Ladybird Special (oz340)
About this Plan
Ladybird Special. Free flight sport biplane model, for ED Bee 1 cc engine.
Quote: "Ladybird Special Power Biplane. By H.J. Pridmore.
Description. This is a development of the designer's popular Ladybird (oz2132) rubber-driven biplane which appeared in Aeromodeller, April 1948. The alternative wing-folding arrangement may be found very useful by builders who suffer from the usual transport troubles of these days. This is described in lower right hand corner of plan.
The completed model should balance about 3 in behind the leading edge of the upper wing. If CG position is incorrect the undercarriage wheels may be moved fore or aft to trim, by unsoldering the joint between the front and rear struts, finding the correct CG position, and re-soldering.
Construction. Any reasonably experienced modeller should find Ladybird easy enough to build - but, as with all free flight models, care and accuracy will pay dividends. Fuselage is not so tricky to cover as might be expected. One piece of tissue will suffice for each side, and if flour paste is applied to all the stringers the tissue easily conforms to fuselage contour. Original colour scheme was red fuselage and fins, white wings and tailplane.
Performance. Powered with an ED Bee, Ladybird Special has a performance equal if not better than a well-trimmed pylon contest model; On its sixth test flight the original flew OOS after six minutes from a 25-second engine run. In more than a season's flying it never sustained a prang..."
From 1950 Aeromodeller Annual.
Update 20/05/2018: Added article thanks to Mary at https://rclibrary.co.uk/title_details.asp?ID=1008
Supplementary file notes
Article.
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(oz340)
Ladybird Special
by HJ Pridmore
from Aeromodeller Annual
1950
42in span
IC F/F Biplane
clean :)
all formers complete :)
got article :) -
Found online 15/04/2011 at:
http://www.rcgroups.com/forums/showthread.php?t=126587...
Filesize: 1031KB
Format: • PDFbitmap
Credit*: tri-pacer
Downloads: 2913
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User comments
Plan is from 1950 Aeromodeller Annual.SteveWMD - 20/05/2018
Thanks, got it.
SteveWMD - 20/05/2018
Added colour model photo [pic 003] from R/C Model Flyer, July 2001.
SteveWMD - 23/02/2020
Photos of Ladybird Special. This is 60% size, for CO2 power [main pic, 007-009].
Mike Mulholland - 05/05/2022
Hi from Australia. Recently completed my Ladybird Special. Here are some photos [010-012] you may like to add to the plan page. Thanks,
Bruce Jacques - 28/06/2022
Hi Bruce, what diesel is that on your Ladybird, how does it fly? Also what is that interesting picture in the background? Cheers,
Jim - 03/12/2022
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- Ladybird Special (oz340)
- Plan File Filesize: 1031KB Filename: Ladybird_Special_oz340.pdf
- Supplement Filesize: 415KB Filename: Ladybird_Special_oz340_article.pdf
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