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Author Topic: 40 mm guns  (Read 7624 times)
Tom Bowser
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« on: March 10, 2008, 08:13:25 PM »

Does anyone out there have a good photo of the hand cranks on a 40 mm gun for the elevation and traverse cranks?
Tom Bowser
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Travis McLain
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« Reply #1 on: March 10, 2008, 10:11:09 PM »

Not sure how good you can see this but here you go:

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« Reply #2 on: March 11, 2008, 11:49:30 AM »

The Batfish is missing those on her 40mm, as far as I can remember.
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Mark Sarsfield
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Tom Bowser
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« Reply #3 on: March 11, 2008, 06:53:30 PM »

Thanks Travis, thats a help.
Tom Bowser
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Travis McLain
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« Reply #4 on: March 11, 2008, 07:43:33 PM »

No problem, I just grabbed a book I have on the fleet subs and scanned it on the computer.
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"Uncommon Valor Was A Common Virtue" Adm. Nimitz on the Marines at Iwo Jima.

"USS Batfish relentlessly tracked down the enemy and in three separate, brilliantly executed attacks, launched her torpedoes with devastating speed and skill and demolished three Japanese submarines."
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« Reply #5 on: March 15, 2008, 04:59:51 PM »

See the 2nd picture down in this thread:

http://www.submarinemuseums.org/forum/index.php?topic=49.0

That's the Cobia's setup.  Looks like the TBT is on the gun?
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Travis McLain
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« Reply #6 on: March 15, 2008, 07:05:56 PM »

See the 2nd picture down in this thread:

http://www.submarinemuseums.org/forum/index.php?topic=49.0

That's the Cobia's setup.  Looks like the TBT is on the gun?

No, the TBT is behind it on a stand, but the 40MM is blocking the view of the stand.
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"Uncommon Valor Was A Common Virtue" Adm. Nimitz on the Marines at Iwo Jima.

"USS Batfish relentlessly tracked down the enemy and in three separate, brilliantly executed attacks, launched her torpedoes with devastating speed and skill and demolished three Japanese submarines."
Tom Bowser
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« Reply #7 on: March 26, 2008, 08:02:46 PM »

Here is a photo of the 40mm cranks we completed today. Thanks for your help.
Tom


* New 028.jpg (519.02 KB, 1280x960 - viewed 433 times.)
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Mark Sarsfield
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« Reply #8 on: March 26, 2008, 08:15:12 PM »

Did you make that from scratch?  Got any prints?
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« Reply #9 on: March 26, 2008, 08:27:10 PM »

Those look really nice. Hope ours can look like that someday.
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"Uncommon Valor Was A Common Virtue" Adm. Nimitz on the Marines at Iwo Jima.

"USS Batfish relentlessly tracked down the enemy and in three separate, brilliantly executed attacks, launched her torpedoes with devastating speed and skill and demolished three Japanese submarines."
Tom Bowser
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« Reply #10 on: March 26, 2008, 08:36:48 PM »

From scratch, no prints and hardware off the shelf on the target, the long arm is 3/8" steel cut to shape with a torch and smoothed with a grinder, the handles are about 5" long about 2" dia. threaded connectors (9/16 threaded hole used just because it was the right size) welded washers on each end, used 5/8" anchor bolts to hold handles. took about six hours to make up the two sets.
Tom
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Travis McLain
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« Reply #11 on: March 26, 2008, 08:39:32 PM »

That is great for made from scratch Tom!
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"Uncommon Valor Was A Common Virtue" Adm. Nimitz on the Marines at Iwo Jima.

"USS Batfish relentlessly tracked down the enemy and in three separate, brilliantly executed attacks, launched her torpedoes with devastating speed and skill and demolished three Japanese submarines."
Tom Bowser
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« Reply #12 on: March 26, 2008, 09:08:02 PM »

Thanks,
Lesley did most of the grinding to make them look good, I stick things together and she pretties them up, She is learning how to weld also so we are becoming quite a team.
Tom
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MWALLEN
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« Reply #13 on: April 06, 2008, 11:45:10 AM »

Quote
Here is a photo of the 40mm cranks we completed today.

Tom - that photo will help me.  If you have any more, please forward them via email to ussbatfish@yahoo.com

Also, does anyone have any schematics/drawing/high quality pictures that they can't point me to?

Any help is appreciated.

Mark
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Rick
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« Reply #14 on: April 06, 2008, 02:09:51 PM »

Tom,
Thank you from the batfish.  Again i cannot stress enough how great it looked to see the 40 mm moving again. 
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