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  #1  
Old 11-12-2017, 05:10 PM
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Vlad Vlad is offline
 
Join Date: Oct 2008
Location: NJ
Posts: 7,102
Lightbulb 3,000 + hours nose gear bolt replaced

Short story long that's how the stock nose wheel gear bolt looks after 6 years of constant abuse. RV9A with over 3,000 of flying hours and 4,200+ landings some of them at places I wouldn't even think of going second time. No modifications to the gear whatsoever all stock.











Replaced with the same AN5-20A bolt per plans added an extra thin washer and used red Locktite on threads. Surprisingly there was no play after cleaning out the hole in the engine mount and the gear leg. Snug fit. If anybody has an ability to analyze the old bolt I would gladly mail it. It would be interesting to know how fatigued the bolt is and how far it is from the failure.
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Old 11-12-2017, 05:26 PM
bdserv bdserv is offline
 
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Location: Winsted, CT
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Vlad - did you do the loctite mod to the gear leg itself to keep the leg tight and imobilized in the socket, or is your nose gear on your 9A totally stock per plans?

Bruce
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Old 11-12-2017, 06:07 PM
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Quote:
Originally Posted by bdserv View Post
Vlad - did you do the loctite mod to the gear leg itself to keep the leg tight and imobilized in the socket, or is your nose gear on your 9A totally stock per plans?

Bruce
Totally stock per plans Bruce. I locktited the bolt threads only.

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Old 11-12-2017, 06:26 PM
TX7A TX7A is offline
 
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Considering where you've been...and I've seen the photos...all I can say is WOW! Excellent airmanship, sir.
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  #5  
Old 11-12-2017, 06:29 PM
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Steve Melton Steve Melton is offline
 
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that makes me feel better. thanks.
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Old 11-12-2017, 07:43 PM
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bhester bhester is offline
 
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Location: Hopkinsville, KY
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Default Electric fuel pump?

Vlad, have you had to change your electric fuel pump yet? I’ll be going in there to run some auto pilot wires soon and was thinking it might be a good idea to change it, while it’s opened up. I’m at 1100 hrs. and almost 11 yrs. old. I changed my nose gear bolt in Feb. 2017. When do you plan to overhaul the engine? What about engine hoses?
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Old 11-12-2017, 07:59 PM
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Vlad Vlad is offline
 
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Quote:
Originally Posted by bhester View Post
Vlad, have you had to change your electric fuel pump yet? I’ll be going in there to run some auto pilot wires soon and was thinking it might be a good idea to change it, while it’s opened up. I’m at 1100 hrs. and almost 11 yrs. old. I changed my nose gear bolt in Feb. 2017. When do you plan to overhaul the engine? What about engine hoses?
Bobby I will keep the aux fuel pump for another year. A fuel hose leading to carb need to be changed it shows a spot by the heat reflector. I'll keep the motor running I have an ambitious plan for it in 2018. When you changed the nose gear bolt was it showing any signs of wear in shear?
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Old 11-12-2017, 09:30 PM
rightrudder rightrudder is offline
 
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Thanks for posting that, Vlad. It's the one part I'm most paranoid about...I'm checking the bolt every 25 hours for tightness and any sign of movement.
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Old 11-12-2017, 09:48 PM
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wjb wjb is offline
 
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Looks like a bit of Russian dirt there ... shouldn't hurt a thing!

Bolt actually looks pretty good; it would be interesting to see if a pull test showed any significant weakening.
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  #10  
Old 11-13-2017, 06:16 AM
Dave12 Dave12 is offline
 
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Hey pal, bring me that bolt. I know the man for the job.
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