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  1. #401
    Bipe Flyer's Avatar
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    RE: 1/2A trainer anyone?

    It was a guesstimate of everything except fuel. Consider it the target weight. Mncaerobat's came out to 28oz and he said it flew great with a Norvel .049.
    Bulldog Brotherhood #4
    1/2A all the way!
    Club Saito #151

  2. #402
    D Bronk's Avatar
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    RE: 1/2A trainer anyone?

    OKay thanks, I should be pretty close to your goal weight then.I`ve used all your recommended equipment ,except, I had to go to a steerable nose wheel,there wasn`t enough room, for the clamps otherwise.In your oppinion Andrew,what would you do, for length ,and width,for a ski for this plane(mains and nose).I see ,your going to need skis too ..LOL
    Dave B. ------ Corsair Brotherhood # 11-------
    I am a,#11,cause,,I`m 10% Better,than a perfect \"10\".

  3. #403
    D Bronk's Avatar
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    RE: 1/2A trainer anyone?

    Forgot the pics
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    Dave B. ------ Corsair Brotherhood # 11-------
    I am a,#11,cause,,I`m 10% Better,than a perfect \"10\".

  4. #404

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    RE: 1/2A trainer anyone?

    Dave,
    You will need to adjust your landing gear legs so the model sits with the nose slightly down, :-ie slight negative angle of attack on the wing. Otherwise it will allways balloon back into the air on landing. Wereas with a nose down attitude, as soon as the mains make contact(first) they pull the nose down and keep the model planted on terrafirma.
    Stewart

  5. #405
    Bipe Flyer's Avatar
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    RE: 1/2A trainer anyone?

    I prefer a slightly positive AOA to aid in rotating on takeoffs and prevent the nosewheel from digging in on landings. Do you fly off of pavement or grass, Stewart?
    Bulldog Brotherhood #4
    1/2A all the way!
    Club Saito #151

  6. #406

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    RE: 1/2A trainer anyone?


    ORIGINAL: Bipe Flyer

    I prefer a slightly positive AOA to aid in rotating on takeoffs and prevent the nosewheel from digging in on landings. Do you fly off of pavement or grass, Stewart?
    Only ever flown off grass, if the mains are just behind the CofG then rotation isnt a problem , unless its too nose down- only needs about 2 deg.
    Stewart

  7. #407
    Bipe Flyer's Avatar
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    RE: 1/2A trainer anyone?

    I fly off of grass too. Dave's nosewheel looks like it will be easily adjustable, so he can try it both ways.
    Bulldog Brotherhood #4
    1/2A all the way!
    Club Saito #151

  8. #408
    D Bronk's Avatar
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    RE: 1/2A trainer anyone?

    Hi guys I`ve just got wheel collars on the main shaft and its really not set in any particular way yet.and no flats have been cut into either.I have to pull it apart to put amount so I can hook the cable from the nose wheel back to the Rudder servo.Only problem is, that the engine has to be removed to get at the collars. The good thing is, it will only have to be done, every 6 months as the seasons change, and the wheels come off, and the skis go on.I`ve got the ailerons working now ,with the servo mounted,and the push rods made.It really works well..Ill have to make holes in the fire wall, for the various hoses, and throttle linkage.I`m really shooting for the posted weight,and since I bought, all this light weight equipment ,I really want to balance out, with the on board equipment, only.

    I found, A sheet ,of really nice ,light gauge aluminum for skis.With the right kinks, and folds should should come out pretty strong without a lot of weight added.. Any suggestions to Width ,and length for them.The snow conditions change pretty quick out here .IT`ll be powder one day, the next, it will get a crust on it .
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    Dave B. ------ Corsair Brotherhood # 11-------
    I am a,#11,cause,,I`m 10% Better,than a perfect \"10\".

  9. #409
    Bipe Flyer's Avatar
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    RE: 1/2A trainer anyone?

    I see you have differential on the ailerons; good plan on a trainer.
    Bulldog Brotherhood #4
    1/2A all the way!
    Club Saito #151

  10. #410
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    RE: 1/2A trainer anyone?


    ORIGINAL: Bipe Flyer

    I see you have differential on the ailerons; good plan on a trainer.
    BIPER If need be, I can put equalentialization on the ailerons, by making up another set of control rods,and installing them,thereby equalentulating the system.

    Doomsday todaynot sure when I`ll be up to modelling ..
    Dave B. ------ Corsair Brotherhood # 11-------
    I am a,#11,cause,,I`m 10% Better,than a perfect \"10\".

  11. #411
    Bipe Flyer's Avatar
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    RE: 1/2A trainer anyone?

    Good luck with your operation Dave. I hope all goes well.
    Bulldog Brotherhood #4
    1/2A all the way!
    Club Saito #151

  12. #412
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    RE: 1/2A trainer anyone?

    Dave,
    I hope the operation went well and you are not in pain! I hate being put under..
    Looking at the picture of the front wheel wire/motor mount, is there room for the wheel collars holding the verticle part of the wire to go on the outside of the motor mount, instead of inside, so you don't have to pull the motor to go from snow to rolling mode?
    You may even be able to use just one collar on only the bottom, if you glue a washer or something between the hole where the wire comes trough the 'chin' and the wheel collar to take up the slop..
    Clint

    the preceeding may be false

  13. #413
    D Bronk's Avatar
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    RE: 1/2A trainer anyone?

    Thanks Guys,I made it out ALIVE..Big time pain.GOT enough pain killers, to overdose a horse.FEEL ,DOPEY ,nausiated, and pretty ill .I`m just very happy to be back home..CLINT I don`t mind pulling the engine once in a while ,I`m probably going to use it in that Herr Texan AT-6 kit too untill I can pick up another engine I`m not thinking very clear so ,Ill do a bit of reading and calm down and go top sleep soon ..I hit a hobby shop for supplies today before I went to the hospital.I`m going to do a quick post in the BEE thread
    Dave B. ------ Corsair Brotherhood # 11-------
    I am a,#11,cause,,I`m 10% Better,than a perfect \"10\".

  14. #414
    D Bronk's Avatar
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    RE: 1/2A trainer anyone?

    I was tinkering with the Trainer a bit yesterday ,just stuffing things inside the fuse ,to see how things would balance.LOOKs like I`ll be able to get this plane balanced out, without adding weight anywhere ,by just, moving things around a bit.ONCE I`ve got this plane all together, I`ll take it to the post office, and get it weighed, too.I`m going to try, and start mounting equipment ,in their permanent locations.
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    Dave B. ------ Corsair Brotherhood # 11-------
    I am a,#11,cause,,I`m 10% Better,than a perfect \"10\".

  15. #415
    DustOffUH1's Avatar
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    RE: 1/2A trainer anyone?

    Hey D,
    That plane is looking very nice. Nice color scheme & very nice job covering! Hope you're feeling better day by day after goin under the knife.
    Take Care!!
    Lots o Planes & Helicopters. 5 more planes & 1 heli to build

  16. #416
    D Bronk's Avatar
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    RE: 1/2A trainer anyone?

    THANKS DUST . FEELINg DOPEY Still,.. I`m scared, to do much, with the plane, for fear of doing something to it, and then, regreting it later.I think I better not pick up the GLUE or the tools today yet,or I might end up with a Trainer glued/screwed, to my head/hand .I`m taking pain killers so, I`m flying ,just with No Airplane though... LOL. DON`t they say," time heals all wounds"[&:].Eventually, I`ll get back, at it again.It`s almost time, for a NAP ,again......... .DAVE B.
    Dave B. ------ Corsair Brotherhood # 11-------
    I am a,#11,cause,,I`m 10% Better,than a perfect \"10\".

  17. #417
    Bipe Flyer's Avatar
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    RE: 1/2A trainer anyone?

    That's looking really good Dave, but why are you flipping me the bird?
    Bulldog Brotherhood #4
    1/2A all the way!
    Club Saito #151

  18. #418
    D Bronk's Avatar
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    RE: 1/2A trainer anyone?

    THATS the drugs talking ,plus those fingers are ,the most photogenic fingers, I have Okay, really I`m just trying to say ,You are NUMBER 1 .
    Dave B. ------ Corsair Brotherhood # 11-------
    I am a,#11,cause,,I`m 10% Better,than a perfect \"10\".

  19. #419
    D Bronk's Avatar
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    RE: 1/2A trainer anyone?

    UH Oh.Here I go thinking, and getting ideas again..BIPER how do you feel about doing some more designing/drawinging.THIS might very well be helpful/useful to a beginer..I`m definately not an AERO-engineer.What do you/others think?
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    Dave B. ------ Corsair Brotherhood # 11-------
    I am a,#11,cause,,I`m 10% Better,than a perfect \"10\".

  20. #420
    Bipe Flyer's Avatar
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    RE: 1/2A trainer anyone?

    What those devices are doing is making the AOA on the inboard portion of the wing higher than the outboard portion, so that the plane will stall straight forward instead of tip stalling to one side or the other. You can achieve the same effect by adding washout, which is done by twisting the LE of the wingtips downwards. The lower the wing loading, the less important this is. If it comes out at the target weight the loading will be 8.1 oz per sq ft.
    Bulldog Brotherhood #4
    1/2A all the way!
    Club Saito #151

  21. #421
    D Bronk's Avatar
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    RE: 1/2A trainer anyone?

    SEEEE. That`s why, I look, before I leap now..
    Dave B. ------ Corsair Brotherhood # 11-------
    I am a,#11,cause,,I`m 10% Better,than a perfect \"10\".

  22. #422
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    RE: 1/2A trainer anyone?

    BEEN DRAWING up skis .Next I`ll fold one up, out of paper, and see how it looks.MAYBE THIS EVENING, I`ll BEND ,one up,in aluminum, and see.. I m going to make the skis up, in an assembly, if things go as I`m hoping.
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    Dave B. ------ Corsair Brotherhood # 11-------
    I am a,#11,cause,,I`m 10% Better,than a perfect \"10\".

  23. #423
    D Bronk's Avatar
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    RE: 1/2A trainer anyone?

    I folded up a practice paper ski .NOW,I need to fold up, a left, and ,a right ski.out of aluminum.
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    Dave B. ------ Corsair Brotherhood # 11-------
    I am a,#11,cause,,I`m 10% Better,than a perfect \"10\".

  24. #424

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    RE: 1/2A trainer anyone?

    Hi D,

    Hope your feeling better. I really like the color scheme on this modle! I'd like to know how those skies turn out. I'll be needing a couple new pairs as we now have quit a bit of snow on the graound hereand I have two new planes. I usually build up bass wood skies or purchase a set. But these metal fold ups look interesting. I have to wax my skies a couple time during the season. I use turtle wax patse wax or skie wax for this. I helps to keep the snow from sticking. I'm beating the snow will stick to the metal skies much easier and they may require waxing more often. It will be interesting see...

    I also love that you have kept this tread up and informaed on the progress of you build. It will make this thread valuable to anyone who wishes to build this little gem. You've done a wonderful job and the amount of information that has been presented here would make a lovely construction manual. Perhaps the message here should be organized and save on 1/2A all the way in an online manual format or pdf file. I can even see projects like this becoming something of an open-source plan, construction article site. Now there's an idea. A site with nothing but plans and construction articles and threads....

    Well, I really just wanted say good job!




  25. #425
    DustOffUH1's Avatar
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    RE: 1/2A trainer anyone?

    I agree with Cowboy. Very nice job! I'm also interested in how the ski's turn out for you. What the material you're going to make them out of, where you got the plan for them etc. We have a small house up in WI on a lake and ski's would be a nice addition to one or more of my planes, so I could fly em off the frozen lake. I did crash my Donald 4 Seaplane on the "frozen tundra" and it wasn't pretty, sounded really bad too. It just echoed across the lake [:@] I also agree that this thread is invaluable to someone who wants to build this plane. You, Bipe & everyone who contributed deserves a lot of credit
    Thanks Guys!!!
    Lots o Planes & Helicopters. 5 more planes & 1 heli to build


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