Baily bridge pontoon
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As I saw you reference to a Sherman Crab named "ROB ROY", I attched a picture of "ROB ROY IV" taken during a demonstration in the Netherlands shortly after WW2: Attachment 100359 Source: http://proxy.handle.net/10648/5a4e3b...1-46ae0266c1e9 |
Would be nice to have one to......
...Rototille the garden!!!!!!!
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Standard British building/bridging element?
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What exactly would be the name / official designation for this cage-shaped thing carried by the lads on the first photo below,
used as "crib grillage" for basing Bailey Bridges, and apparently pretty standard given the numbers used in the second photo (Monty's Bridge in Caen): http://www.mapleleafup.net/forums/at...1&d=1533069019 http://www.mapleleafup.net/forums/at...1&d=1533068651 Source: http://sgmcaen.free.fr/les-ponts.htm and https://www.flickr.com/search/?user_...1&text=p010415 Michel |
Answer found...
as often, in thinkdefence.co.uk:
https://www.thinkdefence.co.uk/2011/...ging-supports/ So these are "Christchurch Crib bridging supports" or simply "Christchurch Cribs" More on this page (search for 'Christchurch'): https://www.thinkdefence.co.uk/2011/...tion-bridging/ where we (or at least, I :)) learn that its offical name is "Bridging Crib 20 ton" Michel |
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While looking for info on British and Canadian Pontoons, I noticed IWM has quite a selection of pictures.....I don't know if these are recently added to the site, or if I just missed them before, but I am attaching a few.
source: https://www.iwm.org.uk/collections/search I am specifically looking for measurements and/or scale plans of MkV and MkVI pontoons.....or any info on possible survivors. If anyone knows of any drawings, please let me know. Post-war nato pontoons seem to be a dime a dozen here, but I can't remember seeing any WW2 Commonwealth pontoons. |
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source: https://www.iwm.org.uk/collections/i...ject/205205108 |
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The first pictures seems to show a pontoon in use as a sled!
I am presuming these pontoons were plywood, which could be a reason you hardly see any surviving examples (?) |
Pontoon Diamensions
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Pontoons and Centre Sections were both the same size:
25 feet 9 inches by 2 feet 6 inches. Surviving examples in Canada are very rare as the surplus pontoons were mostly all burned in the 1970s. The example on outdoor display in Petawawa is a post-War Extra Wide Bailey Bridge although the panels appear to be primarily wartime. I managed to save one of the data plates off of the pontoons which were being burned. Attachment 112591 |
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Ed, I can see why you saved that data plate!
Thanks for your comment on a survivor in Petawawa. :thup: It looks rather nice and I agree that the Bailey section is the later type with the wider lower beams. So far, I have just found one picture of the pontoons in Petawawa. source: http://silverhawkauthor.com/royal-ca...s-rce_318.html Is "2 feet 6 inches" the height from water level to the top of the pontoon? I am asking, because 2'6" seems a bit low for the full pontoon (?). By the way, this time i am asking for a scale model.....I am not planning on making 1:1 repro pontoons (yet). Alex |
CFB Petawawa Bailey Bridge
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I just checked my written source for those dimensions but I have not gone to a primary source to confirm.
Here are a few images of the CFB Petawawa Bailey Bridge. It was my Father who was behind saving the bridge back in the 1970s and the bay of bridging has been on outdoor display ever since. It is currently situated at 2 CER's Brennan Lake site. The pontoons have lost much of their originality as they have been rebuilt at least two times due to the deterioration from being outside for several decades. The pontoons were last reconstructed in 2018. Attachment 112601 Attachment 112598 Attachment 112599 Attachment 112602 |
Ed,
Thanks for the additional pictures (and the article)...they are a great help. So, the pontoons have a special meaning to you! Was the "Storey" on the build plate of the other pontoon family as well? I can imagine that the wood suffers a lot from being outdoor......so for any survivors that weren't burnt for fire wood..... So far, the Petawawa ones are the only survivors I have managed to find on the web....even though I am sure there must be one or two more hiding somewhere. Out here there is a Diamond T 975 in the Overloon museum, but sadly it's not fitted with a set or original pontoons. Alex |
I am trying to source which publication the attached drawings are from that David posted earlier in this thread, as I am hoping to get a larger scan of the diagrams?
Does anyone know the source of these diagrams? http://www.mapleleafup.net/forums/at...8&d=1182340168 http://www.mapleleafup.net/forums/at...9&d=1182340251 |
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Cheers, Neil |
Hello Guys.
Looks like this thread has been stagnant for a long while I keep refering to it but for some reason I can not expand David,s photos. I am currently working on a range of WW2 British Bridging trucks and we are about to start on a Bailey Bridge model. Hopefully this thread can start up again. |
1/4 ton BB transporters
Don't forget to put the Bailey Bridge components transported by jeeps on your list.
Mike |
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Your account was set to inactive as you had not logged in for a long time. I have reset your account to active, please list your full name so we know who we are dealing with. Thanks in advance. |
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I am still looking for some higher resolution scans of the drawings attached. Does anyone know where these came from? http://www.mapleleafup.net/forums/at...1&d=1706740824 http://www.mapleleafup.net/forums/at...1&d=1706740824 And does anyone know if there ever was a manual/publication on the Folding boat and pontoon equipment as used on the Canadian Diamond T 975's.....apart from the diagram from the design records? regards, Alex |
FBE Manuals
These are the FBE manuals that I am aware of:
Military Engineering, Vol. III, Part II, Equipment, Bridges (excluding Bailey) Pamphlet No. 2, Folding Boat Equipment, Mark II, 1936 Pamphlet No. 13, Folding Boat Equipment, Mark III, 1945 Parts List for Trailers 4-wheeled 35-cwt, Folding Boat, Pontoon Nos. 1 and 2 Mark I, 1938 Provisional Handbook for Folding Boat Equipment, Mark III, 1941 Royal Engineers Training Memorandum No. 16 June 1945 Carriage of Folding Boats in 3-ton Lorries Army Training Memorandum No. 14 1934 Folding Boat Equipment |
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Ed, Thanks for taking the time to look into this.
I have purchased copies the first two pamphlets you mentioned; Pamphlet no. 2, dated 1939 and Pamphlet no. 13, dated 1945. The former shows some diagrams of very early trucks FBE trucks, which are not the ones I am after, but nonetheless interesting to add to this thread. The latter does show the trucks with the 4 pillars, but only as a picture, not the diagrams that David posted here years ago. |
Bailey Bridging
Yeah, that is the problem when you try to track down unatributed photographs that have been posted to a forum.
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