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Old Jun 16, 2007, 05:07 PM
Begin with end in mind...
power's Avatar
Eagle Lake, Minnesota
Joined Apr 2003
5,613 Posts
Build Log
The "Beast" This is one of a kind..........

Hi all, this is called imagination overload I decided to design an AP ship that meets my needs.

First off, I prefer front mounted motors over pushers, so I needed prop clearance. I also like my cameras facing forward so the side mount was not an option. Lastly, I wanted the lightest wing loading I could get while keeping it strong.This thing is a mix of just about everything. I used a honeycomb construction method on the fuse using a length of sharpened conduit to make the holes then the fuse is sheeted with 2mm Depron using Sumo glue. The motor mount and wing saddle are reinforced with 1/32 ply laminated to the foam with UHU.

The wing is hot wired from templates I made from a Telemaster airfoil. It has a 13 inch cord and is 63 inches wide. I opt for the polyhedral type wing so I could use the an "I" beam type spar in the center section. Just shy of 820 squares gotta love it! The wing is captured by a channel, then rubber bands are used to secure it to the fuse. I do not like the rubber bands but it is still the lightest method to mount a wing.

Pull pull setups are used for the controls, again for weight reasons. With a tail moment this long pushrods are not an option.

The wheels are band sawed from a type of black foam similar to the white spongy stuff some computers are packed in. The holes are put in with the same sharpened conduit. Just try to find a 4.5 in wheel that weighs 8 grams I used cool little wood beads from Michaels for wheel stops.

The tail wheel is a GWS I had laying around. I will post more pics and explain some of the details. Here are the overall specs for now...



Wingspan 63"
Length 52"
Motor AXI 2814-16
Prop 11-5.5 APC-E
TP Extreme 2070 3s
ESC PH-45
AUW (with battery) (no camera) 1022 grams 36.5 oz

The face is cut from Solite trim sheets. Kinda scarylooking huh?

I have no idea how this thing will fly, we will find out very soon.

The build thread V2 of the Beast starts at post #83:

http://www.rcgroups.com/forums/showp...3&postcount=83

Plans for the Beast are included. C.G. LOCATION IS 8.625 FROM T.E. FORWARD


Landing gear Mod: http://www.rcgroups.com/forums/showp...&postcount=247

http://www.mvqf.com/power/Beast/Landing.wmv (Backyard landing )

"The Adventures of the Beast" Thread (Videos )

http://www.rcgroups.com/forums/showt...ighlight=beast

Mike
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Last edited by power; Oct 21, 2007 at 11:39 AM.
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Old Jun 16, 2007, 05:12 PM
Begin with end in mind...
power's Avatar
Eagle Lake, Minnesota
Joined Apr 2003
5,613 Posts
Here is a shot of the fuse before and after sheeting.....
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Old Jun 16, 2007, 05:15 PM
Professor of Wood
kd7ost's Avatar
Nampa. Idaho
Joined Nov 2004
4,266 Posts
Wow, that is different alright.

Keep us posted on the flight.

Dan
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Old Jun 16, 2007, 05:19 PM
Registered User
rchawks's Avatar
st joseph mo
Joined May 2004
2,086 Posts
Looks like a excellent idea! I like it!!!
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Old Jun 16, 2007, 05:33 PM
Registered User
quailbird's Avatar
Rich Hill Missouri 64779
Joined Nov 2003
8,400 Posts
At first glance I ran into my bedroom and hid under the covers.......Naw! It's got a wonderful wing on it. I think it will fly great and also slow if need be. It's very inovative and cool. Can't wait to see the beast fly. Hope you get some ground video as well as in air videos.
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Old Jun 16, 2007, 06:34 PM
MN WATTS Master
Vintauri's Avatar
United States, MN, Mankato
Joined Jul 2003
7,387 Posts
Alright mike.... time to toss her up then right?

Steve
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Old Jun 16, 2007, 06:37 PM
who needs pistons?
nopistons96's Avatar
mankato,mn
Joined Oct 2004
669 Posts
wow, "the beast" is right. dont for get to strap on the camera.
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Old Jun 16, 2007, 06:42 PM
Professor of Wood
kd7ost's Avatar
Nampa. Idaho
Joined Nov 2004
4,266 Posts
I looked at the pictures again, this time looking at the build and not just the plane. Nice job putting it together. I like to see wood put together where the glue stays in the joint. Very clean work.

Dan
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Old Jun 16, 2007, 08:34 PM
Begin with end in mind...
power's Avatar
Eagle Lake, Minnesota
Joined Apr 2003
5,613 Posts
Thanks guys, this has been a fun project.

If the weather permits I will put it up this weekend. It should be interesting......


Mike
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Old Jun 16, 2007, 09:17 PM
Pull out early!
DiveBombDave's Avatar
Lexington, KY
Joined Jan 2005
1,956 Posts
Mike,

"Intelligence is not in knowledge, but in imagination."

Don't be flattered - it was in my fortune cookie after dinner tonight.



However, it still applies to your plane. Kudos to you! I built two "high mount tractor" designs and they flew fine, loved 'em. The only drawback I can say about mine is that they would snag in grass and nose over really fast, and the motor/prop would take the brunt of the impact - replaced a lot of props since I flew off tall grass most of the time.

Keep in mind that high mount tractor is just like high mount pusher - the high mount could cause a full throttle hand launch to nose over at first. Yours reminds me of the old school free flight Banshee.

Good job, can't wait to hear the flight report.

Dave
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