Shaft size of Hacker A20-20L, what size hole?

09-23-2006, 08:30 AM
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Shaft size of Hacker A20-20L, what size hole?
What size drill bit do I need to use to drill out my APC 10X4.7 SF prop for my Hacker A20-20L motor? OR what do you guys use to slightly enlarge the h...
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02-13-2007, 10:06 PM
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Join Date: Oct 2006
Location: Frederick Maryland USA
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You can use an exacto knife to ream out the adapter rings that come with the APC SF props. It should not take too much to fit if you are using a reasonable sized prop adapter.
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