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    1. Kit: , by (Yearly Subscriber) Jo NZ is offline
      Builder Last Online: Feb 2023 Show Printable Version Email this Page
      Model Scale: 1/8 Rating:  Thanks: 1
      Started: 12-25-19 Build Revisions: Never  
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      Bloody Mary is a hillclimber, built in the UK by John and Richard Bolster in 1929, when they were both schoolboys. It has a wooden (ash) chassis and was originally powered by a single JAP V-twin of 750cc. Through the years, pre-war, it was refitted with bigger engines and ended up with two 1000cc JAP KTOR V-twins, mounted in tandem. It competed until 1959, when it was put on display at the Montagu Motor Museum - and it's still there. It appears these days at events like Goodwood - the picture below is a from recent visit.

      Bloody Mary in 1/8 scale scratch build-bm1-jpg


      Bloody Mary in 1/8 scale scratch build
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  1. MODEL A MODEL's Avatar Yearly Subscriber
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    don
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    Feb 2017
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    Wow!

    In addition to all the various details, (applaud, applaud!) There will eventually come the decisions on how to paint all this.

    I know these photos are of the present condition, but it was probably always a bit of a mess. Visually.

    Again,
    -craftsmanship is a lifelong project of
    self-construction and self determination
    QUOTE QUOTE #77

  2. Jo NZ's Avatar Yearly Subscriber
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    Jo
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    Thanks Don
    My thought at the moment is to build it as new and then gently weather it. If I try and replicate the current state I'm not sure how to do dust....


    Bloody Mary in 1/8 scale scratch build
    QUOTE QUOTE #78

  3. Jo NZ's Avatar Yearly Subscriber
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    Jo
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    It's been a while, I keep finding new things to model, but I'm now scratching around for the last details. I'll soon have to start building....

    *

    Starting from the front, the bracket on the front axle that attaches the hydraulic damper. I'm planning to use M0.8 bolts to attach it. At first I thought that I could draw in in one piece and slip it over the end of the axle: then I realised that the ends are bigger then the rest. So it's split.

    Bloody Mary in 1/8 scale scratch build-img_0251-jpg

    Bloody Mary in 1/8 scale scratch build-screenshot-2023-01-04-140212-jpg

    Next the drivers side of the car

    Bloody Mary in 1/8 scale scratch build-img_0457-jpg

    There are three tanks in front of the driver, two rectangular tanks and a cylindrical one. The big one at the front is for the methanol fuel, I discovered this by following the pipework out of the top of the tanks, and it goes to... the carbs

    Bloody Mary in 1/8 scale scratch build-screenshot-2022-12-03-150209-jpg


    The cap is curious, but I did manage to model the diamond knurl ok.

    Bloody Mary in 1/8 scale scratch build-img_0299-jpg

    Bloody Mary in 1/8 scale scratch build-screenshot-2023-01-04-135939-jpg

    Next is the cylinder. One of the three hoses from the top of the tank goes through this to the fuel pressure gauge, so I'm assuming that it's a pressure leveller or something. I had wondered about a fuel pump in the past - I've just had a thought that as the tank cap has a thread in the middle of it, the tank may well be pressurised (perhaps with a bicycle pump?).

    For some light relief, I turned the tank from ally, which I can suitably distress. Pictures to follow later...

    *

    The red tank is a bit of a mystery. I think that it's an oil tank, as the are pumps on the dash for "front" and "rear" and copper tube leading away from them. Bolster used to drain the engine oil before a run to save weight and produce more power, as he reckoned the engines would last the short run up the hill, and they were stripped and rebuilt between each meeting. Maybe these are used to prime the bearings before starting?

    Bloody Mary in 1/8 scale scratch build-screenshot-2022-12-03-150640-jpg

    The cap looks familiar, I just can't remember where from...

    Bloody Mary in 1/8 scale scratch build-img_0296-jpg

    Bloody Mary in 1/8 scale scratch build-screenshot-2023-01-04-140033-jpg

    The steering drop link, conveniently, is very similar to the hydraulic damper arm, even the same length! It has a clamp bolt rather than being part of the pivot. The steering connection has a curious triple slot in the end, so was easier to draw than to machine.

    Bloody Mary in 1/8 scale scratch build-img_0285-jpg

    Bloody Mary in 1/8 scale scratch build-screenshot-2023-01-04-140443-jpg
    Bloody Mary in 1/8 scale scratch build-screenshot-2023-01-04-140640-jpg


    Finally, the steering wheel

    Bloody Mary in 1/8 scale scratch build-img_0280-jpg

    This is my third try to get it right. I think I might be there this time

    Bloody Mary in 1/8 scale scratch build-screenshot-2023-01-04-140330-jpg


    Bloody Mary in 1/8 scale scratch build
    Last edited by Jo NZ; 01-13-23 at 09:31 PM.
    QUOTE QUOTE #79

  4. MODEL A MODEL's Avatar Yearly Subscriber
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    don
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    Well well! Happy New Year Jo!

    How's your summer so far?

    What a hornet's nest of details! Really a fine job of problem solving.

    -craftsmanship is a lifelong project of
    self-construction and self determination
    QUOTE QUOTE #80

  5. Jo NZ's Avatar Yearly Subscriber
    Name
    Jo
    Join Date
    Sep 2011
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    500
    Quick update - some real parts at last. Engine 2 with magneto and gearbox

    Bloody Mary in 1/8 scale scratch build-img_3806-jpg

    Bloody Mary in 1/8 scale scratch build-img_3808-jpg


    Bloody Mary in 1/8 scale scratch build
    QUOTE QUOTE #81

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