johnnybach
Major General
- Joined
- Nov 24, 2010
- Messages
- 13,663
Some may remember, about a year or so ago, I advertised that I wanted some spare parts for a Britains Heavy Howitzer (No 9740). The bit I wanted - was the bit that went "BANG!" ( i.e the barrel and firing mechanism). You see, I already had the large wheels and the trail parts - which came with one of my job-lots.
Well, I found one - or to be more precise - some bits that also included the piece I wanted ( barrel and mechanism).
Here's a pic - which shows the disassembled parts I now have.
From the above pic. you can see that I have all of the parts now - but maybe you can also see that I have had to make some modifications to the trail (now in four parts). The very "Green" trail and wheel at the bottom are some of the new parts that arrived with the barrel (which I won't actually need) - and the barrel and mechanism is top right. What I didn't know - was that there is more than one version of this model - and some of my newer parts are of a slightly different size than the original, older version.
In short - the barrel wouldn't fit the carriage - as it's slightly wider than the original one! As my old Granma often used to say to me - "Boy, life wasn't made to be easy!" (She always called me Boy BTW).
So........I began by disassembling the four parts of the carriage - which also included taking the wheels off first. The old parts were rather crudely soldered together, which was easy enough to saw through to remove front and back cross-plates. You can see the 7mm difference in width of the new and old cross-plates in the picture above. The Green plate is from the newer version - which also came with my "new-bits". The old axle was almost rusted through anyway, and I'm replacing it with the brass rod also shown in the picture.
I then fitted spacer pieces of cut alloy to the inside of each carriage side, where the cross -plates were originally. I made up the new plates to fit the space, and each plate is 3.5mm thick - and will widen the frame of the carriage - so that the connecting plates could be refitted by glueing and pinning. This will make the original old carriage bed 7mm wider - which will allow the "trunnions" on each side of the barrel mechanism, to fit into their receivers. (You can see the newly added plates in the pic above on both carriage sides - which show up as new silver metal. Note also the hole drilled through the front end plates - which the axle will go through.
I'm now in the process of repainting parts that would be difficult to get at - if I just put it together again first.
Watch this space for more pics of the re-build. jb
Well, I found one - or to be more precise - some bits that also included the piece I wanted ( barrel and mechanism).
Here's a pic - which shows the disassembled parts I now have.
From the above pic. you can see that I have all of the parts now - but maybe you can also see that I have had to make some modifications to the trail (now in four parts). The very "Green" trail and wheel at the bottom are some of the new parts that arrived with the barrel (which I won't actually need) - and the barrel and mechanism is top right. What I didn't know - was that there is more than one version of this model - and some of my newer parts are of a slightly different size than the original, older version.
In short - the barrel wouldn't fit the carriage - as it's slightly wider than the original one! As my old Granma often used to say to me - "Boy, life wasn't made to be easy!" (She always called me Boy BTW).
So........I began by disassembling the four parts of the carriage - which also included taking the wheels off first. The old parts were rather crudely soldered together, which was easy enough to saw through to remove front and back cross-plates. You can see the 7mm difference in width of the new and old cross-plates in the picture above. The Green plate is from the newer version - which also came with my "new-bits". The old axle was almost rusted through anyway, and I'm replacing it with the brass rod also shown in the picture.
I then fitted spacer pieces of cut alloy to the inside of each carriage side, where the cross -plates were originally. I made up the new plates to fit the space, and each plate is 3.5mm thick - and will widen the frame of the carriage - so that the connecting plates could be refitted by glueing and pinning. This will make the original old carriage bed 7mm wider - which will allow the "trunnions" on each side of the barrel mechanism, to fit into their receivers. (You can see the newly added plates in the pic above on both carriage sides - which show up as new silver metal. Note also the hole drilled through the front end plates - which the axle will go through.
I'm now in the process of repainting parts that would be difficult to get at - if I just put it together again first.
Watch this space for more pics of the re-build. jb