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Author Topic: SS Ohio tanker build, Pedestal convoy.  (Read 143527 times)

unbuiltnautilus

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SS Ohio tanker build, Pedestal convoy.
« on: November 13, 2010, 01:12:14 PM »

Hi people,
My first post on Mayhem. As a member of the Portsmouth Model Boat Display Team I thought our new build would be of interest. A large scale effects model of the Texaco tanker, SS Ohio. This is being built as a simplified model in the style of those great Glynn Guest designs, only its 98" long! Only one piece of plywood cut so far, photos to follow.
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pugwash

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #1 on: November 13, 2010, 01:47:53 PM »

Are you going the whole way and modelling it as she came into Malta after the Op Pedestal convoy with a destroyer
tied to each beam to get her safely into harbour - now that would be quite a model.
Geoff
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unbuiltnautilus

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #2 on: November 13, 2010, 05:04:48 PM »

The other members are supplying the destroyers, I just have to work out how to manouever them into position. Velcro anyone?
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offshore1987

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #3 on: November 13, 2010, 08:33:01 PM »

Cant wait to see the build :) ( also from portsmouth )
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unbuiltnautilus

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #4 on: November 15, 2010, 01:27:59 PM »

Hi everyone.
Day two of the build. The model is designed to break into three for transport. It is also designed with a reduced draught ( by almost 4" ) to reduce its all up weight. Thanks to yesterdays helper monkeys for all their help.











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farrow

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #5 on: November 15, 2010, 09:49:48 PM »

When I was at Glasgow maritime university, my tutor was the RN fellah who received the VC for salvaging the Ohio. He was a truly lovely unpretentious charactor, his party trick was to run into the room and leap with both feet onto a desk with his hands out, does not sound much, but the desk was pushed up to a full length glass window on the 10 floor, he would afterwards with a mischievous grin remark that one day he might slip and at 65 years he ought to stop doing it. He was at the time of the Ohio incident C O of a fleet minesweeper, which he put alongside of the tanker and supervised the salvage of it, I might add he was a merchant navy master in the RNVR who was called up for the duration.
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yorkiej

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #6 on: November 16, 2010, 01:00:37 AM »

Well done for taking on a very big project.
The last photo shows some very nice clean woodwork and I look forward to watching the build with great interest.
Well done so far.
Cheers
John
 :-)) :-)) :-)) :-))
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dreadnought72

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #7 on: November 16, 2010, 10:20:37 AM »

I see what you mean, unbuiltnautilus - that's a Glynn Guestian build on steroids all right!

Looking forward to more!

Andy
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offshore1987

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #8 on: November 16, 2010, 10:24:45 AM »

When do you think she will be ready for the lake?
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unbuiltnautilus

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #9 on: November 16, 2010, 11:08:10 AM »

Hi, we are hoping to slap a coat of varnish on her and see if she floats on Sunday!!! Seriously though, the aim is to get her on the water for May next year...
or there abouts anyway.
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SteamboatPhil

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #10 on: November 16, 2010, 12:06:42 PM »

Only 98 inches long...you boys are slipping.
Good build thread keep it up, will you be bringing up to the Mayhem weekend next year ? (28th &29th May)   :-))
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unbuiltnautilus

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #11 on: November 16, 2010, 12:18:52 PM »

We get lost much north of Guildford, we miss the sea air!!
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unbuiltnautilus

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #12 on: November 16, 2010, 04:36:22 PM »

Where is the event held? Always looking out for a new venue and I keep hearing good things about the event.
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snowwolflair

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #13 on: November 16, 2010, 05:35:04 PM »

The other members are supplying the destroyers, I just have to work out how to manouever them into position. Velcro anyone?

Magnets with a field coil to disconnect.  Like the security doors.
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unbuiltnautilus

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #14 on: November 16, 2010, 05:44:12 PM »

I like your thinking, positive control. However, would this be a possible cause of interference to either 40mhz FM or 2.4G radio equipment? One for the experts I feel.
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unbuiltnautilus

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #15 on: November 25, 2010, 05:08:47 PM »

Days 3 and 4 of the build. The model is divided into three sections; Stern, containing radio control equipment, motor, batteries, possible sound system etc. Midships, containing the control box for the flashes, bangs and smoke. This section is to be fitted with two marine bilge pumps, to allow the model to ballast down to decks awash in a similar way to the real SS Ohio as she entered the safety of Malta, battle damaged and barely afloat. Bow, at the moment, probably just a water tight bouyancy compartment.
As you can see from the photos, a number of members are getting involved with the build, and our momentum hasn't faded yet!
The model is being built out of 8mm ply and we are trying out the new 'foaming' glues no the joints. The joints are screwed and glued, a neccesity with this expanding glue. The one we are using dries in 30 minutes, but reaches full strength in 24 hours. It takes a lot of sanding down! It is ideal for structural work, but I wouldn't use it to glue down deck fittings as they will end up on top of a little yellow hill!!













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Yarpie

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #16 on: November 25, 2010, 10:25:09 PM »

Re clagging two destroyers either side.

Assume scale of all three vessels is 1:72 ish, and that beam of destroyer is 6", perhaps two submerged 'outriggers' could be attached to OHIO's hull (one third the way back from bows) and both destroyers could manoeuvre their bows up to them?  Outriggers would need to be swept back to avoid drift-off while underway and destroyers could then push their charge. :-)) All the better if she is ballasted down to "gunwhales awash".  Need to be careful of destroyers raked bows riding up on the outriggers though......  %)

I wanna witness this when it happens!

Good luck!
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unbuiltnautilus

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #17 on: November 26, 2010, 01:51:27 PM »

Hi Yarpie,
We are planning some sort of outrigger design, possibly with some sort of connection point under the hulls of the destroyers. I'm not sure how to interpret the swept back bit of your suggestion, but it has me thinking about something hinged back in the flow of the water, that will deploy when the model stops or reverses slowly.
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Yarpie

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #18 on: November 26, 2010, 03:04:48 PM »

Hi unbuiltnautilus,

my suggestion of slightly sweeping back the outriggers is primarily to keep the destroyer's bows tight to OHIO's hull. If the outriggers were to extend at 90 degrees to the hull then the "attached" destroyer may veer-off. Once the bows are in "fixed" position then the rudders can do the rest. Presumably this evolution is part of a display so any detachment at the wrong moment may detract from that display.

I have seen some of the displays that you Portsmouth guys put on and they are truly world class.

Good luck on this venture, it's pretty ambitious. The build is coming along fine too. :-))

Any other ideas out there on how to achieve this iconic arrangement?

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triumphjon

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #19 on: November 26, 2010, 09:33:19 PM »

formation driving by well practiced members id hope ?
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Yarpie

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #20 on: November 27, 2010, 10:08:49 AM »

Another idea may be a small recessed area with rail on the gunwhales of the tanker. Hooks fitted at the foc'sle break on each destroyer could be fashioned to connect with the rail.  Problem with this is that if the tanker was to inadvertently sink, escorts would go under too! Tears at bedtime!

Where's Barnes Wallis when you need him? %)
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unbuiltnautilus

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #21 on: November 27, 2010, 03:12:35 PM »

formation driving by well practiced members id hope ?
Formation driving works best when there are one or less models involved on the water, at a time. :}
The radio involved with the bangs and flashes side of the model is a Planet T5, shown below, slightly modified. Will this invalidate the warranty?!

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unbuiltnautilus

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #22 on: November 27, 2010, 03:24:27 PM »

Build Day 5.
Most of the work today involved the locator 'keyways' bonded to the bulkheads between sections. These aid in the successful location of the three parts of the model ( along with M8 stainless nuts, bolt and washers. ). More Baffles/Deck Supports for the midships section, and the securing of the foredeck and small deck section in front of the bridge. This has 2 rectangular holes cut into it to allow access to the forward bolts that will hold the model together. The foredeck went on slightly crooked, so this is being forced horizontal by 2 timber supports until the Polyurethane glue goes off fully, nobodies perfect!! A 34" Crash Tender is posed for scale in one of the photos., a fellow members latest restoration job, looking very good so far.









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Subculture

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #23 on: November 29, 2010, 08:14:36 PM »

Will this invalidate the warranty?!




I would be inclined to say yes.

unbuiltnautilus

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Re: SS Ohio tanker build, Pedestal convoy.
« Reply #24 on: December 02, 2010, 11:43:53 AM »

Day Six, no sign of rescue, we keep looking for a ship but....
Back to the build.

A blur of activity at the stern, as propshaft and rudder installation begins.

This is not a caption competition! Comment removed to avoid offence..

Bow section receives a mid-deck.

While working diligently on the stern section, my fellow members decided to include the option to fit a second propshaft just below the first, 'if I needed a bit of extra power' is what they told me!

The bow section has its upper deck screwed down, a battle of wills over who will finish first, electric or manual screwdriver man..



The finished bow assembly and stern section showing the blower motor temporarily fitted, next job, the bulkhead joints..
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