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I was wondering if you did any other video on this subject. I am working on project for missionary group and would like to use a KFM-3 airfoil

still flying mine

Well, I'm impressed! The KFm-3 looks hokey at first glance and much like a bumblebee, it shouldn't work aerodynamically, but somehow, it does anyway! Plus, the ease of construction and added strength at the expense of only a slightly decreased foil efficiency would seem to be a good trade-off. Overall, a perfectly viable way to build an aircraft.

I love it this. This is simple and to the point. Exactly what I needed.

Bravo... gentils hommes

so which one is which airfoil.. that would have been more helpful in your discussions

Omg just seen the motto. I did a maiden flight of a model I built today and said those exact words!

great work man! awesome idea! gonna use this for my pixhawk drones for sure....i also have taranis sliders on sides of my 9xr pro ,but i still would love to do this to and see what i like better....maybe have use for both ,who knows......anyway,thanx for making this video man!

do you how to calibrate a esc with this radio regards dean

Nice, exactly what I needed. Just enough information to get er done. I am building the FT Bronco and wanted this feature. This is the only video I found to do this with the 9XR and stock firmware, thank you. Subscribing.

Nice flying 👍

thanks, you save my life!

the best plane i've ever build

What is that plane?

4:37 - Looks like you got the laser blasters extended...

You bought a 9xr? I feel sorry for you.

Nice, But I wish you would do another video like this but more in dept and a bit slower.

hello, thank you for your great video here. I own a quadcopter and 9xr RX. I would like to mix the YAW control with one of the sliders (P1-3). I would like, being on hovering state, to use one of the sliders in order to get a steady 360 degree panorama view video. Do you have any suggestions?

Nice footage, just a tip, gopro is widescreen in 1080 and 720 p , not 920

that wasn't a real crash, YOU CAN DO BETTER! :-)

THAT was pretty darn neat!! Must be a small fortune in equipment . Great flying too , got pretty close to some of those trees. Good job.

Hey Can you please tell me about your gear and rc setup

I accidentally put 125 + throttle on the switch, when I turned the plane on it went full throttle! D'oh!

Hello anybody there ?

Hii, where can find this plane's wing details. if you have any plan or details can you share with me?

I tried this recently and the only reason mine was better is because it was in a small area. I use a 2.1mm lens on my mini quad which made the plane dissapear with a little distance. Hopefully a 2.8mm will help with that. Keep it up.

Do you have any down thrust on the motor for the FunBat, I built one and it just seems to want to climb al the time???

Awesome! Thanks. I have been looking for a video that shows me this for the longest. I can't believe it was that easy.

What FC are you running? P gain seems way to high with all the oscillation. Otherwise excellent forward flight and speed!!

great vid thanks was looking for this

I am curious if you've worked out how to put limits on the pan servo when in the pan/tilt control state. I'm lookin at using a HK winch servo. Cheers.

Hey mate that's pretty awesome. I'm trying this setup on a fixed wing APM but not quite getting it sorted. I have my mode switch mixes on ch8 so I have a set of mixes like yours but on ch 5 & 6 using the Ele switch. When I flick the switch my right gimbal outputs to ch 5 & 6 instead of the elevator and aired on but if I plug servos into outputs 5 & 6 on the APM the servos don't respond. Got me puzzled. Any idea what I could be doin wrong? I'm also running CPPM from an Orange OpenLRS UHF but I can't see that matters as everything else is doing as it's supposed to... Any help would be much appreciated mate.

Great videos on the 9XR! Very helpful. My preference on my all model setups is that all switches on the radio are in their down position when ready to go. Makes it easy to remember the radio setup for a plane when you have >20 planes. I used this video but configured it with THR instead of !THR.

the music has to go

Go Sea Duck.........GO!!!!!!!!!

Thanks all. And this is NOT an original design. I found this at RC Groups. Here's a link to the thread, the plans can be gotten there. :) www.rcgroups.com/forums/showthread.php?t=677376

VERY NICE. Plans?

I like this plane. Was it hard to build? How long did it take? I have plans for this that been on the to do list. Oh btw nice one :)

Looks awesome :-)

Super mario remix! COOL!!!! BTW Nice plane

Great video.... I know I have seen the build for this plane somewhere...... where was it????? Can't wait to see it fly off the water.

I'am glad to see you are making videos again.

I've had so much fun watching these engineers.

He says "please tell me the birds where in that!". lol 4:03

Yes it was a scratch build. both planes were designed and built for this set of tests.

This is the design I want to copy!!!!!! Great flying man !

Is the neon colors on your plan colored packing tape?

Interesting test guys. The KFM will have higher drag - separation is drag. The chief advantage I can see of the KFM is ease of construction on some models. Our models are relatively draggy and over powered, so it's a hard thing to measure. Thus the difference may not have been obvious in this test. A boat operates differently. Steps on a boat hull cause an aeration of the flow between the water and the surface, reducing the contact area, but not increasing lift on the hull.

Can you prop stall with this?

Same principle is applied to high speed boats. It's called a 'stepped hull' and it's all about reducing friction.