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09-04-2014, 11:32 AM
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Join Date: Mar 2014
Location: Laguna Hills, CA
Posts: 1,805
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Reamer sizes
Would any of you experienced 9/9A builders have a list of reamer sizes need for the build? I know a 0.311 is needed for the gear weldments, and the rear spar attachment needs a reamed hole (size?). What about elsewhere on the airframe?
I'm about to place an order at one of our fine tool vendors here, and I want to buy them all at once if possible.
__________________
Doug
RV-9A "slider"
Flew to Osh in 2017, 2018 & 2019! 
Tail number N427DK
Donation made for 2020
You haven't seen a tree until you've seen its shadow from the sky -- Amelia Earhart
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09-04-2014, 11:54 AM
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Join Date: Feb 2008
Location: Austin, TX
Posts: 179
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If you're just looking to complete the toolkit, get one each of the AN bolt sizes. The 3/16" is the one I used the most.
For the .311, consider buying two. When the first one breaks you'll be happy to have a backup.
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09-04-2014, 12:29 PM
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Join Date: Mar 2014
Location: Laguna Hills, CA
Posts: 1,805
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Thanks, Chip?that's a good idea. Other than the gear weldments, do any of the holes (other than the pre-done wing attach holes) need to be a nonstandard size?
__________________
Doug
RV-9A "slider"
Flew to Osh in 2017, 2018 & 2019! 
Tail number N427DK
Donation made for 2020
You haven't seen a tree until you've seen its shadow from the sky -- Amelia Earhart
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09-04-2014, 01:47 PM
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Join Date: Dec 2009
Location: Boulder, CO
Posts: 4,435
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I have been glad I bought a #40 and #30 reamer, a 3/16 reamer and plan to buy a #19 reamer. The #19 reamer is for the #8 screws.
Dave
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09-04-2014, 03:35 PM
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Join Date: Apr 2008
Location: Lake Havasu City AZ
Posts: 2,393
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reamers
MSC.com is a great source for reamers. Wide range of quality and price, great customer service.
I have slightly undersize reamers for AN3 thru AN6 bolts, usually .0015 to .002 under the nominal size.
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09-04-2014, 03:56 PM
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Join Date: Mar 2008
Location: Ramona, CA
Posts: 2,370
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I used a 1/4" and a #12 reamer for many of the AN4 and AN3 bolt holes.
If I was to build again, I would add the #30 and #40 and ream the match drilled holes to size for all of the rivets.
My local industrial hardware store has all of the reamer sizes.
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09-04-2014, 04:16 PM
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Join Date: Mar 2014
Location: Laguna Hills, CA
Posts: 1,805
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Thanks, everyone. I should've had a set of these from the outset. They certainly won't be the last tools I buy for the project!! 
__________________
Doug
RV-9A "slider"
Flew to Osh in 2017, 2018 & 2019! 
Tail number N427DK
Donation made for 2020
You haven't seen a tree until you've seen its shadow from the sky -- Amelia Earhart
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09-05-2014, 04:33 PM
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Join Date: Mar 2014
Location: Laguna Hills, CA
Posts: 1,805
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I placed an order….I went with 1/4", 3/16", #12 and 0.311, which is 5/16" undersize. Thanks for steering me in the right direction. VAF is absolutely the best $25/year you could ever spend on your plane. 
__________________
Doug
RV-9A "slider"
Flew to Osh in 2017, 2018 & 2019! 
Tail number N427DK
Donation made for 2020
You haven't seen a tree until you've seen its shadow from the sky -- Amelia Earhart
Last edited by rightrudder : 09-05-2014 at 04:43 PM.
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