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D 629

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Bob Butcher View Drop Down
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    Posted: 12 February 2008 at 12:05pm

I am building a model of the above boat and have encountered a problem with deck detail.   I believe there should be a section of timber which runs across the transom, mitred on the corners and runs forward up the port and starboard sides of the deck which sits on top of the top rubbing strake and consequently onto the deck by a small amount.   If this is so does this timber run all the way to the prow or does it stop at certain frame number?   Just inside this section of timber there is another section which copies it but this has the stanchions interspersed along it's length.

Hope somebody out there can help.

Bob

Bob
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Christian View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Christian Quote  Post ReplyReply Direct Link To This Post Posted: 12 February 2008 at 9:12pm

Hello Bob

I presume you mean MTB 629, a Fairmile D. These boats all had an external doubler strake fitted as a result of some structural failures in extreme weather, they ran from just in front of the aft towing plates to a point just forward of the exhaust outlets, underneath the rubbing strakes (above the portholes). The thin strips on the decks between the stanchions were toe-rails, these ran all around the boat. The fitting of the doubler strakes is mentioned in LC Reynolds book MGB 658.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bob Butcher Quote  Post ReplyReply Direct Link To This Post Posted: 15 February 2008 at 11:24am

Hello Christian,

Thanks so much for your reply, unfortunately I could not have been clear enough in my explanation of the information I require re the Fairmile D 629.   From the photograph of MTB 629 on pages 40/41 of John Lamberts book "The Fairmile D" Motor Torpedo boat there appears to be a section of timber (approx. 5" in width and 2" thick) across the stern and running forward along the starboard and portside edge of the deck and overlapping the top mahogany rubber.   Am I correct in this assumption and, if so, does this timber section go to the prow and if not at which frame number forward does this section of timber stop?   The thin strips between the stanchions sit a bit further in deck from the section I am querying.

Any advice you can give me will be much appreciated so that I can get on with the construction of my model.

Regards, Bob

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Pioneer View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Pioneer Quote  Post ReplyReply Direct Link To This Post Posted: 15 February 2008 at 12:30pm

Hello Bob - welcome aboard.

If I may add just a little here - are you referring to the top most rubbing strake? - if so, page 36 of the said book shows that it proceeds up to the Scallop, then turns down to the Chine, (the 'line' continuing to the Prow after the 'scallop') but the 3D drawing on page 58 shows a quite substantial 'overlapping' piece of timber (from the Stern) that ends at the aft of the Scallop.



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Bob Butcher View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bob Butcher Quote  Post ReplyReply Direct Link To This Post Posted: 15 February 2008 at 1:12pm

Hi Pioneer,

Thanks for your posting.   You seem to understand the problem clearly but as MTB 629 has no scallops would the 'overlapping' piece of timber continue further forward as far as the prow and, if not, at which frame number forward would it end?

Hoping you can advise.

Many thanks, Bob

 

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Pioneer Quote  Post ReplyReply Direct Link To This Post Posted: 15 February 2008 at 2:05pm

Are you sure that 629 had no Scallops? As I was under the impression that the early boats only (601-616) were constucted with out (those figures are also repeated on page 9 )

 629 I believe had 21in Tubes requiring the higher mounting (as clearly shown in the photo) but I'll dig a little deeper - maybe Christian can advise here?

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Christian View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Christian Quote  Post ReplyReply Direct Link To This Post Posted: 15 February 2008 at 7:04pm

Hi Pioneer

629 was one of the very last boats built without scallops. As you say, the piece of wood running along the top of the transom is simply the upper rubbing strip, which runs all the way around the boat. The heavier doubler (not shown in the photo referred to above, as not yet fitted) ran from ahead of the side-mounted towing plates to a point just ahead of the exhaust ports as mentioned. There are, oddly enough, no photos showing them in "The Anatomy..", go to www.photoship.co.uk and search using MTB as the keyword, there is a wealth of photographic material there. The aft view of P 3050 (ex MTB 5010) shows the doubler particularly clearly.

This is the page in question;

http://www.photoship.co.uk/JAlbum%20Ships/Old%20Ships%20M/in dex10.html

 



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Post Options Post Options   Thanks (0) Thanks(0)   Quote Pioneer Quote  Post ReplyReply Direct Link To This Post Posted: 15 February 2008 at 7:36pm
Many thanks for that link Christian -that does illustrate the 'mod' clearly. I have since found, in John Lambert' and Al Ross' Volume 1 of Allied Coastal Forces of WW2, a line drawing of 629 without the 'Scallops' (top of p 114) but again without the 'mod'. Hope all this helps Bob with his build - can you show your progress Bob, with a few shots? 
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tramontana View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tramontana Quote  Post ReplyReply Direct Link To This Post Posted: 15 February 2008 at 9:05pm
Do you think it is extra protection for dropping side depth charges?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Christian Quote  Post ReplyReply Direct Link To This Post Posted: 15 February 2008 at 9:38pm

Hi Tramontana

For extra strength, according to LC Reynolds "Gunboat 658", but come to think of it the extra heavy duty aft sections of the rubbing strips on HDMLs where the heavy depth charges went were surely for added strength too, the roll-off racks surely directed the canisters directly over the side without the need for any protection? If anything, it would have got in the way wouldn't it?

An interesting question whichever way you look at it.

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