flyrotary@lancaironline.net Mailing List Archive

Watts Drill was done in the old USA in the 1930's?

It is pretty neat, but has been around for a while. Trick is the tool has a 1degree

offset to it.

Frank Ford is a luthier, who also happens to be an excellent machinist. Article

is about making a rotary broach, with the slater tool. Yes, close cousin to the

watts drill.

http://www.frets.com/HomeShopTech/Tooling/BroachMaking/broachmaking.html

Warning, you can spend hours on his neat web site.

Machinist stuff:

http://www.frets.com/HomeShopTech/hstpages.html

Handy Tips:

http://www.frets.com/HomeShopTech/ShopTips/tiplist.html

Tom

From: Marc Wiese <cardmarc@charter.net>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Sunday, November 6, 2011 5:13 PM
Subject: [FlyRotary] Square drill bit: Fw: CHINESE DRILL BIT DRILLS SQUARE HOLES

Now we don’t have to put a square peg in a round hole. We can get square holes. Quite the tool bit.

A must for any toolbox?

http://xa.yimg.com/kq/groups/18865109/2038985383/name/ChineseDrill1.wmv