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dgrev last won the day on January 15 2018

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About dgrev

  • Birthday 01/01/1

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  1. How not to use a shifting spanner! Note at 10:23 they instruct to put the J device on back to front. It was obviously designed that the device goes to the inner side of the crab arm, that way the pull would be vertical and not at an angle as they have done it.
  2. Richard, Having 3 different standards of thread is beyond crazy. What were they thinking? Regards Doug
  3. Hello all, I have 2 to 3 sets of BG 414-S and 5 sets of Champion 63-S spark plugs NOS. As far as I know, they are for Continental W-670 and Wright R-975 engines (Stuart, LVT, HST, Grant/Lee and Sherman) What do they typically sell for?
  4. I have been in this hobby since the late 1970s. The subject of reproduction carrier track has come up countless times over the years. Every time it is yeah, yeah, everyone wants some. Right up to the moment that they are asked to pony up the deposit so that the proposer(s) knows how many owners are actually dinkum and will put their hands in their wallets so that he can calculate a price based on efficiency of scale of production. Every time the whole arrangement collapses due to lack of commitment of the buyers. I can only conclude that there either most carriers are hardly ever driven or that they are all running around on worn out track. Given that the track had a usable life of 500 miles and that I have yet to hear of anyone discovering a cache of NOS track for either British or Aussie/New Zealand carriers sooner or later a batch will have to be produced. But given the "track" record of willing buyers, it won't be me bank rolling the event. US Halftrack owners seem to be a very different breed and have organised, produced and taken delivery of new made track. Given the difference in technology, theirs was the more difficult project. So it can be done, it just takes motivated buyers.
  5. There is a bloke in Adelaide, Australia making nice reproduction track winches. I saw pics of them on the Facebook carrier site.
  6. Those bearings are impressive. Doubtless a very special order in these times if they can be sourced at all. Stunning how good a condition they are in. Regards Doug (in Oz)
  7. Ian, That is a very high percentage of Terebine. Think of it more like you would a catalyst. Just some, to start a reaction happening. At 20% I would expect drying to be very quick, but I would also expect to see detrimental effects such as cracking/crocodile skin and even flaking off? Regards Doug
  8. Ian Lovely work. Pleasure to see someone keeping the craft skills alive. Regards Doug
  9. David I did not know there were any in Oz. Diesel or petrol? Regards Doug
  10. I was just sent a screen grab of the new "fine"of GBP250 for leaving rubbish behind on your site. Paint me cynical, but how do they know it is "your" rubbish and not that of your worst enemy who has waited till you leave then tossed all their rubbish in your spot? Since when does a private company have the legal backing to "fine" anyone at their pleasure?
  11. I am still leaning towards a "British Obscure" thread form. On the US WW2 tanks with radial engines, the rubberless flexible piping is said to use a thread form called (I think for lack of any known name) "US Wartime thread" - quite coarse and matching nothing else. It may just be that what you have is a WW1 equivalent or an in-house thread form such as our Aussie electrical. Regards Doug
  12. I am so glad that all but one of my vehicles uses UNF threads (British and American vehicles!), the other one uses metric. British Obscure threads sound like a nightmare. On that note, when I did my trade as an electrician they told us at tech that the screws that are used on Australian power points and fittings are unique. Apparently when the Oz electrical industry was being born, there was difficulty in obtaining the required machinery and tooling. Somebody found out that a Scottish factory (nobody seems to know what they made) had gone bust and their equipment was up for sale. It was one of those places that had their own proprietary thread form. We still use it - not that you can buy taps or dies to suit. BA is not even close. Regards Doug
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