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dhfan

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Viewing 15 posts - 1,081 through 1,095 (of 3,092 total)
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  • in reply to: flugwerk fw 190 #1353427
    dhfan
    Participant

    I’ve seen a little, and heard a little more, about 3D technology and it sounds staggering. I guess it makes casting an obsolete part more realistic.
    I was talking to a mate recently that builds/rebuilds vintage racing car engines for a living and he said short-run pistons in the States are no problem. Conrods can be CNC machined from solid in no time. Camshafts shouldn’t be a problem.

    I would still like to know about crankshafts however. A radial has a built-up crank so it shouldn’t be a problem from solid. What can you do about a V12 crank? Apart from using a gigantic billet and machining from solid, which I don’t believe would be acceptable, apart from the cost, as far as I can see there isn’t an alternative to a proper forging.

    What’s used in the States when rebuilding a Merlin? Are original cranks still available?

    in reply to: BofB Locos #1353434
    dhfan
    Participant

    I suspect this thread, until rescued by the last post, was in danger of being a little too far off-topic.

    If it strays too far and gets shifted, we must carry it on. I’ll happily continue to discuss steam engines, with some knowledge but aided by loads of books. 🙂

    in reply to: Airfix TSR.2!!! #1353437
    dhfan
    Participant

    My mate owns half of the only model shop in Chesterfield.

    I haven’t spoken to him for a couple of months. Must be about time I rang him…

    in reply to: flugwerk fw 190 #1353438
    dhfan
    Participant

    Having seen (half) a die for a Merlin crankshaft in the Sheffield Industrial Museum, I can’t imagine a way of replicating a similar forging to satisfy modern airworthiness requirements without actually forging one.

    in reply to: BofB Locos #1353581
    dhfan
    Participant

    John, changing to a BoB related name didn’t stop them being Castles. 😀

    Browsing through a steam magazine in the newsagents today and saw a nameplate, I think for a Southern “Schools”, that had never come up for auction before made £28,500. It would seem that nameplates were a fairly good investment. In the same snippet, a plate that somebody had paid BR two quid for went for 12 grand!

    in reply to: Airfix TSR.2!!! #1354860
    dhfan
    Participant

    Mrs DHFan may well kill me if I suggest buying any more kits to add to the hundred plus I already have.
    I think this will have to be bought while she’s not looking. 🙂

    in reply to: me/bf 109 #1354863
    dhfan
    Participant

    I wonder what messerschmidt means?
    And is it related to the company that made those er quirly 3 wheelers?

    Asking what Messerschmitt means is like asking what Jones means. It was Prof Wilhelm’s name.

    However, calling on the few words of German I know, messer means knife. I assume therefore that one of Willi’s ancestors was a knife-smith.

    in reply to: Old TV series on video/DVD? #1358239
    dhfan
    Participant

    My dad rented one of the first Thorn-EMI (I think) piano-key VHS recorders in about 1978 I guess. They were hugely expensive to buy and unreliable so renting was the best deal.

    I remember going to to buy VHS tapes from a shop in Holloway Road that was reputed to be the cheapest place in the country. If you bought 10 they were £13 each!!!!
    To put that in perspective, I can’t remember my exact salary but I think it was about 50 quid a week, gross.

    in reply to: Mark9 Visits Lasham #1358242
    dhfan
    Participant

    I think you’ll find Bruce has had his beady eyes on it for some time. 🙂

    in reply to: Mark9 Visits Lasham #1358264
    dhfan
    Participant

    It’s the only Drover in the Northern hemisphere. It’s been discussed on here before, and it’s not looking any better.

    in reply to: Loss of British Warbirds to the USA #1358451
    dhfan
    Participant

    Edward Hulton was a very rich man when he bought the Sunderland. He was lot less rich when he sold it to Kermit. He tried to sell it for years and Kermit was the only taker. IIRC, he was already trying to sell it when it was damaged in the 1987 hurricane. I saw it moored at Hythe in 1989, sadly I never saw it in the air.

    in reply to: Today at Hendon #1360830
    dhfan
    Participant

    The only qote I’ve ever heard from the RAFM was it would take 10 years, all the restoration staff and the entire restoration budget to restore the Halifax.

    in reply to: Today at Hendon #1360880
    dhfan
    Participant

    Shows how much notice I took!

    in reply to: Today at Hendon #1361433
    dhfan
    Participant

    I haven’t been to Hendon for 3 or 4 years and then only briefly. I don’t remember seeing the Phantom. Is it a recent addition or did I miss it?

    in reply to: General Discussion #361681
    dhfan
    Participant

    Good plan.

    Personally I use a slight revision of it – I assume 95% of drivers are complete idiots and the other 5% are homicidal maniacs.

    Works for me.

Viewing 15 posts - 1,081 through 1,095 (of 3,092 total)