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Old Jan 14, 2010, 06:20 PM
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leadfeather's Avatar
Joined May 2006
9,660 Posts
Idea
Apache Longbow, Aerobatic foamy gyrocopter; VIDEO ; ** PLANS**

Here is something a little different. An autogyro that looks like a helicopter that flies like a plane; and best of all it's a scratch built foamy.

It is modeled after the awesome AH-64. I named this one the AG-64; AG stands for autogyro. Apache Longbow.

If you're interested in how this came from concept to contraption check out this thread in the autogyro forum.

This little whirly bird is fairly easy to fly and it is made from epp so I'm hoping it will have a long useful life. It is not suited to beginners, however and takes a little more skill to fly than does a trainer plane.

I hope you guys enjoy the video, I sure enjoyed making it!


Note that gyrocopters are trickier designs to get to fly right. Don't deviate from the plans; especially the rotor design; or chances are it won't fly and you'll have wasted time and money. Please pay close attention to the glue details for the rotor blades...CRITICAL.

Updated Plans

Apache Longbow autogyro (4 min 22 sec)
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Last edited by leadfeather; Feb 22, 2010 at 06:31 AM.
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Old Jan 14, 2010, 06:21 PM
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leadfeather's Avatar
Joined May 2006
9,660 Posts
Ag-64 PLANS

Updated Pans. Once again Ken (dz1sfb) has done an absolutely great job producing plans.

Note that gyrocopters are trickier designs to get to fly right. Don't deviate from the plans; especially the rotor design; or chances are it won't fly and you'll have wasted time and money. Please pay close attention to the glue details for the rotor blades...CRITICAL.
Material


Airframe 9mm 1.3 lb epp, 3mm carbon tubes

Rotor 3mm epp, 3mm carbon tubes

Hub: 1/16 music wire, 3/32 brass tubing, 1/16 ply and 1/8 balsa

Guts

Motor Turnigy 2730-1500, 8043 prop

Plastic motor stick

Servos 2 or 3 of HXT 500 depending on 3 or 4 ch set up

Battery 3s - 360 mAh Rhino or similar

Mystery 12 A esc
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Last edited by leadfeather; Feb 22, 2010 at 06:33 AM.
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Old Jan 14, 2010, 06:22 PM
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leadfeather's Avatar
Joined May 2006
9,660 Posts
Ag-64

Build photos.

The building techniques are pretty much the same as most epp planes and pretty easy to do.

Please note that the plans are drawn up for a "flat build". this means that all of the horizontal fuse fins and stub wing pieces are assembled first then, the vertical pieces get added. the result are just the same, but I wanted to avoid confusion between the build photos and the plans. Also the plans show a conventional elevator and not taileronss as shown in these photos.
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Last edited by leadfeather; Feb 05, 2010 at 06:58 AM. Reason: typo
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Old Jan 14, 2010, 07:31 PM
Not your average DiggsyBear
Diggs's Avatar
Raleigh, NC
Joined Dec 2006
8,859 Posts
Wow, pretty crazy. I noticed the change on the avatar pic last night and was wondering what that was all about. Saw a few pages of the autogyro thread you started for the cyclone and was very impressed with the rotor design. This looks like a very cool indoor flyer.

Diggs
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Old Jan 14, 2010, 07:38 PM
duct tape and hot glue
bungholio's Avatar
Olympia,WA
Joined Dec 2009
294 Posts
is there a motor for the main rotor or is it just powered by air?
Thats really cool and people who see it would probably be wondering why it was flying so airplaneish
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Old Jan 14, 2010, 07:44 PM
In the 20' glider range
anti-gravity's Avatar
Boise, Idaho
Joined Jul 2009
4,503 Posts
Air.
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Old Jan 14, 2010, 08:41 PM
Registered User
Joined Jul 2009
143 Posts
Looks like fun.. Awaiting the plans!
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Old Jan 14, 2010, 08:43 PM
Got Thermals???
Fishjunky's Avatar
United States, UT, Roy
Joined Apr 2008
5,210 Posts
Very cool.
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Old Jan 14, 2010, 08:57 PM
NewFlyer
KenChin's Avatar
Kuala Lumpur, Malaysia
Joined Aug 2006
624 Posts
Gyrocopter or something like that... very unique design !!

Has it passed the flying test? Will it ROG ?
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Old Jan 14, 2010, 09:07 PM
Fly it like you stole it..
Tram's Avatar
Florence, Al
Joined Oct 2000
29,305 Posts
Oh now that is awesome..
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Old Jan 14, 2010, 09:59 PM
SG Talon... Super Genius.
Lenox, Michigan
Joined Nov 2005
3,148 Posts
Holy crap LF!!!

Now that is awesome! The VTOL stuff was cool but this is amazing!!!

I think i am going to have to get into some autogyro stuff now!
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Old Jan 14, 2010, 09:59 PM
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leadfeather's Avatar
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Thanks Guys! I was hoping I wasn't the only one that thought this might be a cool concept.

I'm really happy with how well if flies already. I still have some fine tuning to do but at least I'm at the stage where I feel like I've succeeded with this project, so now it is a matter of how far I can take it.

Here is an inspirational video of the "real deal" doing some aerobatics.

AH-63 Apache (0 min 52 sec)
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Old Jan 14, 2010, 10:17 PM
NewFlyer
KenChin's Avatar
Kuala Lumpur, Malaysia
Joined Aug 2006
624 Posts
Sorry for the silly questions... another great build Dan!
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Old Jan 14, 2010, 10:19 PM
SG Talon... Super Genius.
Lenox, Michigan
Joined Nov 2005
3,148 Posts
When i get back from my trip to China i may just have to put one of these together.

After watching the video i was wondering if it would float a little better with larger rotor blades. It seemed to be a bit heavy when it was flying around.

Did you round off your rotor blades at all? Did you use any kind of bearing on the rotor hub? I could see how a really slippery rotor would really help the performance.

Pretty excited about this one!
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Old Jan 14, 2010, 10:34 PM
Pug Pilot
moxjett's Avatar
Wichita, Kansas
Joined Dec 2004
801 Posts
Wow....that's really cool Dan. Looks like you have another winner. I hope to get a chance to fly it at the next indoor event.
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