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  1. Lou, I would do them at the correct scale size....

    Lou,
    I would do them at the correct scale size. the designers of the full size knew what they were doing.


    Simply calculate the L x W of the control surface, plug it into the calcultor along...
  2. Lou, I would do them at the correct scale size. ...

    Lou,
    I would do them at the correct scale size. the designers of the full size knew what they were doing.


    Simply calulate the L x W of the control surface, plug it into the calcultor along...
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    been running some numbers on torque requirements...

    been running some numbers on torque requirements for the servos.

    Seems I'm mid range for most though the HS-645 get to about 2/3. Still ok.
  4. http://www.mnbigbirds.com/Servo%20Torque%20Caculat...

    http://www.mnbigbirds.com/Servo%20Torque%20Caculator.htm

    As n example the ailerons on my 85" span P47 are approx 35cm x 5 cm and move say +/-35 degrees.

    If I assume a top speed of say 180kp/h...
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    Seems with the UP2/3 air valves you need...

    Seems with the UP2/3 air valves you need individual air lines for each cylinder back to the valve as opposed to have up lines / down lines in parallel.

    Can still make it work by blocking off ports...
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    2135581213558221355832135584

    2135581213558221355832135584
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    Thought you might Bob :-) here are a few videos...

    Thought you might Bob :-)
    here are a few videos for you to enjoy. If I can find the retract valve I might even have those working today.


    https://youtu.be/4EhurnOXEc8

    ...
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    Nav and landing light. 213548721354882135489

    Nav and landing light.

    213548721354882135489
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    Ok anyway I will try it see how it goes. Mick...

    Ok anyway I will try it see how it goes. Mick said he also used graphite but yes it is messy ****.

    I dribbled led metho down fiz when flushing the tubes and it has stained it cloudy. Used some...
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    Working away on the linkages. 21354532135454

    Working away on the linkages.

    21354532135454
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    Trip to bunnings for graphite powder completed....

    Trip to bunnings for graphite powder completed. Another coffee then I will head down to the shed.
    2135403
  12. 35C summer 20C winter . . . . what T shirt...

    35C summer

    20C winter . . . .

    what T shirt and shorts will I wear today ?
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    It is bloody hard keeping them all servicable. I...

    It is bloody hard keeping them all servicable. I only have 4 now that are flyable.

    storage of them all too is an issue, even though I have a big shed down the backyard I still don't have room...
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    ahhhhh should have thought of that, graphite...

    ahhhhh should have thought of that, graphite powder! Great stuff but makes an awful mess. I put WD-40 down the tubes, helped marginally so will flush them out with metho then try the powder.

    ...
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    ahhhhh should have thought of that, graphite...

    ahhhhh should have thought of that, graphite powder! Great stuff but makes an awful mess. I put WD-40 down the tubes, helped marginally so will flush them out with metho then try the powder.
    ...
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    In my case I need that hahaha :rolleyes:

    In my case I need that hahaha :rolleyes:
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    Tom, some serious dollars invested in that...

    Tom,
    some serious dollars invested in that little fleet. Do you still have them all?

    Great looking field!! Thought ours was pretty good but nothing like that. Personally I hate flying off a...
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    where is the pizza though?

    where is the pizza though?
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    bob you should start a new company called "Bob's...

    bob you should start a new company called "Bob's RC restorations" !!

    thanks on the DL, would cost far too much to ship over here mate. ;)

    I'll be onto new projects soon, repai the 1/4 Cub to...
  20. always summer here man, we fly all 12 months

    always summer here man, we fly all 12 months
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    mate we are all average blokes here, we build and...

    mate we are all average blokes here, we build and fly what we can afford. My budget is very limited these days. Not like a few years back when I was married and we both had good incomes.

    the...
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    Bob should be like a pig in sh it with all the...

    Bob should be like a pig in sh it with all the photos now hehe :rolleyes:
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    ahh mate try finding bits and pieces you put...

    ahh mate try finding bits and pieces you put aside 10 years ago and have had about 8 moves over those years.

    I have to try and work out all the wiring i built into the wing yet, servos are easy...
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    Richard maaaaate, nice job on the little jug. ...

    Richard maaaaate,
    nice job on the little jug.

    Still got the woofer of yours?

    Mine is nearly done!

    cheers
    me
  25. grass strip

    grass strip
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