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Thorneycroft MTB

Printed From: BMPT Forum
Category: Boats (In alphabetical order)
Forum Name: Motor Torpedo Boats
Forum Description: Discussion on Motor Torpedo Boats
URL: http://www.bmpt.co.uk/forum_posts.asp?TID=187
Printed Date: 26 March 2026 at 9:17pm


Topic: Thorneycroft MTB
Posted By: Mikeg8
Subject: Thorneycroft MTB
Date Posted: 07 August 2006 at 8:36am

I have a model of what the family always called the 'Thorneycroft MTB'.  I'm assuming the original is WWII vintage.  Can anybody supply any information, or at least point me in the right direction, for anything about Thorneycroft MTB's?

Mike




Replies:
Posted By: Christian
Date Posted: 07 August 2006 at 4:44pm

Hi Mike

Thornycroft designed and built a few different MTBs, as a starting point which of the above does yours more closely resemble?

(pics courtesy of Modelboatmayhem)

Regards,Christian



Posted By: Mikeg8
Date Posted: 07 August 2006 at 4:53pm

Hi Christian

The top one is, at a guess, identical to the model I have.

Mike



Posted By: Christian
Date Posted: 07 August 2006 at 8:46pm

Hi Mike

WW2 Thornycroft built MTBs;24-25,26-27,28(a Vosper design),49-56,67-68(CMB types in build for Finland),327-331(CMB types in build for the Phillipines),344-346  and experimental boats 104-107.

The group of eight boats in the 49-56 series were 75.5ft long and powered by 4 Thornycroft petrol engines which allowed them a top speed of 29kts (26kts cont.)Armament;2 x 21" torpedo tubes, 1 x double Vickers 0.5" MG mounted in a tub aft.They were ordered 27/09/39 and some boats were initially Royal Norwegian Navy crewed and formed the 11th Flotilla at Dover 12/41-4/42,then portsmouth 4/42-7/42,then RN crewed and based at Weymouth 7/42-1/43.They were paid off  12/43 (they all suffered from cracked frames) and transferred to the War Dept (RASC) as the 75.5ft Battlefield Class (not to be confused with the 69ft Battlefield Class,also built by Thornycroft,or the 68ft Battlefield Class built by the British Power Boat Co to the same design as the RAFs Hants And Dorset HSLs).The 75.5ft ex MTBs were used as High Speed Target Towing Launches for coastal batteries to practice firing at.They were sold off in 1947.The only survivor of this class is at Shoreham as the houseboat Marne (her original RASC name).She was originally MTB 52.She is pictured elsewhere on this forum. MTB 49 pictured above was completed 4/41 and ran aground on her maiden voyage,right opposite The Houses Of Parliament.She became RASC Meggido.

Info collated from Phil Simons' "Retired On The River" ,J Lambert & A Ross' "Allied Coastal forces of WW2 Vol II and Ben Warlow's "RN Minor Vessels in Focus",and the internet. 

Regards,Christian. 



Posted By: Pioneer
Date Posted: 07 August 2006 at 10:11pm

Could'nt have put it better

Here's a well worn snap of MTB 50 of the series



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Pioneer - Forum Moderator


Posted By: Christian
Date Posted: 07 August 2006 at 10:31pm

Hi Ted! 49 and 51 from that batch also.

 

MTB 104

MTB 107

MTB 344

Will try to find pics of the other types mentioned too.



Posted By: Mikeg8
Date Posted: 08 August 2006 at 8:18am

Christian, Pioneer

 

Thank you both very much for the information and the photos.  Fascinating stuff.  I haven't seen much posted on the non-CMB Thorneycroft boats, you have both been a great help.

 

Best Regards

 

Mike



Posted By: Christian
Date Posted: 17 August 2006 at 8:49am

Hi Pioneer and Mike


This picture is from Dad's albums,she is Thornycroft M1 built for Ireland) at Gibraltar in 1955.Her name was Mary Of Cork,Irish flag.She went on to star in the movie "Action Of The Tiger" with Sean Connery.I'm hoping someone out there may be able to offer more information on this great looking boat:


[IMG]uploads/Christian/2006-08-17_084920_action_544017854JPcCet_ph_2.jpg">


Regards,Christian 



Posted By: Christian
Date Posted: 17 September 2006 at 7:11pm

Re this class of boat;

1/24th scale hull marketed by HSL Mouldings, contact Chris Walters on the http://www.hslmouldings.co.uk - www.hslmouldings.co.uk website if you are interested.Regards,Christian.



Posted By: senatorduck
Date Posted: 04 December 2010 at 1:10pm
Hello Christian.

Have just bought a hand made model of the Thornycroft 49 MTB on Ebay for £20. It was made by a ex Royal Navy commander and it measures 95CM in length. The following is the description given by the seller.

This was home made by our Grandpa (A Navy Commander).
The engine, a typical OS40 model aircraft engine,
started when we tried once 20 years ago.

It was made in wood ply and plastic during WW2.
There are authentic twin 'barrel' copper fuel tanks and fuel pipes.
The remote control equipment has long gone, being out of date,
but the steering and propeller controls are in situ.

It is 95cms (3' 1.5") long, and comes on a pine stand.
The Ack Ack guns move, and the torpedoes and depth charges can be removed.

Will post some photographs when I can.

Regards Peter.


Posted By: Christian
Date Posted: 07 December 2010 at 8:10pm
This one? Very nice model;
 
 
 
 


Posted By: senatorduck
Date Posted: 08 December 2010 at 6:47pm
Hello Christian.

Yes that is the one. Hope that I can do it justice.
Will take my time and seek help off people who know what they are talking about.This model as got a bit of history about it so it deserves to be rebuilt to the best of standards.
Will keep in touch with you.
Regards Peter.


Posted By: senatorduck
Date Posted: 17 December 2010 at 3:50pm
Hello again Christian.
Could you please recommend any good quality paints for my model of the
MTB 49. It is made of plywood and balsa wood.
Regards Peter.


Posted By: Christian
Date Posted: 17 December 2010 at 4:19pm
How will you paint it? If you use aerosols, the Halfords range is very popular, and you could then use Ronseal Matt or Satin Interior Polyurethane varnish (which can be thinned down for airbrush use) if you want to go that route (good results have been obtained using those products). For brush painting (or airbrush) use any matt enamel paints such as Humbrol. Avoid 2-component paints as they may react to whatever was originally painted on. Personally I use aerosols (grey primer etc) without a varnish layer, try a little area first (e.g. a hatch cover) and let it dry just to make sure there will be no reaction. The hardest thing will be the surface preparation with fine (say 320G) wet or dry with all the fittings on, and all the masking...



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