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noconwud(at)earthlink.net
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 Posted: Sat Mar 14, 2009 9:34 pm Post subject: Drilling into stainless aileron counterbalance |
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I'm wearing out my #40 drill bits pretty quickly trying to drill the #40
holes between the skin and stainless counterbalance. Any hints as to what
type of drill bit I should get in order to knock this out quicker would be
great. Thanks.
Andy Johnson
Poquoson, VA
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partner14
Joined: 12 Jan 2008
Posts: 540
Location: Granbury Texas
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| Posted: Sat Mar 14, 2009 10:13 pm Post subject: Drilling into stainless aileron counterbalance |
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Make sure you're drilling with enough pressure... especially through stainless and steel.... going to slow will burn the drill up fast. Put the pedal to the metal!
Don
--- On Sat, 3/14/09, Andrew Johnson <noconwud(at)earthlink.net> wrote:
| Quote: |
From: Andrew Johnson <noconwud(at)earthlink.net>
Subject: Drilling into stainless aileron counterbalance
To: rv10-list(at)matronics.com
Date: Saturday, March 14, 2009, 10:33 PM
--> RV10-List message posted by: "Andrew Johnson" <noconwud(at)earthlink.net (noconwud(at)earthlink.net)>
I'm wearing out my #40 drill bits pretty quickly trying to drill the #40 holes between the skin and stainless counterbalance. Any hints as to what type of drill bit I should get in order to knock this out quicker would be great. Thanks.
Andy Johnson
Poquoson, V --> httphttp://forums.matronics.com/" target=_blank>http://forums.matronics.com
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[quote][b]
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Don A. McDonald
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doctornigel
Joined: 18 Feb 2009
Posts: 11
Location: Indian Harbour Beach, FL
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| Posted: Sun Mar 15, 2009 1:32 am Post subject: Re: Drilling into stainless aileron counterbalance |
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Are you using Boelube? I only used it for the s.s. or really thick al. parts. And there is a difference in drill bits, some work better/longer. I haven't tried a bit sharpener yet, might be worth getting, I'm sure someone has and will chime in.
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jim(at)CombsFive.Com
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| Posted: Sun Mar 15, 2009 8:33 am Post subject: Drilling into stainless aileron counterbalance |
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Find anything you can to lubricate the bit. Boelube, Lots of oil, Cooltool, something. Then use lots of pressure and get the cutting done. SS work hardens. If you get it hot, it gets harder, so you have to be aggressive.Have fun.Jim CombsN312F - flying!Do not archive--> RV10-List message posted by: "Andrew Johnson" <noconwud(at)earthlink.net>I'm wearing out my #40 drill bits pretty quickly trying to drill the #40holes between the skin and stainless counterbalance. Any hints as to whattype of drill bit I should get in order to knock this out quicker would begreat. Thanks.Andy JohnsonPoquoson, VA [quote][b]
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daveleikam(at)wi.rr.com
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| Posted: Sun Mar 15, 2009 10:47 am Post subject: Drilling into stainless aileron counterbalance |
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I have a Drill Doctor and it works really well to sharpen dull bits. There
may be others which work as well.
Dave Leikam
RV-10 #40496
N89DA (Reserved)
Muskego, WI
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eagerlee
Joined: 28 Jan 2006
Posts: 35
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| Posted: Mon Mar 16, 2009 7:17 am Post subject: Drilling into stainless aileron counterbalance |
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Drilling stainless steel works best with high bit pressure and low temperature, which requires lubrication and SLOW bit speed and if the piece is thick enough, frequent cooling breaks.
Paul Hahn
[quote][b]
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