electrical visit. Well its looks like I can get a section of plastic flex out the bottom. And a as previously mentioned the phone cord style, you know the curly Q type,you take the cable out the bottom of the stick and you wrap the cable around a pencil and you get a spring looking style that will endure many movements. So I think that's the route for now. Man I thank you all for participating in the thread! Merry Christmas!

Ron in Oregon
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