Countersinking

Model Specific Discussions about the Sling TSi.
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rnurkka
Posts: 5
Joined: Fri Aug 19, 2022 5:44 pm
Location: Mesa AZ US

Countersinking

Post by rnurkka »

Been reading about the countersinking from Phil. 120 degree is best. Question though. Right out of the gate, Horizontal stabilizer. 8 holes on each side. The 120 degree countersink bit I can find online is too large for these holes. What did everyone else use? 100 degree on these?

Two part 4's page 3 of the Empennage manual Revision 3.2.

Appreciate the assistance.
tokyovigilante
Posts: 4
Joined: Tue Oct 27, 2020 3:19 pm
Location: New Zealand
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Re: Countersinking

Post by tokyovigilante »

https://www.aircraftspruce.com/catalog/ ... key=208475

Work a treat, include sizes to suit all 4 standard rivet sizes. I would suggest using with a countersink stop tool.

https://www.aircraftspruce.com/catalog/ ... -01788.php
rnurkka
Posts: 5
Joined: Fri Aug 19, 2022 5:44 pm
Location: Mesa AZ US

Re: Countersinking

Post by rnurkka »

Ah figured it out at least for this part. Of course had to enlarge the current holes. So the #30 works fine on these.
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