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About mtskull

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    Staff Sergeant

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    West Yorkshire

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  1. There is no previous repair or patch, what you can see towards the middle of the photo is some tape covering the drain plug hole. The damage is confined to a handful of pinholes within the rusty strip (the way the tank was mounted couldn't have been better designed to trap water). I have since cleaned it up with a wire brush and it isn't actually too bad, so I am optimistic. I won't be soldering for a few weeks though, as the tank is currently standing on its end.in a molasses bath to remove all the remaining rust. Andy
  2. Thanks Jon. Being a dab hand with the MIG, this would normally have been my first thought (once the issue of purging had been overcome).l In this case the complication is the proximity of the damaged area to the riveted and soldered end seam; in order to weld to clean metal it would first be necessary to drill out a large number of rivets, unsolder the seam, take the tank end out and then remove all traces of solder adjacent to the area that's going to be patched. After patching, rivet the end back in and re-solder, then repeat the operation at the other end..... As it looks as if am going to be sealing with solder come what may, I think I'll give all the drilling, cutting, welding and riveting a miss. In the end, if for some reason a soldered repair isn't successful, then I'll be no worse off than I am now and it will be time to let the professionals look at it. Andy
  3. Hi Thanks again for all your suggestions, in the light of which I have been having a rethink.... I have been fortunate in finding somebody local with experience of petrol tank repair and, although he is no longer in the business of repairing them, he did offer to purge the tank for me. After steam cleaning at 155 degrees C for 45 minutes there was no hint of petrol vapour present and he proved the process by dropping a burning rag into the tank (while I stood a long way away). With that part of the process out of the way, I am inclined to try Rick's suggestion of running solder into the pinholes, of which there are only 2 or 3 at each end of the tank. There is a lot of work to do elsewhere on the vehicle before the tank needs to go back on, so before we get to the soldering stage each end of the tank is going to spend a few weeks in turn immersed in molasses solution to get rid of all the rust. My logic is that there is nothing at stake except the cost of a little solder and flux and, if my soldering efforts turn out to be unsuccessful, we can still revert to plan A and call upon the professionals. Andy
  4. I'm with you on that one. I'm certainly not brave enough to apply heat from a blow lamp on to a petrol tank. The problem is, it isn't just a matter of filling one hole; the corroded areas are full of pinholes and deep pitting. (How to get that clean enough to solder?) . Also, the corrosion extends to the seam, so it would be more a matter of: purge tank, drill out rivets, unsolder seam, cut out corroded area, weld in new piece (to galvanised metal), re-rivet seam, re-solder seam. I'll leave all that to the professionals (if I can find any). Andy
  5. Thanks; we did ask Northern Radiators but they were only interested in doing a resin coating repair.
  6. Hi Can anybody recommend somebody to repair a petrol tank (preferably in the West Yorkshire area)? The tank in question is approx 20 gallons capacity, measuring 48" long, 12" wide and 10" deep. It is made of galvanised steel, with riveted and solder sealed joints. It is generally sound but unfortunately the last inch of the bottom of the tank at both ends has corroded into pinholes where water has been trapped between the tank and the chassis outriggers that support it. We have considered slosh sealants and have had quotations for repairing the tank with a resin coating but, although we will use these methods as a last resort, we would prefer a more traditional repair if at all possible. Thanks Andy
  7. Looking good! (Especially when compared to the pile of pieces that you started with). 👍
  8. My meaning precisely (and a very small bubble at that). Make no mistake, an empty petrol tank, whether washed out or not, becomes a bomb in the presence of a source of ignition.
  9. Please, please tell me you are going to fill it with water first!
  10. It's very tricky; what appear to be spats might indeed be something else. Still going with the notion that these are spats and working on the basis that this must be a single engined aircraft (no part of nacelle visible), everything that can be seen is consistent with it being a Magister, except that it appears too big (although that might be a trick of perspective). Any other thoughts?
  11. Not over complicating, just looking at facts rather than making assumptions. How can we be sure that the aircraft in the first photo is TK620? -the serial number isn't legible as it is in the Google photo. It certainly begins TK; that can be seen under the starboard wing, but a search of the serial number database shows dozens of Mosquito B.35's with serials in the TK series. There is no evidence that the Google photo was taken on the same occasion; Two Mosquitos being refuelled whils parked side by side could not have been a unique occurrence.
  12. Having further studied and enlarged the photo, I'll play Devil's advocate for a moment: I accept that the aircraft in the background can't be a Harrow (which raises the question: what on earth is it? And to what aircraft does the wingtip with multiple aerials belong?). Details of the Mosquito are certainly consistent with it being a B.mk35 but, as for the serial number, without a better resolution image I think we're making too much of a leap of faith by taking as definitive the suggestion that the aircraft is TK620. There's another clue here: look at what the man carrying out the refuelling is wearing; looks like dark overalls and forage cap. Might he not be dressed somewhat differently if this photo was taken on a sunny day in Egypt?
  13. The distinctive wheel spat appears to belong to a Handley Page Harrow, which would fit with the photo being taken in Egypt.
  14. Admittedly this was 18 years ago but when I dropped the kerb (and lowered the footway) for access to my drive, the local authority allowed me to carry out the work myself; the only work carried out by an outside contractor was the final surfacing. All that was involved was a site visit from a man from the highways department, who listened as I explained what I proposed to do, expressed surprise that I wanted to do it myself, gave me a specification to follow and told me to go ahead. I'm pretty sure that nobody ever even came back to check that it had been done properly.
  15. I have used this company many times and found them to be friendly, helpful and knowledgeable. With turnaround times in the order of a couple of months, they are not quick but the cost is reasonable and the quality excellent. A word of warning: DO NOT send your parts to the address shown by a Google search; it is out of date and your parts will get lost. Make sure you use the address from their own website.
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