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British Power Boats 71.5ft MGB/MTB’s |
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alross2 
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Joined: 27 January 2005 Location: United States Status: Offline Points: 15 |
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 Posted: 12 February 2007 at 3:12am |
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A bit of confusion here, gentlemen. MGB 56 was a one of the 70' boats originally built for the French Navy as VTB23-40 and taken over by the RN as MGB 50-67. The Canadian manned boats were 71'6" MTBs, also built by BPB, while the Canadian-built MTB 332-343 were 70' types. The latter were very similar to the 70' MGBs in appearance. Al Ross
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Al Ross II
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jimmy p
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Joined: 26 September 2006 Location: United Kingdom Status: Offline Points: 283 |
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Posted: 12 February 2007 at 8:12am |
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Cheers Al! Anyone know her war record? |
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A boat is a hole in the water surrounded by wood, into which one throws money
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northeastuser
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Joined: 10 June 2006 Location: United Kingdom Status: Offline Points: 446 |
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Posted: 12 February 2007 at 8:21am |
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Ahh well I have to confess I cant read my own scribbles’ at times. that’s one of the reasons iv held off posting. Can anyone post the relevant section of that book so I can see what the hell iv tried to write down? Cheers.Her war record is in that book. |
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AndyS
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Joined: 09 July 2006 Location: United Kingdom Status: Offline Points: 81 |
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Posted: 12 February 2007 at 9:11am |
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Just add a bit to Al's notes, which are spot on.
The 70' design was origninally intended to have Power-RRMerlin engines, but the later 70' boats were built with Packards. These boats were a significant advance in lightweight timber construction structural details for production. they were also formally designed from the strength aspect and extensively tested hydrodynamically and so are very significant in the evoltion of these types of boats. Best regards AndyS |
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dgray
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Joined: 24 November 2005 Location: United Kingdom Status: Offline Points: 580 |
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Posted: 27 February 2007 at 12:27am |
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I have a book that says the 70' class were loa 70' beam 20' and mean draft 4'. All below were built at Hythe
MGB's 6-21 Two Napier petrol engines (23 knots) 31 Tons MGB 46 3 x Rolls Royce Merlins (42.5max/39 continuous) - 32 Tons MGB 50-67 3 x Isotta Fraschini (40 max/38 continuous) - 34 Tons Presumably with no supply of Italian engines, Packards were filled. |
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jimmy p
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Joined: 26 September 2006 Location: United Kingdom Status: Offline Points: 283 |
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Posted: 27 February 2007 at 1:39am |
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Heard from NMM. They have plans for 70ft mgb conversion & ma/sb but on tracing paper & rather fragile. Possibly MGB56 plans from Hythe when they've sorted through thier boxes of stuff. Cant photocopy due to condition but a good look over plans should clear up any confusion. Take a drawing & add details from yard plans? Possibly plans for MTB506 there but they cant promise until they've had a really good mooch through their archive. When 506 sorted, 56 looked at, 145 ect i'll try & have a day down there nosing around with their curator |
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A boat is a hole in the water surrounded by wood, into which one throws money
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