Parkflyers International Design and Build Log: Curtiss P-40 Warhawk

Discussion in 'Scratchbuilding!' started by bimoadiprakoso, Apr 19, 2017.

  1. Flybyknight22

    Flybyknight22 Top Gun

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    Nope,.. Mean Green, it said so on the Gator. :)
     
  2. homey666

    homey666 Top Gun

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    Just don't be a 24 carat plonker on the maiden, BB!

    Peter
     
  3. bogusbandit56

    bogusbandit56 Top Gun

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    I will look a 42 karat plonker if I tip stall it in and probably remain a plonker all my life:D
     
  4. Just as long as it is done in good taste.
     
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  5. EricR

    EricR Ace Pilot

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    Great looking project for yoU guys. : )
     
  6. EricR

    EricR Ace Pilot

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    Great-looking build!
     
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  7. We are testing Bimo's skills and pushing them beyond his comfort zone. :D :D :D We are yet to stump him. ;)
     
  8. bimoadiprakoso

    bimoadiprakoso Top Gun

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    Hahaha Bring 'em on! Supafly! I never like any comfort zone in life.

    Getting new confidential gears that I can utilize to help designing more planes

    The only constraint now is time. Hope I could have few twins just like you do, Wildthing

    Parkflyers International Parkjets

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  9. bogusbandit56

    bogusbandit56 Top Gun

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    YEEEEEEEEEEEEEEEEEAAAAAAAAAAAAAAAAAAAAAAAAAAAHHHHHHHHHHHHHHHHHHHHHHHH.
    Finallyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
    The maiden flight of the lazy Englanders Parkflyers International Curtis P.40.
    Obviously suffering with a lack of power the plane is still very nice to fly.
    Elevator and rudders are responsive as are the Ailerons.
    The lack of speed was probably the cause of the plane to roll very slowly and possibly the high placement of the battery.
    I was very nervous with this maiden flight as I envisioned all sorts going wrong and the plane is awkward to hold to hand launch.
    Just forget what park jets can do and realize your dealing with a scale Warbird.
    Even so the plane is fairly easy to fly for an intermediate pilot.
    I did some stall test which absolutely amazed me, going cross wind I stop the motor and pulled back the stick and it just hung in the air like an SU 34 park jet.
     
    Last edited: May 10, 2017
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  10. homey666

    homey666 Top Gun

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    Very nice, big guy!

    Peter
     
  11. bogusbandit56

    bogusbandit56 Top Gun

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    I`m quite small actually apart from my feet, hands, and stomach, moobs and arse:D
     
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  12. bogusbandit56

    bogusbandit56 Top Gun

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    The second flight with stall test and some straffing runs will follow once uploaded to the Tube.
    The plane has an abundance of lift due to the thick aerofoil but it does make it rather slow.
    May be a thinner aerofoil can be produced for those that feel the need for speed (which I did):)
    With this thickness of aerofoil there is no need to watch your hot glue consumption.
    I am pondering the problem of getting the battery closer to the top of the wing in an attempt to get a more axial roll.
    Rolls can be speeded up with the use of the rudder and some up elevator coming out of the roll as it does loose altitude.
    For the less adventurous of flyers who enjoy lazy circles and figure of 8`s this is a great plane to fly.
    I am sure Jeff will remedy the lack of speed with a nice warm set up. I am going to look for a better motor prop combination.
    I was using a Hobby King 4018 900kva motor with a 11x4.7 twin blade prop.
    An 11x4.7 x3 blade is recommended for this motor which would look fairly scale on the P.40 and possibly more thrust would be produced.
    I think my 2200mha batteries are getting tired but I will check what voltage they have in them
    The first flight of nearly 12 minutes left 3.78 volts in each cell.
    The second had 3.70 volts per cell.
    The third had 3.70 volts in each cell but that was a very short flight.
    The 4th had 3.80 but that also was a short flight as I thought the batteries were worn out. I think it was more likely I had got used to the plane and wanted more speed.
     
    Last edited: May 10, 2017
  13. bimoadiprakoso

    bimoadiprakoso Top Gun

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    Marvelous BB56! Congrats on the maiden flight! Great job on building and flying chap!

    Parkflyers International Parkjets

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  14. bimoadiprakoso

    bimoadiprakoso Top Gun

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    Watch the video few times already BB56 So happy here watching you love the P-40. Love watching the video again and again, for sure

    Couple of questions. Was the neutral CG on the spot where we pre-calculated it? i couldn't clearly when you play the rudder. Was it behaving normally when activating the rudder?

    I really look forward to build it but still haven't figured the time out. Plenty of things to do unrelated to RC

    Congratulations Wildthing and BB56 on successful maiden and flights! So, your early bifday prent comes up much earlier nicely BB56!

    Parkflyers International Parkjets

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  15. Flybyknight22

    Flybyknight22 Top Gun

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    Aaah SupaFly!
     
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  16. bogusbandit56

    bogusbandit56 Top Gun

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    I really enjoyed flying the P.40 today.
    I would like to install a larger motor for a bit more speed.
    I didnt really use the rudder except when rolling with the ailerons.
    I feel the plane may be nose heavy where I placed the battery and I am looking forward to flying the plane very soon. If the weather is suitable tomorrow I will do some more tests with the CG.
    I have to find or make a spinner for the model as it doesn`t look good without one.
    The weather was gorgeous today and the countyside looks beautiful in the spring bloom, I just hope we get some more like it.
     
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  17. Flybyknight22

    Flybyknight22 Top Gun

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    Absolutely Brilliant Ian!

    I love the way she flys.

    Very smooth and under control. It looks like it has enough power for very nice pleasurable flying.

    She looks superb in flight.
    IMG_2296.JPG
    IMG_2297.JPG
     
  18. Flybyknight22

    Flybyknight22 Top Gun

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    Lazy 8s and stress free flying!

    Can't beat that!

    Great plane Ian.
     
  19. bogusbandit56

    bogusbandit56 Top Gun

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    Thanks FBK. In it`s present form it is a wonderful plane to fly, but a few more horses would not go amiss. I will swap the Alison for a Merlin.
    I couldn`t believe when I stopped the motor and pulled the elevator back it just hung in the air like a Sukhoi:_..
    Some more paint a spinner and whopping great sharks gob should make the plane look a lot better.
    I was in a rush to get out and fly it:)
     
  20. bogusbandit56

    bogusbandit56 Top Gun

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    Thanks FBK for the kind words and great still shots:)
     

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