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Chizhevski BOK-5 - Walt Mooney (Read 2148 times)
Reply #51 - Oct 31st, 2018 at 4:20am

Meatbomber   Offline

Klatovy, CZ

Posts: 20
 
Hey Craig, the leaves are falling it’s time for some peanut building again Cheesy
 
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Reply #50 - Aug 11th, 2018 at 1:04pm

Sky9pilot   Offline
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I agree with Meatbomber...with these models "small" adjustments have "big" effect in trimming! So a smaller surface would work better I'd think.  As well as allowing some separate reflex to be added to the tips!
Tom
 

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Reply #49 - Aug 11th, 2018 at 12:47pm

Craig 3   Offline
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Alrighty, then. Split it shall be!
 
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Reply #48 - Aug 11th, 2018 at 12:33pm

Meatbomber   Offline

Klatovy, CZ

Posts: 20
 
I’d split it.. gives you better controllability over pitch and roll separately me thinks
 
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Reply #47 - Aug 11th, 2018 at 12:27pm

Craig 3   Offline
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I Love YaBB 2.5 AE!
West Virginia, USA

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A question for you flying-wing aficionados, from a guy who admittedly struggles to trim a high-winged monoplane- Would you split the elevonaflaperon from the aileroneflapavator and make them separately adjustable, or leave them tied together and adjustable as a unit? It's just a matter of adding a center hinge...
 

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Reply #46 - Aug 11th, 2018 at 12:26pm

Meatbomber   Offline

Klatovy, CZ

Posts: 20
 
Nice to see you’re gett g some build time in Smiley no such luck for me right now which makes it the more satisfying to watch your build!

Hope the ply hingearms are going to work out !
Cheers
Phillip
 
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Reply #45 - Aug 11th, 2018 at 10:44am

Craig 3   Offline
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I Love YaBB 2.5 AE!
West Virginia, USA

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Woke up in the middle of the night thinking about the control surfaces. Managed to squeeze in a few minutes at the build table, and got one set of elevoneflaperators framed up. They’ll get sanded to an airfoil profile.
 
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Reply #44 - Jul 23rd, 2018 at 6:08pm

Ray_K   Offline
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to create that which never
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7-23-2018

An unusual plane for sure, looking good, I like it.

Cheers, Ray K.
 
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Reply #43 - Jul 23rd, 2018 at 12:41pm

staubkorb   Offline
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Stick & Tissue
Germany

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VERRRRY EENTERESTINK!!  About ten years ago, Lemuel (Matt Taudevin) on SFA/HPA built this under the "normal" P-nut rules (13" span) but wasn't able to get it to fly.  Yours could very well overcome Doc Mooney's caution and Matty's issues due to the Miami P-nut clause.

Flying wings are extremely CG critical AND are sensitive to airspeed variations (that reflexed airfoil) - The faster it flys, less reflex is needed and vice-versa.
 

WWWoFF
Wonderful Wacky World of Free Flight
(with a bit of rc thrown in for giggles)

Comparing Spammers to a pile of organic waste is an insult to the organic waste!
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Reply #42 - Jul 23rd, 2018 at 10:36am

Sky9pilot   Offline
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Engine and Cowl look fantastic.  You're building a real winner here!
Tom
 

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Reply #41 - Jul 22nd, 2018 at 10:20pm

pb_guy   Offline
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So I'm just a kid at heart.
Youbou, BC, Vancouver Island

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Nice work on the engine!
ian
 
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Reply #40 - Jul 22nd, 2018 at 4:52pm

Craig 3   Offline
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I had to switch modes-from static brick back to a (Miami) peanut that is, at least, INTENDED to be flung skyward under rubber power. This is my 4.08 gram interpretation of a Soviet round engine. It’s jury-rigged on to build the sump, which extends past F1... and to look at it, take pics, and make airplane noises Smiley
 
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Reply #39 - Jul 22nd, 2018 at 2:23pm

Craig 3   Offline
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I Love YaBB 2.5 AE!
West Virginia, USA

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The  Shvetsov M-11 in itself was interesting. Rather than using the usual "cam ring" arrangement most radials use for both simplicity and compactness, it used a separate gear-driven cam for each cylinder- as did the American Kinner B-5. I'm used to the whine of a single gear-driven cam drive setup; I imagine 5 of 'em had a distinctive shriek!
 

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Reply #38 - Jul 22nd, 2018 at 2:17pm

Craig 3   Offline
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West Virginia, USA

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Thanks, Mike- it's the first one I've done that way. When the shaping took place, I slid it up the bottle to the point where the roll at the end of the bottle provided a stop. Then, I masked it at the maximum chord line which both held it firmly on the buck and let me sand in the TE contour to almost a knife edge. Then, I reversed it and put the shape in the LE.
« Last Edit: Jul 22nd, 2018 at 7:46pm by Craig 3 »  
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Reply #37 - Jul 22nd, 2018 at 1:40pm

MKelly   Offline
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Helotes, TX

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That cowl ring is a work of art Craig.  I need to try that for my F4B-4.

Mike
 
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