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12-21-2008, 09:01 AM
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#1 |
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Build them big
 
Join Date: Jan 2008
Location: Fishers, Indiana
Age: 50
Posts: 1,057
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257" B-36D Scratch build.
Hello all,
This plane build is on other forums, but had a bunch of people say it needs a thread here. This plane has been in design for over 10 years, first designed it in CAD, then 3D. She will have 6 hackers and be turning 6 20/14 props, the weight will be 85 pounds. I will post more info later. Thanks, DAG Last edited by dag214; 12-21-2008 at 09:18 AM. |
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12-21-2008, 09:23 AM
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#2 |
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Build them big
Join Date: Jan 2008
Location: Fishers, Indiana
Age: 50
Posts: 1,057
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Re: 257" B-36D Scratch build.
Pics of my main gear design.
I started the design 10 years ago with the intent of it be 257" with 6 gas engines, but after doing all the calcs I realized that the plane would weigh over 110 pounds because I would need 45 pounds of ballast to off-set the engines weight at the trialing edge of the wing. Now with electric motors I can build a 257" B-36D and hit about 85 pounds. I have drawn the entire plane in both 3D max, and AutoCAD so I can scale the drawings to any size I need. The plane will have 6 Hacker Motors turning Zinger 3 blade 20" props, in testing I get about 8 minutes at full power and 15 at 65% cruise power. I have printed out all of my plans on my plotter and have been cutting wood for about 2 months. I have been using Ecalc and it looks to be spot on with what I am seeing in testing. DAG |
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12-21-2008, 09:34 AM
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#3 |
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Bad-ass Super Contributer!
Join Date: Jan 2006
Location: Portland Oregon
Age: 53
Posts: 1,691
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Re: 257" B-36D Scratch build.
dag,
I'm subscribed! More more.... Go Go Ronster |
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12-21-2008, 09:50 AM
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#4 |
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Build them big
Join Date: Jan 2008
Location: Fishers, Indiana
Age: 50
Posts: 1,057
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Re: 257" B-36D Scratch build.
The B-36 will being in 7 parts to get her out of the house and to the field.
DAG |
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12-21-2008, 10:02 AM
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#5 |
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UAV's rule
 
Join Date: Jan 2006
Location: United States, AZ, Tucson
Posts: 1,510
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Re: 257" B-36D Scratch build.
All I can say is WOW!
Great job! |
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12-21-2008, 10:03 AM
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#6 |
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Is is time to fly yet??
Join Date: Jan 2006
Location: Grove,Ok
Age: 39
Posts: 904
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Re: 257" B-36D Scratch build.
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12-21-2008, 10:09 AM
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#7 |
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RC 'Aholic!
Join Date: Jan 2006
Location: CT USA
Posts: 2,004
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Re: 257" B-36D Scratch build.
Subscribed!
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12-21-2008, 10:15 AM
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#8 |
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The Kings Minion
Join Date: May 2006
Location: Atlanta, GA
Age: 41
Posts: 1,259
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Re: 257" B-36D Scratch build.
Subscribed!
__________________
U.S. Representative for REVOC Wing Bags Visit http://www.revoc.eu/ ................... |
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12-21-2008, 10:48 AM
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#9 |
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Bad-ass Super Contributer!
Join Date: Feb 2007
Location: Conroe, Texas U.S.A.
Posts: 3,849
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Re: 257" B-36D Scratch build.
DAG,
Great looking bird! You're doing the Air Force proud! I suppose we have to get you signed up for the Mac Hodges school for aerobatic bomber pilots real soon! WT 
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12-21-2008, 11:07 AM
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#10 |
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Build them big
Join Date: Jan 2008
Location: Fishers, Indiana
Age: 50
Posts: 1,057
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Re: 257" B-36D Scratch build.
Thanks for the great comments,
I hope I don't get into spins, and inverted flight much. However, I am designing a dropping system so I can drop 66 fake 500 pounders, or one of the MK17 nukes. I just startedthe construction of this plane in October and plan on having it in the air by June. The fact I spent so long designing this bird in 3D is the reason it is going together so fast, it is building like a big fat Goldberg kit. The plane will have 12 batteries for the motor, 2 each 4 cell 5100Mha per motor, 3 RX with 2 each 123 batteries each, 3 batteries for the 3 retracts, and 30 servos. A few more pics. My son is holding a few parts. And I have been asked many times, I wish I had a laser cutter, but this is all hand cut. DAG |
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12-21-2008, 11:47 AM
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#11 |
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Bad-ass Super Contributer!
Join Date: Jul 2007
Location: ont,ca,usa
Posts: 274
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Re: 257" B-36D Scratch build.
very very nice work manshp keep it up
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12-21-2008, 11:52 AM
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#12 |
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Super Contributer
 
Join Date: May 2007
Location: Greenwood, SC
Age: 59
Posts: 107
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Re: 257" B-36D Scratch build.
I just inadvertently ... WET MY PANTS!
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12-21-2008, 12:05 PM
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#13 |
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Fly it like you hate it!
Join Date: Jan 2006
Location: Collinsville, IL
Age: 45
Posts: 4,819
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Re: 257" B-36D Scratch build.
My hats off to you.. Nice!
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12-22-2008, 06:26 AM
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#14 |
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Build them big
Join Date: Jan 2008
Location: Fishers, Indiana
Age: 50
Posts: 1,057
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Re: 257" B-36D Scratch build.
Here are pics of me putting the carbon fiber on the spars. The plane will be sheeted with 3/32 balsa, then glassed with .5Oz cloth.
DAG |
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12-22-2008, 07:44 AM
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#15 |
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Gettin' Lower!
 Join Date: Jan 2008
Location: Montreal, Canada
Age: 45
Posts: 40
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Re: 257" B-36D Scratch build.
Subscribed
__________________
I came from the other side! I fly helis |
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