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06-29-2020, 02:37 PM
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Join Date: Nov 2017
Location: Eatonton Georgia
Posts: 345
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One BUTT HOLE SCREW
Will not let go, holding root fairing on. Phillips head, #8. Naturally not one on top, but the third one from leading edged, as the fairing wraps around bottom. Sprayed with PB Blaster, tried both manual and drill driver. I have not spun out the screw head YET. Any tricks/ method you can share for this issue. Thanks
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Butch
RV6A Purchased N72TX
Last edited by BH1166 : 06-29-2020 at 03:13 PM.
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06-29-2020, 02:38 PM
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Join Date: Mar 2017
Location: Birmingham, Alabama
Posts: 1,756
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You can try to (carefully) apply heat with a soldering iron tip, that sometimes will break down and loosen whatever has it, just don't let it discolor the surrounding area.
__________________
RV-14A #140376
N196 (Flying)
2019 Bronze Lindy
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06-29-2020, 02:41 PM
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Join Date: Feb 2005
Location: LSGY
Posts: 3,551
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keep going!
Quote:
Originally Posted by BH1166
Will not let go, holding root fairing on. Phillips head, #8. Naturally not one on top, but the third one from leading edged, as the fairing wraps around bottom. Sprayed with PB Blaster, tried both manual and drill driver. I have not spun out the screw head YET. Any tricks/ method you can share for issue. Thanks
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Let it soak a bit more if you can get oil on the top. Bit of heat from a heat gun. A few little taps with a punch and a hammer. EZ-out. Worst case, a #40 or so drill. Standard stuff!  |
06-29-2020, 03:37 PM
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Join Date: Jan 2005
Location: MN
Posts: 2,281
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Traction
Bit of valve grinding compound on the screwdriver bit might give you the traction to get it moving.
Good luck!
__________________
Cheers,
Pete
Amateur Plane - RV-9A N789PH - 2350+ Hrs
Amateur Radio - KD0CVN
Doggies Delivered - 25+
St. Paul, MN
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06-29-2020, 03:39 PM
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Join Date: Dec 2013
Location: SLC, UT (KBTF)
Posts: 261
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Agree with the penetrating oil and heat. Try heating an old Phillips screwdriver tip until it's red hot. Put it in the screw head and hold it there until it cools. Don't use this screwdriver as a screwdriver again.
Rather than tapping with a hammer and punch, try tapping a Phillips insert bit with the hammer. Use an ACR (anti camout ribs) bit https://phillips-screw.com/drive-system/acr-ribbed for removal. Use either a hand impact driver and light hammer, or a cordless impact driver to turn the ACR bit. These impact tools allow the bit to reset at full depth after each impact; lessening the tendency of the bit to camout of the fastener.
Good Luck.
Cheers, David
RV-6A A&P |
06-29-2020, 03:51 PM
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Join Date: Feb 2005
Location: LSGY
Posts: 3,551
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hot screwdrivers near you
Quote:
Originally Posted by koupster
Agree with the penetrating oil and heat. Try heating an old Phillips screwdriver tip until it's red hot. Put it in the screw head and hold it there until it cools. ...
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Great idea! |
06-29-2020, 04:12 PM
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unfluencer
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Join Date: Jan 2005
Location: Highland Village, TX
Posts: 4,141
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I don't have anything to add, except the subject line you chose made me laugh out loud. Thank you <g>.
v/r,dr
__________________
Doug Reeves (your host) - Full time: VansAirForce.net since '07 (started it in '96).
- Typed in the EMB-505 (Phenom 300). Available for contract work. (resume).
- Part time: Supporting Crew Member CAE EMB-505 Level D Sim @ KDFW.
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06-29-2020, 04:40 PM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,705
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Quote:
Originally Posted by BH1166
Sprayed with PB Blaster
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PB Blaster and other penetrating oils are usually designed for rusted or otherwise corroded devices.
Your nutplate issue is most likely due to galling---especially so if you have a stainless screw--and the PB, WD40, Kroil etc stuff is virtually useless in that case.
And, after you get it out, use a bit of bees wax to lube the nutplate before putting the new screw back in.
Get a wax toilet ring from the hardware store, enough bees wax to last a lifetime.
__________________
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."
Last edited by Mike S : 06-29-2020 at 04:45 PM.
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06-29-2020, 04:56 PM
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Join Date: Oct 2005
Location: Estes Park, CO
Posts: 4,192
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Butt Hole Screw
Quote:
Originally Posted by DeltaRomeo
I don't have anything to add, except the subject line you chose made me laugh out loud. Thank you <g>.
v/r,dr
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Yes. That was not the thread I thought it would be!
Glad there wasn't a photo
__________________
Larry Larson
Estes Park, CO
http://wirejockrv7a.blogspot.com
wirejock at yahoo dot com
Donated 01/01/2021, 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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06-29-2020, 04:56 PM
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Join Date: Oct 2012
Location: Clearwater, FL KCLW
Posts: 1,302
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I've gotten those out with ez-out type bolt extractors before. It's very satisfying when they grab and start turning!
Chris
__________________
Chris Johnson
RV-9A - Done(ish) 4/5/16! Flying 4/7/16
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