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Author Topic: WW I Cook Up  (Read 52745 times)
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dputt7
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« Reply #875 on: May 14, 2019, 07:37:48 PM »

  Very impressive Tom, Well done!
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skyraider
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« Reply #876 on: May 14, 2019, 07:40:50 PM »

Echo Mike & Don's comments. Well done sir! Stunning color scheme choice.

Skyraider
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Jack Plane
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« Reply #877 on: May 15, 2019, 03:18:33 AM »

I do like a good German fish!

Looks really great, well done!

Jon
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Pete Fardell
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« Reply #878 on: May 15, 2019, 03:41:40 AM »

Looks great! A brave choice of scheme done very effectively. You certainly don’t see many of these.
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Mark Braunlich
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« Reply #879 on: June 24, 2019, 09:05:20 PM »

Though not active in this Cook Up, I built this 1/12 scale SPAD XIII during the last eight months.  It's an experiment to see if I can make a rubber powered SPAD fly without dihedral.  Still experimenting and still trimming.  Not a lot of cooperation from the weather.  Markings are for the pulp fiction ace,  G-8.

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Mark
dputt7
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« Reply #880 on: June 24, 2019, 11:46:00 PM »

  Very neat Mark, I like you concept. Is this an OD or is it from published plans, looks close to scale structure.
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skyraider
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« Reply #881 on: June 24, 2019, 11:55:28 PM »

Nice Spad, Mark! Almost completely forgot about G-8 and
his Battle Aces. Which plan did you use?

Skyraider
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Pete Fardell
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« Reply #882 on: June 25, 2019, 04:02:48 AM »

That is one very lovely Spad, Mark. I really hope you get her flying as the scale (non) dihedral looks great. I love Spads, but the flat wings have so far led me to chicken out of building one.
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billdennis747
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« Reply #883 on: June 25, 2019, 04:33:10 AM »

Pete, I did this Aeromodeller Bagley SPAD for an ED Bee. Beautiful flyer. It had a Fernando Ramos-type pendulum on the ailerons. As you can see, the wings rose slightly in flight (unnoticeable in real time) but when I locked up the pendulum in the interests of science, it stopped flying.
I believe Mark is using clear infill between struts somewhere. Yes, I love SPADs too. I was surprised how small it was.

PS I still don't understand how, in pictures like these, the far wings look further apart than the closer ones
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Pete Fardell
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« Reply #884 on: June 25, 2019, 05:46:30 AM »

That's lovely too! There's just something about them. Here's a pic pinched from the internet of Tonda Alfery's CO2 Spad XIII that he was flying indoors at Nijmegen in 2017 (on a Modela I think?). It's another beautiful example, but with a bit of dihedral this time. I don't think it hurts the look too much.

Vid here:
https://www.youtube.com/watch?v=GynvZg7M1AQ
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Mark Braunlich
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« Reply #885 on: June 25, 2019, 11:30:32 AM »

Dave, Dave, and Pete:

Thanks for the compliments.  Yes, the model is my own design.  No, there is no plan.  I just penciled some near to scale structure on an enlarged 3-view, using the scale drawing by George Cox, Aero Modeller, April, 1957. with lots of corrections made along the way.  

The model is geared 2:1, with my own home-made gearbox, so has a short thick motor (8 strands of 1/4 Tan II) driving a LH laminated mahogany propeller.  The propeller is removable to make shimmed thrust adjustments to the gearbox.

Model has a "floppy" rudder but that is being changed to a pendulum rudder; thanks Bill, for that idea.

There are acetate wing fences under the upper wing at the inner interplane struts.

Wings have scale airfoils and full depth I beam spars as the wings are quite thin.

All markings are hand-painted using Sig color dope.



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« Last Edit: June 25, 2019, 11:43:34 AM by Mark Braunlich » Logged

Mark
dputt7
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« Reply #886 on: June 25, 2019, 08:05:44 PM »

  Thanks for the extra info it looks like quite a project. At 27" is it a "one piece model" or do you just fly over tall grass.
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