Author Topic: trunnion straps (Read 3771 times)

LivnDream · « **on:** July 28, 2007, 04:03:37 PM »

can anyone point me to a thread on making trunnion straps

Rickk · « **Reply #1 on:** July 28, 2007, 04:09:33 PM »

Hi LivnDream...

What diameter trunion, what are you makin, and how "traditional" do you want to be?

Rick

LivnDream · « **Reply #2 on:** July 28, 2007, 04:14:04 PM »

3/4 and 1.5 couldnt find the tread on making them

LivnDream · « **Reply #3 on:** July 28, 2007, 04:15:01 PM »

sorry for a mortar on a sled base

lance · « **Reply #4 on:** July 28, 2007, 04:49:30 PM »

have you looked at the top of this board? 4th down from top:How TO Build............

LivnDream · « **Reply #5 on:** July 28, 2007, 05:08:25 PM »

thanks but thats not the one i was looking for

there was post showing using tube but i cant find it

Rickk · « **Reply #6 on:** July 28, 2007, 05:39:39 PM »

for what it's worth, this one is made of tube: http://www.gboreloaded.com/forums/index.php/topic,115820.120.html

Not much to it... find a tube that fits, weld a couple of ears on it, and you are done.

There are charts of various tubing sizes on the net. Black iron, schedule 40 both are possibilites that I have used.

The one in the linked thread are 360 degrees of tube. I have also cut tube in half to make something closer to traditional. If you look back further (page 2 I think) in the same thread you will see something like that.

Tropico · « **Reply #7 on:** July 28, 2007, 05:40:52 PM »

Here is a quote from a thread called "backyard cannon fun" You should rifle thru this stuff pretty fun., any way here is the way i do it on a 1" trunnion., but you can do it this way with any size pipe that fits your trunnion.

Quote

Trunnion cap bending technique aye?
For me its easy., I am using a cut piece of 1" water pipe in half for its length. then set it on the trunnion with the cannon in place., If its good its good..., if its not., I hold the piece of water pipe with a vise grip and grind it until it does fit., then I have a piece of steel welded on either side., then I drill the steel ..., then set the cannon and the cap in place and I can then drill the wood a bit for bolt hole location.

Tropico · « **Reply #8 on:** July 28, 2007, 06:03:21 PM »

For outdoor usage I do use a tube (Pipe) I usually weld a cover over the outside then grind it down pretty...., then weld the ears on where she lays ., and packem' full of grease., otherwise there gonna rust . that's of course if your using steel on steel or Iron.

Here is a small set of what I mean.

Full Pipe.

Half Pipe.

And Full Pipe.

I hope this helps.

lance · « **Reply #9 on:** July 29, 2007, 08:23:28 AM »

Tropico, those look so good, that you should post them on the how to build page.......

Tropico · « **Reply #10 on:** July 29, 2007, 08:44:21 AM »

Oh thats not up to me lance., DD and Cat can have any and all photos I got tho for this sort of thing., here is a little documentary on a 1" bore 6 pounder I built you might find this fun to look at. I was trying to build Low-Riders out of them...., toys really. http://tropico.ph/Gallery/Building-small-ordinance .

Also here is a Sled I made for my Bronze Mortar Powder Keg built for me. It too has 1/2 pipe trunnion caps ., I wanted these a little differant so we welded some 7 1/16' rod onto the trunnion cap ends.
http://tropico.ph/Gallery/Coehorn-Mortar?page=1
Be sure to click the thumbnails for large detailed photos.

Listen to all of us..., We sound like a bunch of hungry children.....,Hey Rickk can you pass the milk I am having a bowl of trunnions with my toast.., How about you Lance..., "oh no thanks Rich" "I'll just grab a Trunnion-Bar on my way out the door.

lance · « **Reply #11 on:** July 29, 2007, 08:51:47 AM »

Tropico, loved the pictures........my favorite is on page 5, the very well armed pirate

Rickk · « **Reply #12 on:** July 29, 2007, 08:59:28 AM »

Personally Tropico, I have been absorbing Spar Varnish thru my skin as a dietary suppliment for the last 6 weeks.

I put a final coat on this morning and put the can away.

I wonder if spar varnish withdrawal is treatable?

LivnDream · « **Reply #13 on:** July 29, 2007, 04:26:21 PM »

Tropico, great pics

EL Caz 66 · « **Reply #14 on:** July 29, 2007, 04:40:13 PM »

Love all pictures , especially of mortars I would call them Davie & Goliath.. Good show Man.. Thanks! Ed

LivnDream · « **Reply #15 on:** July 29, 2007, 04:43:06 PM »

thanks everyone was a big help

Tropico · « **Reply #16 on:** August 01, 2007, 11:58:17 AM »

Quote

Personally Tropico, I have been absorbing Spar Varnish thru my skin as a dietary suppliment for the last 6 weeks.

I wonder if spar varnish withdrawal is treatable?

It is but you will need therapy ..., and you'll have to have a daily allowance of Iron (about 500lbs daily ) if you expect to get thru this. Keep us posted

*Oh avoid any and all lead *

lance · « **Reply #17 on:** August 01, 2007, 01:07:36 PM »

Rickk you could try one of Tropico's breakfast trunnion-bars with a side of GRAPE............

Tropico · « **Reply #18 on:** August 01, 2007, 01:50:15 PM »

Lance and El Cazadors favorite pic from the 1/3 scale build pics...., much like a "Salad Shooter for Lead"......, these are "Grape Shooters"

Listen to Lance...,Trunnion-Bars are more healthy and wont require the additional therapy that Dietary Lead would.

lance · « **Reply #19 on:** August 01, 2007, 03:44:57 PM »

Tropico, i'm thinking of a business venture. maybe we could market breakfast trunnion bars. even have a flashy wrapper with a pirate picture for the trademark. i know just the one to use.......think about it, gunners around the world could start their day off right............

Rickk · « **Reply #20 on:** August 01, 2007, 04:27:39 PM »

The could maybe be chocolate, and filled with 151 Bacardi Rum?

Terry C. · « **Reply #21 on:** August 02, 2007, 12:42:40 AM »

.. and saltpeter?

Rickk · « **Reply #22 on:** August 02, 2007, 01:09:48 AM »

Sulfur too... that way we would have that sulfur smell leaching out our pores all day without even fired a shot