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I have no experience with the KFm2 and appreciate your input. I did once build a KFm3 polyhedral wing for a trainer type in addition to an undercambered wing and an Armin wing for test purposes. I liked the KFm3 best for that application but had no comparison with a flat plate. I may use a KFm2 on my Mermaid build. Ted |
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Thrust Line
Marcel,
I've been meaning to ask about the thrust line you chose for the high mounted motor/prop. Have you experienced any noticeable pitch down tendencies with high power? What are your thoughts on setting the motor cant for a down angle like (but I'm sure not near) that on your Drongo design? IIRC you don't have a convenient place to fly off water but can we expect some flight vids soon (even if off grass)? Thanx, Ted |
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Mermaid Build
I got my Mermaid kit in the noon mail today. Hoosier Cutout Service mailed it on Thursday. Outstanding and unique packaging BoP! Everything arrived intact and I got right to work! Cut the parts from the sheet and started gluing! The trial fit of the parts was excellent, I only had to sand out my poor cuts of the retaining tabs.Hope I have enough pics for everyone! So far everything is great!
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I'm hoping to get some video during this week, unfortunately it takes a lot of organization. Quote:
All the best, Marcel. |
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Thanx for the quick response, and glad to hear your Mermaid doesn't suffer adverse pitching with power like many other designs. (Another sign of your great work ![]() 560g is remarkably light with a 2200 mAh battery. ![]() Waiting patiently for your video like a toddler waits for Santa on Christmas eve. ![]() Ted |
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19-20 oz sounds about right to me.
But as I was cutting it It just "felt" like I was looking at a larger plane. Two more going out tomorrow ! :-) Thanks folks ! Bob Hoosier Cutout Service. NEW DOMAIN name ! http://www.hoosiercutoutservice.com/ |
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![]() I have a question: your model plane wing? In one photograph, I saw profile ..., ribs? Please describe the manufacturing wing detail. Sincerely, Vladimir. ![]() P.S. Specify the center of gravity and position of the battery. Thank you! Vladimir. |
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Last edited by tkach; Mar 03, 2013 at 11:53 AM.
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The Original form Marcel is a simple FLAT FOAM wing.
Ken is doing a KF wing - probably a 40% layer on top of the original wing. Then on the previous page someone is doing a ribbed Foam built up wing. Bob Hoosier Cutout Service |
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Thanx Ken.
I didnt read that closely. Has 50% become a better # than 40% ? mI thought simple KF on top was 40% with ~ 1/4 rise at the back , last time I looked . Hey Ken ya goin to Toledo ? ( silly question ) I'll get there around noon Friday. Tony Pacos that night and leave early PM Sat. |
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Had lunch at Tony Pacos last year. Ken ![]() |
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Lunch ?
Ya gotta go for the Dixieland band and Friday night. I'm talkin about the OLD Paco's not one of the new ones. OK I'll check the swap area on Friday then |
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Here's the KFM thread ![]() |
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I got some video yesterday, will edit and upload sometime this week. Quote:
All the best, Marcel |
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