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Old Oct 20, 2013, 09:48 AM
CNC Cutter
birdofplay's Avatar
United States, IN, Indianapolis
Joined Dec 2005
8,761 Posts
Well !!! I noticed that this AM that my site is overwhelmed AGAIN !!!

It's SO BAD I cant even get IN enough to figure out what is happening ?

AND it's the weekend so the ISP is not going to be there either :-(

The LAST time this happened was when Otto's Flying Witch
or ManOnBroom Vid went viral.

I got a couple of sales and then NOTHING !
2 million hits on the Vid and I got 3 sales !

If you need anything just E-mail me

bob@balsabuddies.com or bob@hoosiercutoutservice.com
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Old Oct 21, 2013, 11:02 AM
Joined Aug 2011
2,818 Posts
Flying with a full moon

Went out last Friday to fly with the full moon after sunset. I first flew my Pumpkin Head to warm up the camera crew but let it get too dark for the Witch flights. Shutter times were too long and blurred most of the pictures. Here are the best. We have some videos that I'll post once I get them in my hands.

Pumpkin Head photos are in the Flyguy thread.
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Old Oct 24, 2013, 05:38 PM
Joined Aug 2011
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Video

Happy Halloween !!!

RC Flying Witch with Full Moon Rising by Otto Dieffenbach (0 min 54 sec)


Pumpkin Head Flyguy at Sunset with Full Moon Rising by Otto Dieffenbach (0 min 50 sec)
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Old Oct 30, 2013, 11:36 PM
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United States, MI, Farmington Hills
Joined Jul 2012
11 Posts
Witch first fly

RC Flying Witch (3 min 20 sec)
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Old Oct 30, 2013, 11:56 PM
Registered User
United States, MI, Farmington Hills
Joined Jul 2012
11 Posts
Hi. Otto if you can give me advise i'll be happy. My first fly was not bad as you can see last video, but difficult to control (turns) SG is 15mm back.
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Old Oct 31, 2013, 01:16 AM
Joined Aug 2011
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Quote:
Originally Posted by leon28 View Post
Hi. Otto if you can give me advise i'll be happy. My first fly was not bad as you can see last video, but difficult to control (turns) SG is 15mm back.
Congratulations..... that is one wild witch.

Yours almost acts like it has elevons and not elevators. Elevons are useless. I fly mode 2 and have rudder (broom) control on the right stick with the two elevators. There is nothing on the left stick but throttle.

The CG appears to be close. If you have the control system set up as stated, the throws correct and the linkages are tight it must be the CG. Where are you measuring the CG from? 15mm? Do you mean 15 CM? Post 32, step 31 states the CG as 10.5 inches for the Witch from the front of the chest plate back.

One other thing to look at is all your alignments.

I looked at your video a second time. She seems to want to turn left and you were constantly fighting her to the right. This could be CG, part alignments to include thrust or you may need more broom surface area at the tail for stability. Make sure your thrust is 0/0. Make sure all surfaces are 0/0 with each other. If all is good, try flying without the top of the hat. This will greatly improve weathervane stability and you should see a difference in flight. You then will need to add more broom surface to fly with the hat top. My first priority would be to verify CG and alignments because it really looks like one of those two items.
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Last edited by Otto Dieffenbach; Oct 31, 2013 at 01:31 AM.
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Old Oct 08, 2014, 07:37 PM
Joined Aug 2011
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New Video 2014

Here is a new video of the Witch over San Diego.

http://youtu.be/1BbXD7jFSro
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Old Oct 11, 2014, 07:12 PM
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Dave Barrow's Avatar
United States, KY, Covington
Joined Feb 2003
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Awesome Witch Otto, best one I've seen yet.
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Old Oct 11, 2014, 08:03 PM
Fly,Crash, Burn,Fix, repeat
Gravythe Clown's Avatar
United States, CA, Fresno
Joined Dec 2013
387 Posts
That is Awesome.

I'm going to build this for next year and put my EX wife's pic on it after I got a little green color change to it. She's a real witch and what rhymes with witch . Then I'm going to add a sound system with cackling on it. I wish I would have see this in August, I would have it done for this year.

Gravy
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Old Oct 16, 2014, 10:30 PM
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United States, MD, Solomons
Joined Feb 2002
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Quote:
Originally Posted by Otto Dieffenbach View Post
I looked at HK. These should work with the 10x7x3 three blade prop:

G10
Turnigy LD3730A
Turnigy L3015A
Otto,
I just ordered the Witch kit from Bob. Which G10 motor do you recommend?

1200KV: https://www.hobbyking.com/hobbyking/...er_1200kv.html

1100KV: https://www.hobbyking.com/hobbyking/...er_1100kv.html

Thanks
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Old Oct 16, 2014, 11:50 PM
Joined Aug 2011
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Quote:
Originally Posted by gromitvt10 View Post
Otto,
I just ordered the Witch kit from Bob. Which G10 motor do you recommend?

1200KV: https://www.hobbyking.com/hobbyking/...er_1200kv.html

1100KV: https://www.hobbyking.com/hobbyking/...er_1100kv.html

Thanks
Either would work. I would tend to go with the higher kv and run a smaller diameter prop. I run the E-Flite Power 10 and fly around at 50% power most of the time. I do recommend a hat change and I'll post some info soon.
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Old Oct 17, 2014, 07:01 AM
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birdofplay's Avatar
United States, IN, Indianapolis
Joined Dec 2005
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And I am shipping 3 more today.

Happy Halloween !

Bob
Hoosier Cutout Service
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Old Oct 17, 2014, 10:25 AM
Joined Aug 2011
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Hat modification

I've posted the hat modification in step 30. It is not absolutely required but it will remove yaw hunting at neutral.
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Old Oct 17, 2014, 08:57 PM
Joined Aug 2011
2,818 Posts
Vinyl printed face for your Witch/Wizard.

If you would like, my graphics house has agreed to print vinyl graphics for your project but it is $30 for both the left and right side. What I would need is a high quality side image of the face you desire and a minimum of 3 orders. Sample attached.

Best, Otto
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Old Oct 19, 2014, 05:01 AM
Registered User
United States, OH, Mogadore
Joined May 2009
2 Posts
Thanks again Otto

Here is my Halloween project.
I loved the broom flyer so I decided to build one. Its real close to maiden flight. Just need to finish his head and neck and shorten the front landing gear.
Pretty much same as Ottos but I opted for a hobbyking alloy servoless retract for the front wheel, a lil extra foam to the front of the Nimbus 2000, and the head.
After maiden flight I will detail him out with the airbrush.
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