Bargle
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« on: December 18, 2023, 07:53:23 AM » |
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Yeah, this thread may not last long, but what the hey.
After flying 2 much modified Cloud Tramps I called the Cloud Hobo for several years I decided to build a 'proper' Cloud Tramp. I used the modified wing mount from Build a Better Cloud Tramp page over at Endless Lift. Next is my 4th Sky Bunny. I had a brain fart and built the rear leaning pylon instead of the forward leaning version I usually do. Still got it to balance reasonably well. Both seem to promise good flying based on my back yard glide/low winds tests.
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Ratz (Bruce)
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« Reply #1 on: December 18, 2023, 01:37:54 PM » |
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I have seen many people build and fly cloud tramps, I even have the Grant book with the original plane in it. So are they any good as flier? I may consider building one.
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We don't stop playing because we grow old... We grow old because we stop playing.
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Gary Dickens
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« Reply #2 on: December 18, 2023, 02:18:58 PM » |
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In the Grant MIMLOCT fly in last year, mine flew away on its maiden flight.... good enough for you? Gary
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« Last Edit: December 18, 2023, 05:11:58 PM by Ratz (Bruce) »
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Ratz (Bruce)
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« Reply #3 on: December 18, 2023, 05:16:03 PM » |
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Yep The science in the Grant book is fantastic. That's the book that will give you all the details you need to make and fly all your airplanes. Read that and you trimming nightmares end.
I used it to design Sharkies Machine and Turbo Machine. The Prairie Bird is such a design using details similar to the Grant book airplanes.
Bruce
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We don't stop playing because we grow old... We grow old because we stop playing.
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Pete Fardell
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« Reply #4 on: December 20, 2023, 05:48:02 AM » |
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All being well, this will be by next open rubber entry at the indoor scale Nats come April. It’s a Morane Type P. I threaded the cross sections onto a sturdy knitting needle to make the fuselage. With all of the stringers now in place, the knitting needle and the middle of the formers can be surgically removed (I hope!)
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TheLurker
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« Reply #5 on: December 20, 2023, 06:06:55 AM » |
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I threaded the cross sections onto a sturdy knitting needle to make the fuselage.
How did you stop the formers from spinning around? I tried a similar approach for attempt No. 1 of the Tern's fuselage, didn't work at all well for me.
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Ratz (Bruce)
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« Reply #6 on: December 20, 2023, 09:18:18 AM » |
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I have been working on an LT25 Sig kit for a pal. This will be my first ever lazer cut kit build. I am reasonably pleased with the way it went together. Waiting on some hardware and covering to complete.
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We don't stop playing because we grow old... We grow old because we stop playing.
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rodders67
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« Reply #7 on: December 20, 2023, 10:20:15 AM » |
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Hi Lurker I use a 0.25 inch square alloy tube to hold everything in shape. Rodney
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Pete Fardell
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« Reply #8 on: December 20, 2023, 10:23:48 AM » |
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I threaded the cross sections onto a sturdy knitting needle to make the fuselage.
How did you stop the formers from spinning around? I’ve got this special stuff called glue.
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Pete Fardell
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« Reply #9 on: December 20, 2023, 01:33:39 PM » |
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Sorry, Lurk, my last remark was a bit facetious but, yes, I glued the formers to the knitting needle. However, I also cut the formers ‘nearly through’ just inside their circumference so I’m hoping it will be fairly easy to remove the central stick and discs all in one piece. We shall soon see!
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TheLurker
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« Reply #10 on: December 20, 2023, 01:53:53 PM » |
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I threaded the cross sections onto a sturdy knitting needle to make the fuselage.
How did you stop the formers from spinning around? I’ve got this special stuff called glue. Glue? Wossat then, eh? Never heard of it. I hadn't realised that the knitting needle was a sacrificial part of the build, I'd assumed it was to be surreptitiously returned to the knitting basket from which it was, hem hem, borrowed. Hi Lurker I use a 0.25 inch square alloy tube to hold everything in shape. Rodney
That would work. I had only cylindrical brass tube to hand at the time. Live & learn.
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Bargle
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« Reply #11 on: December 31, 2023, 03:25:24 PM » |
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Finished the Ritz today. Weight is 34 grams without rubber.
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billdennis747
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« Reply #12 on: January 14, 2024, 10:08:52 AM » |
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A KK 20" Piper Super Cruiser. I began my aeromodelling with the KK Camels, SE5a and Nieuports. If it had been this, I would have given up. It's not easy. Hedy Lamarr piloting
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Bargle
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« Reply #13 on: January 14, 2024, 12:02:10 PM » |
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Looks good, Bill. And who could resist a pilot that is both beautiful and smart?
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TheLurker
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« Reply #14 on: February 08, 2024, 03:59:08 PM » |
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It's, finally, done.
As seen 34.2g, of which over 6g is the second wing & struts => ~28g for the monoplane which is about what I'd expect.
Balances just aft of the main spar and I'm tempted to leave it there and trim the glide on the elevator. I'd really like to try and test glide or two over grass, but the weather here is... rubbish.
I wonder if it will survive Saturday?
Cheers, Lurk
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AndyB
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« Reply #15 on: February 09, 2024, 04:53:31 AM » |
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Looks excellent, Lurk. I'm sure the gods will look favourably on your efforts to commit aviation tomorrow...
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Squirrelnet
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« Reply #16 on: February 09, 2024, 05:08:01 AM » |
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It looks fantastic, no doubt it will fly of the board. I'd really like to try and test glide or two over grass, but the weather here is... rubbish. Wet grass sounds preferable to hard gym floor for a first go to me if you can find a calmish patch
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OZPAF
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« Reply #17 on: February 09, 2024, 07:46:21 AM » |
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Very impressive Lurk.
That's quite a fleet you're building Bargle. I'm a bit of a fan of the Skybunny as well and actually prefer the look of the backwards sloped pylon.
John
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Bargle
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« Reply #18 on: February 13, 2024, 06:13:54 PM » |
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That's quite a fleet you're building Bargle. I'm a bit of a fan of the Skybunny as well and actually prefer the look of the backwards sloped pylon.
John Thanks And I've got a Sig Cub, an FA Moth and a P30 under way. Will it ever end?
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Starduster
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« Reply #19 on: February 14, 2024, 12:42:35 AM » |
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I've never in my life had so many airplanes ready to start testing once the weather starts to cooperate
1) Gollywock 2) Jabberwock 3) George Batiuk Sr. CdH 3) California Champ (no Picture) 4) 450 GLH Satellite (No Picture)
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"We have done the impossible, and that makes us mighty..."
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OZPAF
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« Reply #20 on: February 15, 2024, 03:33:05 AM » |
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It looks like you are set to have fun SD. nice looking models
John
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« Last Edit: February 19, 2024, 05:53:30 AM by Ratz (Bruce) »
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FLYACE1946
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« Reply #21 on: February 16, 2024, 07:35:04 PM » |
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I've never in my life had so many airplanes ready to start testing once the weather starts to cooperate
1) Gollywock 2) Jabberwock 3) George Batiuk Sr. CdH 3) California Champ (no Picture) 4) 450 GLH Satellite (No Picture)
Good to see these. Hope you have good transportation arranged for down wind chases.
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dorme
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« Reply #22 on: February 17, 2024, 02:45:53 PM » |
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DPC Aerowerkes Roland DV. Glide test are done, next time in the field add rubber.
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Squirrelnet
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« Reply #23 on: February 17, 2024, 02:50:29 PM » |
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Great build Dorme. That looks very nice
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billdennis747
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« Reply #24 on: February 17, 2024, 03:10:29 PM » |
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Yes, it looks nice - the fuselage is very effective. It reminds me of one of my very first models in 1972 when I was even more clueless. My fuselage was balsa-sheeted, overlaid(!) with obeche strips. It was so heavy it could have been used as a club.
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