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David Herbert

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Everything posted by David Herbert

  1. Try www.sealsdirect.co.uk They offer a fair selection and have their catalogue on line. David
  2. It was quite common for them to be changed to twin rear wheels in civilian life. David
  3. John, I think that that is an excellent idea, it is certainly very hard to see that it could do any harm. The worst that could happen is that the oil oozes out and then you are no worse off than the standard arrangement. David
  4. I was shown a photo once of a low garden 'fence' made from overlapping carrier sprockets, quite a number of them. It was allegedly well know to all the carrier owners in the area and as the guy was not interested in selling his fence, it got a bit shorter from time to time. I wonder what would be a fair swap for that carrier track ? David
  5. Quite right ! Thanks Adrian David
  6. This is an M4 75mm Sherman fitted from new with vertical volute spring suspension and built post August 1943. It is what is known as an "ultimate series" tank as it has the bigger front hatches that don't intrude into the less sloped glassis plate, the final version of the radial engine installation with the oil filler cap in the rear section of engine deck, no cutout in the lower edge of the upper rear armour. Inside the wiring, seats and most stowage are very different to earlier Shermans. The turret is the correct "high bustle" late 75mm one with the correct vision cupola but the gun mantlet and turret front are from a much earlier Sherman. The mantlet should be the full width of the turret front which should have extra slots in it for the mounting bolts of the M34A1 mount. It is possible that it was originally a 105mm howitzer tank as these had basically the same turret but with a different front, gun and mantlet but only by looking at the internal ammunition stowage would one know. David
  7. It's an Austin K3 but I don't know what 'ZC' means but it might relate to the original rear body, of which there were many types. There were 17,097 built between 1939 and mid 1945. Early ones had 34x7 tyres (later called 7.00-20) with twin rears. Later trucks were on 10.50-16 singles all round. Engine was a 60 hp six cylinder. There are very few left and in the UK that would be regarded as a good cab, ours have rusted very badly. Good luck with it. David
  8. I have one similar to the green one in the post above but of considerable age, painted red oxide and measuring 7 1/4" extreme length (which is rather shorter than the green one I think). It does not have the rubber nozzle. I have always assumed it was ex-mod as it came from a surplus dealer but there are no markings on it. It has a vent pipe that comes out of the base of the tube part and curves over the part that seals to the can. If the green one above had one it would be just visible at the very top of the photo. David PS, I have had mine for about 30 years and it was far from new when I got it.
  9. Oh that is depressing 😫. At least you have a better crank. David
  10. I think that all your points are good and that it is very acceptable to restore any vehicle to as close as possible to how it was at some point in its history. The problem comes when making it into something that it never was, or even more so if making it into something that it could never have been because a key 'improvement' (to use a silly example - air bag suspension) had not been developed then. To restore a Sherman to exactly how it came out of the factory is very difficult now, regardless of your budget, because some parts are simply not available and re-manufacturing them not really practical, so a degree of compromise is almost inevitable. Wherever you draw the line will draw criticism, mostly from people who don't restore things themselves. David
  11. Yes, Centurion. And very heavy ! David
  12. Could be caused by people putting EP90 oil in there. It eats bronze / brass even without a load. David
  13. In the 20s and 30s the Germans were building steam locomotives with Whitworth threads but metric head sizes. David
  14. And you have operated her for longer than the army did ! David
  15. As it says on the parts list, this is a special thread, invented by Leyland for that particular application. I used to work for Fodens and they invented their own threads for that kind of thing if there was no standard one that seemed right. Don't mess the nut up ! David PS, It couldn't possibly be UNF as that wasn't standardised until the early 50s. Before that the USA used American Standard threads from which UNF and UNC were developed but not all sizes interchange (like 1" UNF is 12tpi vs. 1"AF which is 14tpi).
  16. The small idler wheel below the sprocket was originally officially called the Tension Compensating Idler Wheel but that got shortened to Compensating Idler and then to Tension Idler which is a better term as it was sprung downwards by a small torsion bar but not linked to the rest of the suspension, unlike the Track adjusting Idler at the front of the tank which moves forwards as the front road wheel moves up, thus compensating for compression of the suspension and reducing nose diving when braking. The Tension Idler was to prevent the track bunching upwards between the sprocket and the rear road wheel when reversing, or when braking that track whilst going forwards. As the track is rubber bushed it is damaged by bending it sharply back on itself in the wrong direction. If driving forwards the tension of the sprocket pulling that part of the track will keep it straight however slack the track is. It does also contribute to guiding the track onto the sprocket and reducing flapping of that part of the track when coasting. They were kept in place for most of the US Army service life of M47s but were often removed by other users to reduce maintenance. David
  17. If you want to change a vehicle so that it differs from what is on the V5, just do it and then notify them in the way that it asks for on the back of the V5. If you are changing it TO what it says on the V5, just do it. Then the paperwork will fit the vehicle and everyone will be happy. Of course the insurance companies are getting fussy about modifications to vehicles being notified to them, which can even include factory installed optional wheels. David
  18. I used to buy bearings regularly for my business and EVERY time I would be quoted a price four times what I paid last time. When challenged they would ask me what I paid last time and without argument would more or less match it. Certainly it seemed that at that time there was a huge discount to be had and list prices were inflated to allow for it. A crazy way to do business ! David
  19. That is a good find ! My MW has a dipstick made of a sort of fibre board, dark grey and completely proof against petrol. Were there two types or was mine home made long ago ? David
  20. I suspect that there are many more failures of relatively new tires, simply because there are many more of them. Does this mean that all tires should be banned ? Also most preserved vehicles do not travel very quickly and anyone that can't control a blowout at those speeds really should consider whether they aught to be driving. Just my knee jerk reaction.... David
  21. I find it astonishing that these kind of parts are still out there to be found, so long after they were of any real commercial use. My first MV was a Bedford MWR which I acquired in 1970 and at that time there were almost no new spares available because the enthusiast infrastructure did not really exist. On the other hand there were lots of reasonably good trucks in scrapyards that weren't particularly rusty but had no use so they got scrapped. David
  22. Hi Glenn, A good thing with Clansman is that all cables that look the same are the same. If they have matching plugs on each end then both ends are wired the same so pin 1 goes to pin 1 etc. So all 12 pin cables are interchangeable except for length. The original cables supplied with the vehicle specific installation kit were each numbered in a series that was special to that kit and were labelled at each end with what they plugged into but were often replaced with non-vehicle specific cables that happened to be the right length or a bit longer. Unfortunately the 'CES: installation kit, electronic equipment, Clansman basic harness' for each vehicle gives a full list of components with NATO stock numbers but not lengths of the cables. Most of these lists are available quite easily (Ebay) David
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