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05-22-2017, 01:01 PM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,430
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Beeswax is also very good to use when tapping aluminum.
__________________
Mike Starkey
VAF 909
Rv-10, N210LM.
Flying as of 12/4/2010
Phase 1 done, 2/4/2011 
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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05-22-2017, 01:08 PM
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Join Date: Apr 2015
Location: Ponte Vedra, FL
Posts: 1,480
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Quote:
Originally Posted by Bill Boyd
(besides tapping the plates very gingerly to loosen them some, which I no longer do): Wax toilet bowl ring for thread lube. One ring will do about 6.02x10^23 screws. Valve lapping compound on the tip of the Phillips bit - gives greatly improved grip and prevents cam-out. Quality Wiha screwdrivers. Pay the Germans and buy once-cry once.
EZ-Outs for when the above fails. If you don;t chase a tap through your #6's, I believe it's only a matter of time under the best of conditions...
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A mole of screws??? What's the atomic weight of a screw?
__________________
Turner Billingsley
RV-14A built/sold N14VB
RV-12iS in progress as of October 2020
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05-22-2017, 01:57 PM
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Join Date: Sep 2006
Location: Landing field "12VA"
Posts: 1,531
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This helpful hint first published in The Experimenter by Avogadro
He considered it to be the normal solution.
__________________
Bill Boyd
Hop-Along Aerodrome (12VA)
RV-6A - N30YD - Built '98 / sold '20
RV-10 - N130YD reserved - under construction
donating monthly to the VAF - thanks, Doug
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05-22-2017, 01:59 PM
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Join Date: Sep 2006
Location: Landing field "12VA"
Posts: 1,531
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Quote:
Originally Posted by mturnerb
A mole of screws??? What's the atomic weight of a screw?
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That's none of your beeswax 
__________________
Bill Boyd
Hop-Along Aerodrome (12VA)
RV-6A - N30YD - Built '98 / sold '20
RV-10 - N130YD reserved - under construction
donating monthly to the VAF - thanks, Doug
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05-22-2017, 02:54 PM
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Join Date: Mar 2015
Location: Sacramento, CA
Posts: 51
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Ribbed for your pleasure
I always make sure I have ribs on my tip when screwing. I do not use lube, I just put them in there. No sweet-talk or anything like that, just go for it.
https://www.amazon.com/Bosch-46005-R.../dp/B0065ID2BU
The lil ribs on the tips hold the screw tightly. This also helps in tight quarters and unusual positions if the driver is a little out of alignment with the screw. As for the shaft, the threads do get roughed up by the nutplate, but I figure that is how it is supposed to be?

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DanR
RV8
"Life seems so much simpler when you're fixing things." - Anakin Skywalker
Dues Paid 2020
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05-22-2017, 03:08 PM
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Join Date: Mar 2009
Location: Grand Rapids, MI
Posts: 1,004
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If you think it's an issue of dirt, paint, or other FOD, I cut a slit length wise in the threades with a dremmel. The slot cleanes out any materials without cutting new threads or making the "hole sloppy" just use the screw as a chase and then replace it with a new fresh screw.
__________________
Paul K
West Michigan
Unfortunately in science, what you believe is irrelevant.
2020 donation made, exempt but worth every dime!
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05-22-2017, 03:20 PM
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Join Date: Sep 2007
Location: Central IL
Posts: 5,525
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Quote:
Originally Posted by Arvey Fleur
I always make sure I have ribs on my tip when screwing. I do not use lube, I just put them in there. No sweet-talk or anything like that, just go for it.
https://www.amazon.com/Bosch-46005-R.../dp/B0065ID2BU
The lil ribs on the tips hold the screw tightly. This also helps in tight quarters and unusual positions if the driver is a little out of alignment with the screw. As for the shaft, the threads do get roughed up by the nutplate, but I figure that is how it is supposed to be?

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+1 But lube allows return performance, less trauma.
I seldom (almost never) have a driver slip now with the ribbed, replaceable tips.
__________________
Bill
RV-7
Lord Kelvin:
“I often say that when you can measure what you are speaking about,
and express it in numbers, you know something about it; but when you
cannot measure it, when you cannot express it in numbers, your knowledge
is of a meager and unsatisfactory kind.”
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05-22-2017, 03:28 PM
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Join Date: Oct 2005
Location: Estes Park, CO
Posts: 3,953
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Tap
Boelube for sure but I actually run a tap in three turns. It leaves plenty of tension. Downside is the time involved. When I have a few extra minutes but don't want to start a new step, I tap nutplates.
__________________
Larry Larson
Estes Park, CO
http://wirejockrv7a.blogspot.com
wirejock at yahoo dot com
Donated 12/03/2019, plus a little extra.
RV-7A #73391, N511RV reserved (2,000+ hours)
HS SB, empennage, tanks, wings, fuse, working finishing kit
Disclaimer
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.
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05-22-2017, 03:30 PM
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Join Date: Feb 2008
Location: MN
Posts: 77
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Quote:
Originally Posted by Jasonm
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These strip even more than the phillips. Ask me how I know. I did both wing tips with these and i get a few stripping every time I remove the tips. I've been switching back to Phillips as these strip.
Vince
RV-7
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05-22-2017, 05:45 PM
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Join Date: Mar 2014
Location: San Marcos, CA
Posts: 416
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1) Torx might seem like they strip easy, but are you sure you are using the correct sized bit? Because they work for a while with the wrong bit, and then strip. Also, people often mix Torx and Allen tip heads all the time. Again, they mostly work but will strip eventually.
FYI, Phillips head screws are designed to strip. They were first created so machines could drive screws, and have the head strip before the threads did.
2) For sure tap the nut plates. I think they are using the same tap to make them, that they used 50 years ago, and it is getting small.
3) Boelube also helps a lot.
__________________
~Chuck
DG-800S Sailplane
QB RV-8 -- Working on final wiring and the engine
84CX Reserved
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