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Old 01-12-2011, 06:15 PM   #21
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RE: How high are your railings?

Quote:
Marin wrote:


In my opinion*the Elco PT is one of the best looking boats ever made.* They are a favorite of present day naval architect Tom Fexas who patterned a number of his designs on their hulls including his "Midnight Lace" series (second photo).



-- Edited by Marin on Wednesday 12th of January 2011 05:42:31 PM
Marin, Tom Fexas also used the Elco commuters and rum runners for inspiration for the Midnight Lace.* One of the reasons the Midnight Lace would have no bow rails was that they had a front cockpit for handling the anchor and bow lines.* He thought that long hull with*narrow beam with flatter runs aft made for greater efficiency.

*
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Old 01-13-2011, 01:12 AM   #22
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RE: How high are your railings?

Quote:
Marin wrote:

The WWII photo shows PT557, one of the later Elco 80-footers. Note the 37mm on the foredeck with the "airplane" magazine. The gunner beside him on the port side is manning an Oerlikon 20mm cannon.
I always wondered what the difference is between a gun and a cannon.* Seems planes had both..............Arctic Traveller

*
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Old 01-13-2011, 04:20 AM   #23
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RE: How high are your railings?

Was aboard a Huckins version of the Pt boat and it had great performance.

A pair of 6-71 gave 1K per 100 rpm.

1400 rpm 14K 1800 18K , and so on.

Not sure the boat could be marketed today as it was very spartan , even the dining table and chairs were in light weight aluminum!

With todays requirements for "comforts" the boat might gain many tons and the hull construction now would not be much lighter than their fine wood layup.
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Old 01-13-2011, 08:29 AM   #24
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RE: How high are your railings?

A quick Google search seems to indicate that guns fire "solid" projectiles (bullets) while cannons fire explosive rounds. Since some "weapons" can fire either, the definition gets blurred.
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Old 01-13-2011, 10:30 AM   #25
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RE: How high are your railings?

Quote:
ARoss wrote:

A quick Google search seems to indicate that guns fire "solid" projectiles (bullets) while cannons fire explosive rounds. Since some "weapons" can fire either, the definition gets blurred.
My impression has been it was the diameter of the projectile.* Half-inch (50 caliber) was the maximum size for a gun and larger was a cannon?

*
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Old 01-13-2011, 01:46 PM   #26
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RE: How high are your railings?

Quote:
FF wrote:

Was aboard a Huckins version of the Pt boat and it had great performance.

Huckins built a boat for the PT competition just prior to WWII. It was a beautifully made boat but it*was crap as far as the PT mission was concerned.* Too heavy and too slow.* All the WWII*PTs were powered with the same engine, the Packard Marine 4M-2500.**Like the Elco and Higgins*PT boats, the Huckins had three of them but they were still not enough to let the boat get out of it's own way.* The Navy ordered*40 of them just to spread the*money around but they were never used in combat.* They were mostly used for training or simply not used at all.*

Huckins may have built other successful*craft for the Navy over the years, but their entry into the PT boat competition was a loser.
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Old 01-13-2011, 01:52 PM   #27
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RE: How high are your railings?

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Arctic Traveller wrote:

I always wondered what the difference is between a gun and a cannon.* Seems planes had both..............Arctic Traveller
The explosive vs non-explosive projectile makes some sense. However terms get blurred.* For example, all the primary weapons on a battleship are called guns.* Fifteen inch gun, sixteen inch gun, eighteen inch gun.* I have read a LOT of books about WWI and WWII navies and the term "cannon" is never used in reference to these weapons, which most definitely fired explosive shells.

I have an original copy of the 1943 Bluejackets Manual at home.* I bought it as research material for the book I am currently writing.**The*1943 edition is*the largest Bluejackets Manual ever produced--- over 1,000 pages--- and contains everything from how to navigate your ship to how to retrieve a spotter floatplane to how to sight guns on a target to medical procedures.* If I remember I'll check it to see if it provides any definitions of "gun" and "cannon."

*
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Old 01-13-2011, 03:08 PM   #28
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RE: How high are your railings?

then on land you have mortors, recoiless rifles, howitzers, etc.* They will all kill you.
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Old 01-13-2011, 03:38 PM   #29
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RE: How high are your railings?

Are "cannons" muczzle loaders?
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Old 01-13-2011, 04:19 PM   #30
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RE: How high are your railings?

Quote:
Moonstruck wrote:

Well, I guess this thread has already been hijacked.* So here is a little story*I awoke one morning in my slip*at the Morehead City Yacht Basin.* A 31' Uniflite was in the Hatteras Factory slip next to me.* A couple was on it, and soon were moving about.* When we introduced ourselves, I asked how James, the dock master, had put them in the Hatteras slip.* The gentleman said that he was the new president of Hatteras Yachts.* I believe AMF/Brunswick owned them then.* I said that he was on a Uniflite.* He said that it was his personal boat.* That it was the same hull used on the Vietnam river patrol boats.* I asked about a huge round cover on the bow in place of a bow hatch.* He said that was how he came to have the boat.* He had been president of Colt Arms, and they made the twin machine gun mount that fit in the bow.* This boat was their test bed.

Life is sure interesting on the Atlantic ICW.
THAT. IS. AWESOME.

*
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Old 01-13-2011, 04:58 PM   #31
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RE: How high are your railings?

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Are "cannons" muczzle loaders?
If you mean are cannons defined by being muzzle-loaded, the answer is no.* For example the cannon that were mounted on P-39s, Bf-109s etc. that fired through the propeller hub proved to be very difficult (and dangerous)*to muzzle load, particularly during flight
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Old 01-13-2011, 05:07 PM   #32
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RE: How high are your railings?

Quote:
Marin wrote:... the cannon that were mounted on P-39s, Bf-109s etc. that fired through the propeller hub proved to be very difficult (and dangerous)*to muzzle load, particularly during flight
While US flyers disdained the P-39's cannon (were heavy and often jammed), Russian pilots loved it.* The Russkies must have been fond of muzzle loaders.*

*
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Old 01-14-2011, 09:21 AM   #33
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How high are your railings?

Quote:
Marin wrote:If one is going to be doing actual work on the bow of a boat--- deploying and retrieving the anchor, rigging a snubber, manipulating lines and fenders as I described above--- a sturdy rail system is a major contributor to the crew's safety no matter what it might do to the appearance of the boat.
Couldn't agree more.*
Since 1995, I have done little else than mess with bigger boats. All kinds of boats.
When attracted to a particular boat, I have trained myself to ask"why do I
like this boat?"* The answer is usually centered around the "look" of the boat
followed by the "function." Although I have seen all kinds of boats that I would
be pleased to own, it's the "Down East" look that gets my blood up, closely
followed by the ease (function) of operating said boat. Safety is a very close
third (I know...it probably should be * first) but since it doesn't occupy that position
when picking out a car or a house, why should it be paramount when selecting my
boat? Since my wife is the one that normally goes forward for the anchor detail, I
must have as much protection for her as is reasonable. A sturdy rail system makes
the most sense and is a definite "must have" on my list of wants.

(Note* This is my attempt to get back on the thread subject.


*




-- Edited by SeaHorse II on Friday 14th of January 2011 10:34:37 AM
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Old 01-14-2011, 11:23 AM   #34
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RE: How high are your railings?

As you often say Walt * * ..I couldn't agree more.*

But they usually don't look good.
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