09-25-2019, 12:12 PM
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United States, NJ, Millville
Joined Sep 2015
375 Posts
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Question
Drill Bit Size
What size drill bit do I need to drill the prop on my DLE 35 RA?
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09-25-2019, 02:09 PM
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United States, CA, Galt
Joined Nov 2009
611 Posts
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#20 drill bit, 4.0894mm (.161")
I struck out at my local hardware stores and ordered a couple from Chief Aircraft. Great running little engine! 13/32 for the center hole. |
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Last edited by crosswind; 09-25-2019 at 04:11 PM.
Reason: center hole bit size
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09-25-2019, 07:41 PM
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United States, TX, Bay City
Joined Nov 2016
690 Posts
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Slightly larger is never a problem if you can't find something quite as precise as mentioned. The clamping force is more important than the lateral tolerance. Plus a bit loose in size (bolts, not center) allow for imperfections.
10mm for the center and 4mm for the bolts are the standard. |
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09-25-2019, 08:24 PM
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Des Moines, Iowa USA
Joined Nov 2007
7,492 Posts
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I use whatever bit fits my drill jig. Some jigs are supplied with the proper size bit.
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09-25-2019, 09:08 PM
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United States, NC, Wilmington
Joined Nov 2010
817 Posts
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Quote:
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09-26-2019, 07:56 AM
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United States, NJ, Millville
Joined Sep 2015
375 Posts
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Found the # 20 bit a my local Harbor Freight store, Got a hole pack of bits from like #1 to #60 for $20.00, Thanks
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09-26-2019, 10:36 AM
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United States, FL, Jupiter
Joined Nov 2009
11,566 Posts
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https://www.mcmaster.com/2958a73
I use the 4.1mm |
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09-26-2019, 08:34 PM
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United States, CA, Apple Valley
Joined Mar 2011
3,829 Posts
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