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Topic: Sort of review of Merit PT Boat in 1/48 |
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Tracy White
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Posted on: Sep 26, 2014 - 6:20pm
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This is either PT-120 or 140, but is most likely PT-149:
We know from this image that the 149 boat was planked.but that picture's of no help. PT-120 was the other boat at Nassau Bay that day, and from what we can see in this photo, she didn't have a gun that large on the bow. Port deck edge on the embeded photo looks like it *could* have carriage bolts on it, but it's not clear enough for me to say either way.
Tracy White
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David Waples
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Posted on: Sep 26, 2014 - 9:46pm
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Some sort of hardware for sure Tracy. I was just looking at a photo of the 157 boat with a very clear photo of the deck edge and there's no sign of hardware.
I did enjoy the photo of the anti-tank gun. JFK wasn't the only one that thought about putting these guns to use. I've read that they weren't very popular and were replaced by the quicker firing 37mm Oldsmobile cannons. I found at least one photo that has that same guns sight as in the photo you provided and another with a different mount. So we probably had at least 3 boats that included this gun at least for a while.
Thanks for sharing Tracy.
Dave
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Michael Vorrasi
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Posted on: Sep 27, 2014 - 9:56am
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Early on, the 108 had a 37mm anti tank gun in a similar home-made mount as Tracy's photo. (Not the same one though.). So the 108, 109 and whatever boat that is in Tracy's photo make at least three so far. Something is bugging me about Tracy's shot. I think the photo is reversed, printed from a flopped negative. The recoil guard on the 37mm should be on the right side of the breech. In this shot it is on the left.
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David Waples
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Posted on: Sep 27, 2014 - 5:18pm
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Hi Mike,
Actually the should guard should be on the left side. At least that's how it is on every picture I've seen of them. It's an interesting weapon to model though. If I ever do another 109 I think I'm going to leave it off. :-)
Dave
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Michael Vorrasi
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Posted on: Sep 29, 2014 - 11:01am
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Hi David,
Yep, you are right! I found this site: http://www.ww2gyrene.org/weapons_37mm.htm .and it is indeed on the left side. That makes it a bit of an oddball in US artillery pieces. Normally, the loader was on the left and shooter was on the right. On the 37mm, it was reversed. I never realized that. I found a few others that also had the loader on the right side, but normal set up, as in most tanks, is for the loader to be on the left The Marines also had an airborne version. Note the second photo down!
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Tracy White
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Posted on: Sep 29, 2014 - 3:00pm
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So, I guess my question is, "what source states the doubler plank and carriage bolts were only on later boats that weren't planked?" Can that source be trusted, or is there evidence that there may have been a transitory period where the planked boats also had this feature?
Tracy White
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Jeff D
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 Posted on: Sep 29, 2014 - 4:57pm
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What's a doubler plank?
I posted a section of an Elco drawing showing carriage bolts were used on plank decked boats, see the previous page.
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Tracy White
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Posted on: Sep 30, 2014 - 8:20pm
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OK, my bad, it's just labelled a "doubler" and not a doubler plate or plank. But, if you want to be precise, your drawing is not on the previous page.
Additionally, if you are talking about this drawing it says nothing about planks; the decking is labelled as plywood. I have read that these doublers and carriage bolts were only installed on planked decks and not on plywood decks and this is what I am seeking either clarification or a re-examination of.
The bow photo I posted earlier shows a regular pattern at the deck edge that could be the heads of carriage bolts, but it is clearly a planked deck and not plywood. Given the evolution of design in the US Navy in general, is it possible that there was a transitional number of boats that were planked and did have the doubler and carriage bolts as well?
Tracy White
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Will Day
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Posted on: Sep 30, 2014 - 10:06pm
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Do you think the bolts were green or grey?
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Frank Andruss
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Posted on: Sep 30, 2014 - 11:56pm
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lol Will.
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