Walthew MkII (oz4573)


Walthew MkII (oz4573) by Roland Scott 1949 - plan thumbnail

About this Plan

Walthew MkII. Walthew Glider. Simple towline glider for beginners. Design by R SCott, article text by Rev Callon.

Quote: "In this article, I am going to show you, step by step, how you can build a small but highly efficient glider that will give you hours of enjoyment. If you have had no modelling experience whatever, you will find it rather a difficult job; first models always are. But if you follow the instructions carefully and take your time I guarantee that the model will fgly, and fly well.

The Walthew Glider. Mr Scott, winner of the Bowden Trophy for 1948, designed this 28in wingspan glider for a newly formed club of youngsters at Upholland College in Lancashire. In designing it he had in mind the shallow depth of the schoolboy pocket, and with the first few dozen plans turned off on a duplicator, the all up cost came to about 3/9d. He also arranged for the model to fly, and he did this so successfully that the first model flew out of sight on a windy February day after 3 minutes. A later Walthew in warmer weather disappeared after 3 minutes 52 seconds. Both these were built by modellers of only a few months experience..."

Update 05/06/2018: Added original article, thanks to BrokenEnglish.

Update 27/06/2018: Added zipfile, thanks to TheLurker.

Quote: "Hi Mary and Steve, You may (or may not) remember me pestering you about the Walthew MKII in May last year. Well it seems some kind soul uploaded a copy to OZ since then. However it was a bit grubby, so I've put together a cleaned up version which is in the attached zip file together with a thumbnail pic. of the model itself. At some point the Outerzone copy of the plan seems to have become slightly enlarged. The 97% scaled copy of the plan is a trial and error resizing and is about right as judged by measuring the tailplane T.E. width and longerons widths. A 1:1 SVG version is included so that you can rescale should you need or want to..."

Supplementary file notes

Zipfile (contents: Cleaned plan, Scaled version of cleaned plan, 2 x SVG files of plan, Buildnotes (2 pages), Photograph of original plan print.


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Walthew MkII (oz4573) by Roland Scott 1949 - model pic


Walthew MkII (oz4573) by Roland Scott 1949 - pic 003.jpg
Walthew MkII (oz4573) by Roland Scott 1949 - pic 004.jpg

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User comments

Many thanks to TheLurker for detailed corrections and addendum to this plan, I am away right now, will redo this listing ASAP.
SteveWMD - 03/06/2018
Not Upland College. Upholland. 29" span not 28" The following quotes from, "The A.B.C. of Model Aircraft Construction" by Rev. F. Callon, Pub 1952 MAP "A few years ago a model aeroplane club was formed at Upholland College in Lancashire." "Most of the first attempts were rubber models, and the results were uniformly disappointing ..." "It was at this point that Roland Scott came to the rescue. He offered to design a glider for the club that would be easy to build and fly well." If you do build model this note well, "...the tailplane is constructed in such a manner that it is bound to warp if the tissue is tightened to in an yway whatsoever. It must not be water shrunk and it must not be doped. Use only a single coat of banana oil.
TheLurker - 05/06/2018
Some clarification of the blurrier text on the plan. Note above noseblock reads: 1/16" x 1/8" REST FOR DOOR Section above fin is "SECTION BB". 1952 copy of plan explicitly labels it as "FIN SECTION" Section below fuselage id "SECTION AA". 1952 copy of plan explicitly labels it as "TAILPLANE SECTION" Raw Materials List All strip and sheet HARD balsa STRIP 8 of 1/8" x 1/8" x 36" HARD BALSA 1 of 1/4" x 1/4" x 36" HARD BALSA 2 of 1/8" x 1/2" x 36" HARD BALSA SHEET 1 of 1/16" x 3" x 36" 1 of 1/4" x 1" x 12" BLOCK 1 of 1" x 1" MEDIUM BALSA SMALL PIECE OF 1/8" SHEET MISCELLANEOUS 1 of BAMBOO 1/32" x 1/32" x 14" 1 of PLYWOOD 1/16" x 2" x 4" 1 of 18 SWG PIANO WIRE PIECE OF LINEN/COTTON FOR HINGE SMALL PIECE OF TINPLATE.
TheLurker - 05/06/2018
Addendum. Material list (even on 1952 plan) is incomplete. Ribs are 1/16" MEDIUM balsa and profile shown include LE & TE. "Shorten to dotted lines".
TheLurker - 05/06/2018
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Download File(s):
  • Walthew MkII (oz4573)
  • Plan File Filesize: 73KB Filename: Walthew_Glider_MkII_oz4573.pdf
  • Supplement Filesize: 536KB Filename: Walthew_Glider_MkII_oz4573_article.pdf
  • Supplement Filesize: 4404KB Filename: Walthew_Glider_MkII_oz4573_theLurker.zip
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* Credit field

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