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01-22-2019, 04:26 PM
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Join Date: Feb 2006
Location: Flanagan, IL
Posts: 194
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looking for circle cutter once shown on VAF
Hello fellas.
Several years ago someone showed, perhaps even advertised a handheld circle cutting mill that attached to a air die grinder. If I recall correctly, it was about $300. Anyone have one, and could comment on it. And further, does anyone know who made them, and how I could get a hold of one?
Just as a point of reference, I am not refering to the Malco sheet metal cutting tool used on a cordless drill. This tool I am remembering was machined aluminum, and was a short run type of tool that was maybe only displayed or shown here on VAF. I could be completely off my rocker, but I sure seem to remember it vividly.
Thank for any help.
Ben Schneider
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01-22-2019, 07:15 PM
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Join Date: Nov 2010
Location: Okanagan Valley BC, Canada
Posts: 482
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Something like this? I have a similar device and it works great...
https://www.amazon.com/Malco-HC1-2-I.../dp/B000289542
__________________
Ron Townson
Okanagan Valley BC, Canada
RV-8 Completed Dec 2013
Membership renewed Sept 8, 2019
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01-22-2019, 07:45 PM
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Join Date: Nov 2009
Location: Peoria, Az
Posts: 148
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Die Grinder - Circle Cutter
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James
RV6 N947J
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01-23-2019, 11:36 AM
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Join Date: Dec 2009
Location: Boulder, CO
Posts: 4,428
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Quote:
Originally Posted by Ron RV8
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I have one and have used it for a number of holes. Minimum hole diameter is about 2". The edges of the hole come out rough and I need to go back with a large sanding drum to smooth it out.
Once the hole is mostly cut, the inner piece can easily move around. Since that's the support for the center post, I've learned to use a piece of wood that's pilot-drilled for the center post, under the work, to back it up. Then it works okay. Please note that I said "okay," rather than "great."
One issue if you're thinking of using this on the aircraft, as opposed to using it on a part, is that the tool itself is large enough to sometimes interfere with or contact something on the airframe. That keeps it from making the full circle.
Dave
Last edited by David Paule : 01-23-2019 at 11:38 AM.
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01-23-2019, 07:05 PM
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Join Date: Feb 2006
Location: Flanagan, IL
Posts: 194
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Thats it!!
Thats the one Issac! Thank you!
Best,
Ben
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01-23-2019, 07:10 PM
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Join Date: Mar 2018
Location: Antioch, Tennessee
Posts: 102
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Yup. I second Isaac's post. The flyboys tool is the bomb! Better than excellent.
__________________
Dan K. RV-8 kit purchased 2014, build start Jan 2018, Slow build Emp. done - March 2018, Slow build Wings done -Oct 2018, QB Fuselage started - Sep 2018
Avionics in - April 2019. Engine and Finish kit in hand 2019.
VAF dues paid!
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01-23-2019, 11:01 PM
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Join Date: Jul 2018
Location: Naples fl
Posts: 140
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How about a hole saw?
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01-24-2019, 08:42 AM
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Join Date: Jun 2010
Location: Sunman, IN
Posts: 2,186
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hole saw
A trick to using a standard hole saw is to run the outside perimeter of the saw against a belt or disc sander to reduce or remove the tooth set...makes the holes much smoother...
__________________
Bob
Aerospace Engineer '88
RV-10
Structure - 90% Done
Cabin Top - Aaarrghhh...
EFII System 32 - Done
297 HP Barrett Hung
ShowPlanes Cowl with Skybolts Fitted - Beautiful
Wiring...
Dues+ Paid 2019,...Thanks DR+
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