Skylark 56 (oz1842)

 

Skylark 56 (oz1842) by Carl Goldberg from Carl Goldberg 1964 - plan thumbnail

About this Plan

Skylark 56. Radio control sport model. The Skylark could be built as either a single or twin engined model. This plan here shows the single version. For .19 - .40 engines. Plan does not show internal formers.

Quote: "Skylark is a sister ship to our famous Falcon 56 (oz2424) but is a tested and proven low-wing! For multi-training it's tough and right to learn on before you try the 'contest' birds. And if you're a rudder-only fan, you'll really like Skylark's handling. But the real surprise is that the Skylark is an optional twin! With the extra parts in the kit, you can build it either as a sleek single or as an exciting twin engine job. It's tested and proven both ways, and the highly 'prefabbed' fast-building kit has full basic info on building and flying. Flies and maneouvres with one emgine out. Begin one of your most memorable experiences in R/C with the Skylark!"

Note for the twin-engined version of this plan see Skylark Twin (oz1843).

Direct submission to Outerzone.

Update 13/10/2019: Replaced this plan with a clearer copy, thanks to bobn. Derived from the same raw scan, but this new version is easier to read, much less noise, paper folds, etc after cleanup, also now the finished file is at 400 dpi.

Note this here is a later version of the design. This plan includes a boxout section with text as follows:

Quote: "Latest Improvements: Parts of this plan have been updated to incorporate important changes. The kit now has 1-piece sides, 1-piece main landing gear mounts, and our new nylon fittings (replacing other horns, links, retainers etc., where shown). Because the ship is generally flown with ailerons, the wing dihedral has been reduced to 3 in. Wing structure has been strengthened by the use of 1/8 plywood spar joiners. Nose of fuselage has been widened (though not shown on plan) to take larger engines. Some information on the plan may appear obsolete, and should be ignored."

For an earlier version of the Skylark plan, see Skylark 56 (oz11620) listing.

Supplementary file notes

Previous scan version.

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Skylark 56 (oz1842) by Carl Goldberg from Carl Goldberg 1964 - model pic

Datafile:
  • (oz1842)
    Skylark 56 
    by Carl Goldberg
    from Carl Goldberg (ref:G-21)
    1964 
    56in span
    IC R/C LowWing
    formers incomplete :(
  • Submitted: 22/11/2011
    Filesize: 2716KB
    Format: • PDFbitmap
    Credit*: bobn

Skylark 56 (oz1842) by Carl Goldberg from Carl Goldberg 1964 - pic 003.jpg
003.jpg
Skylark 56 (oz1842) by Carl Goldberg from Carl Goldberg 1964 - pic 004.jpg
004.jpg
Skylark 56 (oz1842) by Carl Goldberg from Carl Goldberg 1964 - pic 005.jpg
005.jpg

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User comments

Missing former detail can be derived from the Jr Skylark plan, re-scale to print off the relevant tiles from the PDF file.
anon - 25/01/2013
As far as formers go, a plan for them is not needed. Just use the side and top views (height and width) then make them. Nothing hard about that. Cheers all,
Gary Button - 16/02/2013
Hi Steve, The Skylark plan does say 19 to 40 engines, but the engine pic is of a Cox 15 with throttle.. which got me thinking. So I searched and found that there is a box in the top right hand corner labeled "EQUIPMENT USED IN TEST MODELS" which quotes OS and Cox 09 and 15 r/c engines (and no others!) Built light and just wanting a gentle free-flight or single channel style rate-of-climb a 15 should have been OK. Although I am very impressed that it would carry the weight of 10 channel reeds with that engine. But 09's ? that must be for the 'optional' twin version. But looking at the sizes of the wood it would be very difficult to build light from the kit. The quoted 3.5lbs would be a bit o.t.t. for a 15. I used to reckon 2.5 to 3lbs in single channel mode would be OK. So it is a bit of a mystery. In the old days in the UK single channel would be used as an advertized option on planes with "up to multi", with extra dihedral shown on the plan; same kit. That was because multi in the UK in the '60s was waaaay too expensive, 6 channel reeds built from a kit was just possible, but rare. Is it possible that this design started out being kitted like that? I am thinking of using today's very light radio, the model built very light, and a low power HP 20 4-stroke for nice retro flying (relaxed!). After all, one can always do a long dive for any aerobatics. Cheers
Jim - 26/03/2014
I built and flew one of these until it was oil soaked, and wore out. It had an O.S. 25 on it and it flew fantastic and of course was aerobatic, but still would land at a walk. We put the radar on it one time, and it was a 70 mph + machine. I also built one of these as a twin and it was even more fun to fly, but quite a bit faster.
Slickporsche - 08/08/2014
Hi Mary/Steve. More vintage photos ... my father's Skylark [more pics 003, 004]. Merco 35 R/C Red Head engine, radio Controlaire. Madrid 1965.
JesusAbellan - 02/11/2016
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Scaling

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