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  1. #1

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    Great Planes 1/3 Scale Pitts Special

    I want to finally get into bipes. I've been flying for about 8 years now (by myself, taught myself) and I think it's time to get my first bi-plaine. I've been using Great Planes products for many years and have been happy with their performance and quality. I wanted to know if the Great Planes 1/3 Pitts ARF would be a good Bipe to start with? Is it somewhat stable at low speeds? Can I fly simple maneuvers till I'm use to it and ready for more advance stuff? Also, I would like to get a Gasoline engine for it. They recommend a 2.5 cu in (41cc) gasoline/oil mix. Will I have any trouble with an engine like that?

    Thanks for any info. This will be very exciting getting to try a new style plane and a new type of engine. Any helpful links will be appreciated.

    Thanks again, great site

    <RCadmin: edit to add resource panel to thread>.

  2. #2

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    Great Planes 1/3 Scale Pitts Special

    VRE:
    I have been flying the pitts for about 6 months now, I have a zenoah g-62 in mine, I had to do a lot of beefing up & modifications to use this engine but it flies great with lots of power. The people I heard with us41cc in this plane say it doesn't have the power this plane needs, I would suggest the fox, brisson or taurus 3.2 or any other top end manufacturer. This is a great plane, but needs a lot of power IMHO
    MARRIAGE IS OPTIONAL, FLYING IS A
    \'\'NECESSITY\'\'

  3. #3

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    Great Planes 1/3 Scale Pitts Special

    Alright, I'll look into it. Is it a stable plane?

    Thanks

  4. #4

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    Great Planes 1/3 Scale Pitts Special

    Very stable my friend---simi-symetricial airfoil gives good lift at slow speeds--no spastic stall tendencies like a lot of other bipes. Taurus 3.2 on mine and love it beyond words.
    The Road Goes on Forever and the Party Never Ends - Robert Earl Keen

  5. #5

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    Great Planes 1/3 Scale Pitts Special

    Sounds great! Thanks for the help.

  6. #6

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    Great Planes 1/3 Scale Pitts Special

    I just have one more question. Do the wings come off like other planes for transport? I know it sounds silly but i have never thought about it with a bipe. Where can I get a 3.2 engine for a decent price?

  7. #7

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    Great Planes 1/3 Scale Pitts Special

    vre:
    Yes wings are removable for transport & you can get a zdz50 from www.rcshowcase.com right now for $425.00
    MARRIAGE IS OPTIONAL, FLYING IS A
    \'\'NECESSITY\'\'

  8. #8

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    Great Planes 1/3 Scale Pitts Special

    Will there be anything special i need to do to get that zdz50 in? What about a muffler? It's an expensive engine, but if it needs that much power i guess it's worth it

  9. #9

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    Great Planes 1/3 Scale Pitts Special

    http://www2.towerhobbies.com/cgi-bin...m?Q=1&I=LXKH44

    There's the engine Tower recommends by the way. US Engines 41cc 2.5 RC w/Spring Start & Muffler - 249.99


    As cheap as it is, I could get it soon and possibly have it flying mind october. But if it really isn't enough power, I guess it's better to save for the bigger engine.

    BTW, I want to use this plane mainly for sport flying. I don't plan on doing heavy acrobatics any time soon, although it's something I would like to do with it in the future.

    Again, thanks for your help.

  10. #10

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    gp pitts

    I have one of these planes and I love it! If you are looking to get a biplane that you can have fun with and not worry too much about you might want to think about the kyosho tigermoth. Now its not an all out aerobatic machine but it is a fun little plane.on top of all this it flies on a 52 four stroke. and you will have alot less money in it. But if you are set on the pitts the I agree with the other posts about a 3.2 gas engine. I run an FPE 3.2 swinging a 22x10 and it will yank this plane off the ground at 18#'s. stay away from the u.s. engines for this plane because It will have enough power to fly it but it wont get you out of trouble. Good luck with what ever you choose and happy flying.

  11. #11

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    Great Planes 1/3 Scale Pitts Special

    The US41 is a fine engine --- I own one myself. But it is not the engine for this airplane. That is like buying a Corvette and installing a 4 cly engine. Yes you can get from point A to point B and it will look just as good going down the highway----BUT-----My advice--Save the money and do it right. Next summer you may be thinking "I wish I had waited and spent the extra $200"
    The Road Goes on Forever and the Party Never Ends - Robert Earl Keen

  12. #12
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    PITTS

    I am putting a brison 2.4 in my pitts. I talked to a few people who are flying it with the fpe 2.4 and they said it is a great combo. Hope they are right, my plane weighs 15.5 lbs dry. I am using a 20x10 prop at between 6900,7000 rpm.

    Good Luck,
    Fred
    If I Dont Know What I\'m Doing
    How Do I Know If I\'m Doing It Wrong

  13. #13

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    Great Planes 1/3 Scale Pitts Special

    I've been flying this plane all season. It has a US41 and it does fly well. However, people are right. It does not have enough power for those vertical moves (even larger loops). You will also NOT be able to horse this plane off the ground at take off, or recover from a low stalling maneuver gone bad. However flying this plane with this engine will teach you how important it is to let the airplane natually gain airspeed (ie tail flying) during take off. It drives me nuts to see some of these guys pin the gas right from their feet and pull back on that stick as opposed to setting up for a nice take off.

    As for the Pitts, we are considering another engine ourselves. The ZDZ looks like it's a very nice, light and powerful engine for it's price. My only concern is since the carb is in the rear I will have to hack up the box a bit. So I think the BME or Brison engine may be the best in this case.

  14. #14

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    Great Planes 1/3 Scale Pitts Special

    One of my Buddy's has a G62 on his. Boy it is a great plane. If I owned a trailer I would get one. His firewall did start to come apart, but he never beefed it up to start with. THE US 41 is heavy!

  15. #15

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    Great Planes 1/3 Scale Pitts Special

    I'm building a Pitts kit from Pilot that someone pulled out of their closet. It is the same exact size as the G.P. ARF and I suspect the models are the same. I don't have a complete set of plans and am worried about all the rigging shown on the pictures. Do you G.P. Pitts pilots brace your wings, stab and rudder with wire or cables?

  16. #16
    DERF-54's Avatar
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    PITTS

    I made functional flying wires on my gp pitts. I made the tail flying wires out of 2-56 rod below the stab and fine steel fishing leader above the stab to the vertical stab. Hope this helps. If I can help you with the wire braces drop me an e-mail.


    Good Luck
    Fred
    If I Dont Know What I\'m Doing
    How Do I Know If I\'m Doing It Wrong

  17. #17

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    Great Planes 1/3 Scale Pitts Special

    Thanks Fred
    Has anyone seen this pitts fly with a Brison 2.4? I'm trying to power mine for without going broke and I saw one for sale.

  18. #18
    DERF-54's Avatar
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    pitts

    I havent seen one fly with this engine combo, nor have I flown mine yet. Ther are a ton of threds on this site though and alot of fpe 2.4 and moki 2.10 on this plane and the people seem to be happy with the setup. I hope to fly mine this weekend weather providing. Brison claims 21 pounds of thrust I belive on the 2.4 so if my plane wieghs 15.5 pounds the power to weight ratio is greater than 1 wich I think should be perfect for a little better than scale flight.
    p.s. if you make flying wires for your plane make sure you put a nylon end on a couple of the wires or you could make yourself a big triangle antena on the tail of your plane and maybe cause some radio problems.

    I'll post the flight results as soon as I can
    Fred
    If I Dont Know What I\'m Doing
    How Do I Know If I\'m Doing It Wrong

  19. #19

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    Great Planes 1/3 Scale Pitts Special

    r/cdragonfly:
    I've heard alot of good things about the fpe2.4, hadn't heard a lot about the brison. I am flying mine with a g-62 it is 3.8 ci & I really like the extra power, but it should be fine with the 2.4. as far as the flying wires, I have redone all of mine with dubro 2-56 kwik lock links & 2-56 rigging couplers, I used 35# leader material & crimps found in the fishing dept. @ wally world. The supplied material from g.p. was causing me to have to repair wires after just about every flight.
    good luck
    Gil
    MARRIAGE IS OPTIONAL, FLYING IS A
    \'\'NECESSITY\'\'

  20. #20
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    Great Planes 1/3 Scale Pitts Special

    The Pitts is a very good aircraft but forget about the US 41 get a good 50cc engine or at least 2.4 I have a zdz 60on mine and it is unlimited.

    It depends on how do you want to fly it but imo I will not fly it with an engine smaller than a 2.4.
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  21. #21

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    Great Planes 1/3 Scale Pitts Special

    Im having the pitts with a moki210 glow it swings a 20x8 menz at 7000rpm.

    its flying very stable even at low speeds but it only hangs at full power .

    so if its for 3d you would need more power, but for aerobatics no problem.
    ARF OR NOT TO ARF!!

  22. #22

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    Great Planes 1/3 Scale Pitts Special

    Flew mine for the first time today with a Fuji BT-50.Plenty of power. The Fuji bolts right in if you remove that flimsy box of a firewall. The plane balanced right on the mark with no weight added. Didn't try any fancy stuff as the engine is new out of the box and was a little balky at first, but had good vertical at only 1/2 throttle. I think this is going to be a great combo once the engine is broken in.

  23. #23

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    Great Planes 1/3 Scale Pitts Special

    Any more reports on this plane and which engine suits it well?

    I'd like to get one - I'm not into 3d but want good power.

    This would be my first gas plane if I don't go with a Moki 2.1.

    Any more feedback or suggestions on which gas engine (preferably that won't break the bank) is appreciated.

    Thanks,

    Jeff

  24. #24
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    PITTS

    I flew mine today for the first time, It preformed well with the brison 2.4. We found that the ele. throws at low rate are not enough for the landing, I think the book says 1" and that just is not enough I put 1.75 in the ele. with some expo and it is much better. The plane wieghs 15.5 lbs. on the scale and has pretty good vert. with a 20x10 prop but it is yawing to the left a little.
    Did anyone put extra right thrust in the plane? Also the cg is 5.5" from the leading edge should I move back a touch more? The stall is veary gentle and does not sneek up on you at all.

    Any info would be great

    Thanks in advance Fred
    If I Dont Know What I\'m Doing
    How Do I Know If I\'m Doing It Wrong

  25. #25

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    Great Planes 1/3 Scale Pitts Special

    After 5 flights I put mine on the workbench and added right thrust; reinforced the firewall, fixed a split wheelpant and moved the CG back a bit.

    I have yet to fly it after the mods. We'll see how it does. Power is a BME 50.

    Craig.
    Nothing is foolproof to a sufficiently talented fool...


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