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  #1  
Old 02-25-2017, 04:41 PM
SabreFlyr SabreFlyr is offline
 
Join Date: Sep 2015
Location: Marion, IN
Posts: 98
Default Drill bits needed for the -14

Getting the tools together for my QB -14 kit which will arrive soon. I'm comparing the tool list on pages 03-02 through 03-04 of the plans with the list of Van's website (http://vansaircraft.com/public/tools.htm). Quite a disparity there in the drill bits required. The website list seems quite limited in comparison and would seem to be insufficient (really, only five sizes?!).
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  #2  
Old 02-25-2017, 05:33 PM
Ron B. Ron B. is offline
 
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Default

Sizes that come to mind. #40, #30, #33 X 6" , #19,#20, #12, #27, 1/4" 3/16" , 5/16" and 3/8".
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  #3  
Old 02-25-2017, 05:41 PM
PilotjohnS PilotjohnS is offline
 
Join Date: Jan 2016
Location: Los Angeles
Posts: 266
Default Easy

I would just buy a number and fractional drill set to start. Then buy extras of the 5 sizes that are listed. But buy good quality sets.
You are going to need some smaller sizes as a guide hole when drilling out rivets and for tapping, etc
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WARNING! Information presented in this post is my opinion. All users of info have sole responsibility for determining accuracy or suitability for thier use.

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Last edited by PilotjohnS : 02-25-2017 at 05:44 PM.
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  #4  
Old 02-25-2017, 06:03 PM
rv7charlie rv7charlie is offline
 
Join Date: May 2006
Location: Pocahontas MS
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Default

Hi Ray,

This is just a FWIW, but I limped along for decades with a very small set of bits, occasionally buying special purpose bits needed for various projects. I've always done my own auto, home, electronics, etc maintenance, and I've wasted a lot of time that way.

Not long after I started my -7, I discovered that Harbor Freight offers this:
http://www.harborfreight.com/115-pc-...set-61543.html

I've had that set for over a decade, and they stood up well drilling aluminum, until I started using the bits on really tough stuff like stainless and hardened steel, and for other 'odd jobs' around the house & hangar/shop.

Several years ago, I bought this set:
http://www.harborfreight.com/115-pc-...set-61886.html

I haven't used them a lot, but they do seem like pretty decent bits for the money.

I mention them because, especially with the less expensive set, you'll have any size you're likely to need for not much more money than buying ones & twos of specific bits.

For the highly repetitive jobs (#30 & #40, for instance), it's worthwhile to get a handful of quality bits from a reputable supplier, of course.

The inexpensive sets of 'step bits' from HF also do a decent job in aluminum sheet, and a tolerable job for those rare cases where you need a big hole in stainless (firewall, for instance).

Charlie
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  #5  
Old 02-25-2017, 06:25 PM
Tom023 Tom023 is offline
 
Join Date: Jul 2011
Location: Cypress, TX
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Default

Quote:
Originally Posted by Ron B. View Post
Sizes that come to mind. #40, #30, #33 X 6" , #19,#20, #12, #27, 1/4" 3/16" , 5/16" and 3/8".
Plus 33, 34, 21, 1/8, 7/16, 17, I'm sure others
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  #6  
Old 02-25-2017, 06:41 PM
SabreFlyr SabreFlyr is offline
 
Join Date: Sep 2015
Location: Marion, IN
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Quote:
Originally Posted by rv7charlie View Post
For the highly repetitive jobs (#30 & #40, for instance), it's worthwhile to get a handful of quality bits from a reputable supplier, of course.
I'm putting together a McMaster-Carr order and have a dozen of each in the shopping cart. May add a couple each of the sizes that others have mentioned. The second HF fractional & numbered set is a temptation as a good backup for other sizes, especially if I can use one of their coupons.

What's a good source for the 12" bits? McMaster has 12" fractional sizes but not numbered that I can find. Cleaveland doesn't show an image of their 12" bits. I'd prefer a long shank with a short drilling depth. Just seems to me that they would hold up better.
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  #7  
Old 02-25-2017, 07:16 PM
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wirejock wirejock is offline
 
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Location: Estes Park, CO
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Default Reamers

I have the HF set. It works fine but the more heavily used bits have been replaced with higher quality bits. However, in my case, every hole is final drilled with a reamer. I highly recommend buying guide a reamer of the more commonly used sizes. #40, #30, #19, #12, 3/16", 1/4" and the oddball, .311".
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  #8  
Old 02-25-2017, 09:14 PM
KeithB KeithB is offline
 
Join Date: Mar 2014
Location: Granbury, TX
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Default

Maybe I drill out more rivets than most, but I also like a #43 for drilling AN3 rivets and #33 for drilling out AN4 rivets. (I drill the heads with #40/#30, snap them off with a punch, then drill the rivet shaft with #43/#33).

There are also call outs in the plans several others - #17 and #34 come to mind. The Harbor Freight set filled the need.
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  #9  
Old 02-25-2017, 10:42 PM
PilotjohnS PilotjohnS is offline
 
Join Date: Jan 2016
Location: Los Angeles
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Default Brown tools

Quote:
Originally Posted by SabreFlyr View Post
I'm putting together a McMaster-Carr order and have a dozen of each in the shopping cart. May add a couple each of the sizes that others have mentioned. The second HF fractional & numbered set is a temptation as a good backup for other sizes, especially if I can use one of their coupons.

What's a good source for the 12" bits? McMaster has 12" fractional sizes but not numbered that I can find. Cleaveland doesn't show an image of their 12" bits. I'd prefer a long shank with a short drilling depth. Just seems to me that they would hold up better.
Brown Tools ( A VAF advertiser) has all the different bits you would ever want. Try them.
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John S

WARNING! Information presented in this post is my opinion. All users of info have sole responsibility for determining accuracy or suitability for thier use.

Extra dues paid 2017, worth every penny

RV9A- Status: tail feathers done less tips
Wings 50%
www.pilotjohnsrv9.blogspot.com
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  #10  
Old 02-26-2017, 06:11 AM
SabreFlyr SabreFlyr is offline
 
Join Date: Sep 2015
Location: Marion, IN
Posts: 98
Default

Lots of good information here, guys. Thanks a bunch! Larry, thanks for the reamer idea. I've seen that mentioned before (perhaps by you). I'll look into it.
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RV-14 QB #140212
VS done (by previous builder)
Rudder started
2017 DUES PAID
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