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-   -   Subsim Higgins PT-Boat Model contest (https://www.subsim.com/radioroom/showthread.php?t=193766)

nikimcbee 05-01-12 05:19 PM

Yes, the Higgins and the Elco are going to be playable.:D
Hopefully there will be four versions:
Early and late war Higgins and Elco. It will be really cool if we can get the late war, slide off (roll off) mark XIII torps.

Who wants to make the Mark XIII torps?:hmmm::D

peabody 05-02-12 01:45 PM

Quote:

Originally Posted by nikimcbee (Post 1878351)
Yes, the Higgins and the Elco are going to be playable.:D
Hopefully there will be four versions:
Early and late war Higgins and Elco. It will be really cool if we can get the late war, slide off (roll off) mark XIII torps.

Who wants to make the Mark XIII torps?:hmmm::D

Well I am a bit in the dark as to your intentions for this mod and what has been done and what needs to be done. So I try to help by answering questions.
As for making a Mark XIII torp. You can not create a NEW torpedo, you must edit an existing one. (unless someone has found info that I am not aware of). So if this is a MOD in itself there is no problem creating a XIII but if it is to be part of another MOD or stock where one can choose to use a sub, then the XIII will be changed for all of the other subs/ships also.

The info I find says the Higgins Pt used mark 8. Did you mean VIII? The mark XIII was an air dropped torpedo.

I have not yet found any info on the mark 8.

Peabody

Madox58 05-02-12 02:03 PM

The later Boats went to the MK XIII believeing the Gyros were better able to handle the drop into the water from the slide off launchers.

peabody 05-02-12 04:39 PM

Quote:

Originally Posted by privateer (Post 1878837)
The later Boats went to the MK XIII believeing the Gyros were better able to handle the drop into the water from the slide off launchers.

That makes sense since it is being dropped. I didn't find that info, thanks for the explanation.

Peabody

nikimcbee 05-02-12 05:16 PM

Some things to consider regarding torpedoes:
Mk8s were WWI torps and weren't good torps either:shifty::dead:. They required the tubes to launch them, which added a lot of weight to the boat. There was also a muzzle flash when the torp was fired.

The mk13 had several advantages: The navy had a lot of them and they didn't require the tube to launch, which ment the boats were now ligher, so they went faster.:rock:

yubba 05-03-12 04:48 PM

http://www.youtube.com/watch?v=adGs-RGss6Y

fred8615 05-03-12 05:19 PM

Quote:

Originally Posted by peabody (Post 1878828)
I have not yet found any info on the mark 8.

From NavWeaps


Bliss-Leavitt 21" (53.3 cm) Mark 8

Ship Class Used On Flush-deck destroyers

Date Of Design About 1914

Date In Service 1915

Weight

Mods 0, 1, 2, 2A and 2B: 2,761 lbs. (1,252 kg)
Mods 3A and 3B: 3,050 lbs. (1,383 kg)
Mod 8: 3,176 lbs. (1,441 kg)

Overall Length

Mods 0, 1, 2, 2A and 2B: 248 in (6.299 m)
Mods 3A and 3B: 250 in (6.350 m)
Mod 8: 256.3 in (6.510 m)

Explosive Charge

Mods 0, 1, 2, 2A and 2B: 321 lbs. (146 kg) TNT
Mods 3A and 3B: 385 lbs. (175 kg) TNT
Mod 8: 466 lbs. (211 kg) TNT

Range / Speed

Mods 0, 1, 2, 2A and 2B: 10,000 or 12,500 yards (9,140 or 11,430 m) / 27 knots
Mods 3A and 3B: 13,500 yards (12,340 m) / 27 knots
Mod 8: 15,000 yards (13,720 m) / 29 knots

Power Wet-heater

Guidance Mark 8 Mod 1 gyro

Notes: First 21" x 21' (53.3 cm x 6.5 m) USN torpedo. Later versions starting in 1923 - Mod 5, 6 and 8 - had much larger warheads. These torpedoes were still being used on older destroyers and PT boats during World War II. It is possible that a higher speed setting was available for the torpedoes issued to PT boats. This torpedo was supplied to Britain for use on Lend-Lease Destroyers in 1940. Torpedoes issued to Britain are listed as having a warhead of 380 lbs. (172 kg) TNT and a range of 14,000 yards (12,800 m) at 27 knots.

Bubblehead1980 05-03-12 08:49 PM

Quote:

Originally Posted by peabody (Post 1878342)
But isn't this going to be a playable rather that AI, so you could still use the targeting equipment. I know the AI torpspawner was not very accurate since it was actually a gun. It was a great idea, very clever.

Peabody

We were talking for AI controlled PT boats to fight battles along side the player, want them to be able to shoot guns and fire torpedoes

Madox58 05-04-12 01:38 PM

Quote:

Originally Posted by nikimcbee (Post 1878909)
There was also a muzzle flash when the torp was fired

Different sources say that the Tubes used compressed air only on the Higgins.
While the Elco's had compressed air with a back-up powder charge you'd hit with a mallet.

No matter what is actually true, (and I'd think all the ways mentioned actually were used at some point),

Failures/problems with compressed air/powder charge/old torps ended up with the slide off launcher and all the advantages.

Hylander_1314 05-04-12 08:59 PM

The other issue with the torpedo tubes that many a PT crewman talked about, was the flash from firing the torpedoes at night, giving away your position.

Madox58 05-06-12 02:26 PM

Not ready to render just yet but I've got the Bow reworked finally!
:rock:

It now has the proper rounding up to the Bow Cap.
Worried about smoothing issues in Game, I did a test import to SH4 and visually checked it with the somewhat proper Camo paint.

I'm perfectly happy with it at this point!
:D

I'm adding the transition to the flat bottom of the Keel now.
Once that's done, I'll add the exhausts and other parts I have completed and do a nice render.

nikimcbee 05-08-12 09:01 AM

Been away on my paintball holiday. One day of work then off to Boston for 5 days.

On a side note, I got some engine sounds recorded and the battlestations horn as well. We didn't "go out:-?", so I nee to record the engines while we're running.

Madox58 05-08-12 10:41 AM

Basic Hull with splash rail along chine, Rudders, exhausts, and bilge port in place.

http://i108.photobucket.com/albums/n..._2006/hull.jpg

Closer look at the exhaust area.
http://i108.photobucket.com/albums/n...6/exhausts.jpg

Turn table render.
http://www.youtube.com/watch?v=qqol6aFNz60&feature=plcp

I've got a Store to Demo in Dayton, Ohio.
May have to hit the Museum at Wright-Patterson while there.
:yep:

Alex 05-10-12 11:39 AM

Anyone got some pictures of the ship in the dockyard ?
I'd like to have a look at this part of the ship.

http://img11.hostingpics.net/pics/294302hop.gif

Alex 05-11-12 06:06 AM

http://img11.hostingpics.net/pics/624896BUMP.jpg

Please.

Sailor Steve 05-11-12 09:07 AM

Okay, that's really pushing the limits of what's acceptable here.

nikimcbee 05-15-12 12:19 AM

Back from holiday. Anything new?

Alex 05-15-12 03:45 PM

http://img11.hostingpics.net/pics/378025705.png

http://img11.hostingpics.net/thumbs/mini_907025601.png http://img11.hostingpics.net/thumbs/mini_737869492.png http://img11.hostingpics.net/thumbs/mini_397054523.png http://img11.hostingpics.net/thumbs/mini_756271864.png

http://img11.hostingpics.net/thumbs/mini_961636896.png http://img11.hostingpics.net/thumbs/mini_601640118.png http://img11.hostingpics.net/thumbs/mini_449266gif.gif

Privateer made most of it so far. He's responsible for the hull/keel - tricky job - exhausts and rudder. I've been taking care of the deck, what's on deck, propeller shaft brackets, reworked the chine splash rail and I just started working on the superstructure (or whatever it's called). Still an early WIP.

But still, I've not been able to find a picture showing how long that stuff is (the hydrodynamic part of the hull surrounding the propeller shaft). I'm used to do some very accurate modelling, but I'll have to guess how long it was, in fact. But that's nitpicking probably. :O:

Hylander_1314 05-15-12 07:25 PM

Lookin' great so far guys! Privateer & Alex are rockin'! :salute: :yeah:

Alex, the deck structure you're referring to is the day cabin. At least that's what the books and old PT Boaters call it.

Just a little note, remember the waterline goes straight to the bow. It doesn't follow the hull sides up. No reason to put antifouling paint above it.

Alex 05-16-12 08:05 AM

Quote:

Originally Posted by Hylander_1314 (Post 1884260)
Alex, the deck structure you're referring to is the day cabin. At least that's what the books and old PT Boaters call it.

Duly noted. Thanks for letting me know !
Quote:

Originally Posted by Hylander_1314 (Post 1884260)
Just a little note, remember the waterline goes straight to the bow. It doesn't follow the hull sides up. No reason to put antifouling paint above it.

This factor will be taken into account. Thank you for pointing out this detail, Hylander.

@ NikiMcBee : Do you have some pics showing the lower part of some gun turret, taken from the middle of the ship ?

http://img4.hostingpics.net/pics/17283662in.jpg


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