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08-18-2015, 02:01 PM
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Join Date: Jul 2014
Location: Whistler BC
Posts: 207
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Drill Question
Hi all, So i have read most of the drill speed Posts regarding what we do. Most have said close to 6000rpm for a #40 or 1/8 #30
I also understand that Most builders are using 3600 ish rpm drills and some are using 2000rpm cordless batt op units.
The reason I ask is because I bought a kit from ATI (Via Snap On) that is a "Aircraft Sheet Metal Kit" and i didn't realize it is supplied with a Sioux 1410 2600rpm. i have no recourse with ATI or Snap on.
I have a tool Problem. I have many and I know from experience that the right tool makes the task enjoyable and efficient rather than difficult dangerous and frustrating.
So, I haven't used it at all. do I sell it and buy a 1412 3600Rpm or a 1414 6000rpm Or Carry on and just drill some holes.
Thanks in advance.
__________________
Andrew Atalla
Red Seal Automotive Service Technician
Red Seal Heavy Duty Equipment Service Technician
Welder/Fabricator
Squamish BC CYSE
RV-7 Left Elevator in progress
Dues paid
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08-18-2015, 02:07 PM
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Join Date: Feb 2011
Location: Suwanee, GA
Posts: 415
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All I used for my entire RV-10 build was 12v Dewalt cordless drill. Drill press for a few items. Would do it again. Not against buying the right tool for job, bought many many many, but saw no need, and still don't.
I think you are fine with any quality drill that you are comfortable with.
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08-18-2015, 02:46 PM
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Join Date: Jan 2005
Location: England
Posts: 1,087
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Carry on. As the kit is mostly pre-punched holes you wont notice the speed difference.
Pete
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08-18-2015, 02:58 PM
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Join Date: Sep 2007
Location: Central IL
Posts: 5,516
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Quote:
Originally Posted by atalla
Hi all, So i have read most of the drill speed Posts regarding what we do. Most have said close to 6000rpm for a #40 or 1/8 #30
I also understand that Most builders are using 3600 ish rpm drills and some are using 2000rpm cordless batt op units.
The reason I ask is because I bought a kit from ATI (Via Snap On) that is a "Aircraft Sheet Metal Kit" and i didn't realize it is supplied with a Sioux 1410 2600rpm. i have no recourse with ATI or Snap on.
I have a tool Problem. I have many and I know from experience that the right tool makes the task enjoyable and efficient rather than difficult dangerous and frustrating.
So, I haven't used it at all. do I sell it and buy a 1412 3600Rpm or a 1414 6000rpm Or Carry on and just drill some holes.
Thanks in advance.
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2600-3000 is just fine. I don't think you would ever know the difference in performance in use. Actually the slower one should have a little better torque for the step drills. You also will use it for the countersinking. Again, 26-3000 is good.
If you really want some first hand experience with speed, find someone in your area with a 6000 rpm drill and try it. I recently bought a 90deg drill and looked for 3000 rpm, I am quite happy with it.
__________________
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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08-18-2015, 06:45 PM
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Join Date: Aug 2006
Posts: 703
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Carry on, the high rpm speed seems to be more important with thick metal in my experience.
__________________
RV 7
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08-18-2015, 06:57 PM
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Join Date: Jan 2005
Location: St. Paul, MN.
Posts: 4,792
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I have a Sioux drill. I have no idea how many RPM it produced. All i know is I built an entire airplane and have had a blast flying it.
Sometimes we make things harder than they need to be. That's the curse of the Internet.
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08-18-2015, 07:44 PM
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Join Date: Jul 2014
Location: Whistler BC
Posts: 207
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Thanks everyone. I figured I was in good shape. I'll keep the 2600rpm On with the practice kits I go!
__________________
Andrew Atalla
Red Seal Automotive Service Technician
Red Seal Heavy Duty Equipment Service Technician
Welder/Fabricator
Squamish BC CYSE
RV-7 Left Elevator in progress
Dues paid
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08-18-2015, 07:45 PM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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14 volt DeWalt drill used here.
I started by using the air drill and it was just a pain dragging the house over and through the project.
__________________
Bill R.
RV-9 (Yes, it's a dragon tail)
O-360 w/ dual P-mags
Build the plane you want, not the plane others want you to build!
SC86 - Easley, SC
www.repucci.com/bill/baf.html
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08-18-2015, 10:03 PM
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Join Date: Dec 2009
Location: Montreal
Posts: 1,456
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Many of the cheaper cordless drills have a lot runout in the chucks. You dont want to be able to flex the chuck back and forth 1/32". You will never get clean countersunk holes with that. Make sure what ever you do use is decent quality with minimal runout. If you have a sioux you are good to go. If it has a keyed chuck I would replace it with a keyless chuck for $35 from the yardstore or similar. Sioux is a top notch drill.
__________________
Scott Black
Old school simple VFR RV 4, O-320, wood prop, MGL iEfis Lite
VAF dues 2020
Instagram @sblack2154
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08-19-2015, 02:05 AM
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Join Date: May 2010
Location: Benaraby Queensland. Australia
Posts: 209
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The quoted speeds are just about max speed for drills. There is no need to run anywhere near max speed and the drills will last longer at slower speeds, especially if you use a bit of lubricant.
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