Marine Corps Naval cannon project #4: Trunnion mounts

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Blog entry by Trapper brandenburger posted 07-22-2016 10:37 PM 1249 reads 0 times favorited 4 comments Add to Favorites Watch
« Part 3: Cannon prep Part 4 of Marine Corps Naval cannon project series Part 5: Fitting hardware and mortising out crossmembers. »

Finally getting to some wood working today. I was able to cut out the radius where the trunion mounts will set. I cut lots of slits up to the radius line on our big band saw and then removed the excess with a jig saw that had a ten inch blade on it. Then smoothed it all out with a rasp and drum sander attached to a drill. Once the brass hardware fit the way I wanted it to I marked the holes and drilled them out part way on the drill press as it only plunges 6 inches. I went the rest of the way thru with a hand held drill.

Tip- I used bees wax on the drill bit every hole to reduce friction. It made a huge difference.

-- -Trapper

4 comments so far

View Mean_Dean's profile


7047 posts in 3950 days

#1 posted 07-23-2016 02:36 AM

That’s a big chuck of wood to be boring a hole in with a bandsaw!

Looking forward to the next installment!

-- Dean -- "Don't give up the ship -- fight her 'till she sinks!" Capt James Lawrence USN

View Trapper brandenburger's profile

Trapper brandenburger

18 posts in 1505 days

#2 posted 07-23-2016 11:43 AM

It’s a big band saw, LOL.

-- -Trapper

View cellp6123's profile


1 post in 1475 days

#3 posted 07-23-2016 12:23 PM

Its very big band. I like it

View splintergroup's profile


3855 posts in 2025 days

#4 posted 07-23-2016 01:21 PM

Great out-of-the-box thinking on how to cut that recess. That must have been a real workout controlling that tree on the bandsaw!

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