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  1. Larry B

    Scale Curtiss XP-55 Ascender

    Hi Doc, I am sure you have more "biplane" experience than I do, but I set up my Fiat with the upper wing having more incidence than the lower. From what I read the main reason this is done is because when the airplane stalls the upper wing stalls first, and this moves the center of lift further...
  2. Larry B

    Scale Curtiss XP-55 Ascender

    Hi Ace, The reason your stabs have positive incidence is because the wing has to much incidence so you are having to compensate for that. Do you set up your IMAC airplanes to a zero/zero incidence? The newer aerobatic models are flying the CG and the center of lift very close, and like you said...
  3. Larry B

    Scale Curtiss XP-55 Ascender

    Hi Ace, I have to disagree with you about the similarities between a canard and a traditional airplane. With the standard airplane design the tail always applies a down force to counter the nose trying to dive. The reason the nose tries to dive all the time is because the center of lift is...
  4. Larry B

    Scale Curtiss XP-55 Ascender

    Hi Doc, It seems to be flying like an airplane now with the gyro installed. I can say the last flight was pretty uneventful which is a good thing! I am concerned about the high wing loading but there is not much I can do about now. I tried to build as light as I could from the very first lay-up...
  5. Larry B

    Scale Curtiss XP-55 Ascender

    Made some more progress this weekend. Windows are all glued in place, and I did it without getting any big glue fingerprints on them! Also got the spinner painted, the serial number painted & a good start on the instrument panel. I still have to make the cut-outs for the exhaust stacks but I'm...
  6. Larry B

    Recent relocate in eastern Tennessee

    I checked out the plans, it looks like it would be a great flying airplane. Aren't there a whole bunch of new small gas engines that are on the market? If you want to go with gas instead of glow there has to be a perfect little engine out there. I would think something with the equivalent...
  7. Larry B

    Recent relocate in eastern Tennessee

    BalsaDust, The SE5 makes for a great flying model, a good big nose to hide an engine in and plenty of wing area. We will keep an eye out for your build thread when you decide to start cutting up the wood. With the winter weather setting in building season is upon us! Larry B;)
  8. Larry B

    Recent relocate in eastern Tennessee

    Welcome aboard Doc! I have been on GSN now for several months and have found nothing but good helpful modelers here. There is not a lot of scale builds but there are a few of us and the numbers are growing, Larry B:welcome:
  9. Larry B

    Latest Plane

    Hi Smitty, Uploading a picture is pretty easy on this site. Just click on "upload a file" that you'll find at the bottom of the box you are typing in. Then it's just chose a file and pick out the photo that you want. Larry B
  10. Larry B

    Scale Curtiss XP-55 Ascender

    Getting some more done on this thing, the cockpit windows are all cut out but still need some "clean up". The retracts are up and running complete with nose gear doors to cover up the big hole that has been in the bottom of the nose. And also I finally broke down and gave up trying to balance...
  11. Larry B

    Scale Top Flite P-40 Build Thread

    Just went thru your build thread, looks like it's gonna be a great model! I have always liked the classic AVG Chinese color scheme, sharks mouth & all:way_to_go:
  12. Larry B

    Scale Curtiss XP-55 Ascender

    Earle, I have had to make several serious mod's to this pig in order to get it this far. The major changes are the enlarged canard area, and the other is the moving of the main gear forward to help in takeoff rotation. the first model had the main gear in the scale location which put much more...
  13. Larry B

    Scale Curtiss XP-55 Ascender

    Thank you guys for all the kind works and helpful info, it has been a long road with this project. February 2011 is when I first started the plug for this silly project, now 5 years & 2 models later it looks like I may have whipped it. I don't think this model will be a contest worthy airplane...
  14. Larry B

    Scale Curtiss XP-55 Ascender

    Flight #5, Is this the same model? I think the gyro may have saved this toad.:dancing-chicken:
  15. Larry B

    Scale Curtiss XP-55 Ascender

    Thanks Doug, I never thought of that, I am using 30% expo for the canard. I have ZERO experience with gyro's so that is a good bit of info to think about.:)
  16. Larry B

    Scale Curtiss XP-55 Ascender

    Yes! Flight #5 was the best one yet. I moved the CG forward just a bit, installed the nose gear doors, and most importantly installed a Futaba GYA 430 single axis gyro for the elevator. It was like a whole new airplane, NO crazy pitch tendencies. I am still thinking I might move the CG aft just...
  17. Larry B

    Scale 50cc Scratch Build From My Own Design Revisited

    Beautiful! You know there are some airplanes that you can just look at and tell, that is going to fly like a dream:way_to_go: (And then there is the junk I build) Larry B
  18. Larry B

    Scale Curtiss XP-55 Ascender

    Finally got the landing video posted of flight #4 on You Tube, man that was a handful of airplane. I know it looks like I am really being "ham fisted" on the elevator but Abe said I was just touching the elevator. I am moving the CG forward just a bit and installing a Futaba single axis gyro...
  19. Larry B

    Futaba GYA 430 vs. GYA 440

    Thank you for the input, nobody around here uses any type of gyro so I am kinda out here on my own. I think that the Futaba gyro system will let you switch modes from the TX which is really cool, that way I can get up nice and high with the model and experiment with it. I believe that the gain...
  20. Larry B

    Futaba GYA 430 vs. GYA 440

    JetPainter, So with the AVCS if you make a control input the tail of your heli model will swing around to where you want it until you let the stick go back to center? Then the tail will stay there until you make another change, is that correct? I want to put the gyro on the pitch axis, or...
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