XL-56b

 

XL-56b - plan thumbnail image

XL-56b - completed model photo more pics (1)

XL-56b  
by Radoslav Cizek
from Aeromodeller
April 1958 
51in span
Tags: Rubber F/F
all formers complete :)
got article :)


Submitted to Outerzone: 01/11/2017
Outerzone planID: oz9422 | Filesize: 783KB | Format: • PDFbitmap | Credit*: Circlip, RFJ

   

About this Plan

XL-56B - Wakefield rubbber model. A new rule Wakefield with an outstanding pedigree and remarkably simple construction.

Quote: - "THE WELL-WORN SAYING that 'when an aeroplane looks right, it will perform right' is very true, and when we referred to Radoslav Cizek's Wakefield in our report of the 1956 Contest at Hoganas, Sweden, saying that his XL56b was one of the best proportioned machines at the contest, we were by no means mistaken. The design dates back to early 1954 when Cizek was selected to be the sole Wakefield representative in that most exacting of all model contests, the 'People's Democracies international' then held in Moscow. At that time the wing was mounted directly on to the fuselage and a slightly modified version was flown by Radoslav in the 1955 World Championships at Finthen in Germany. A sheeted fuselage variation was taken to represent Czechoslovakia in the 1956 People's Democracies contest in Budapest, placing first with a perfect 900 seconds score. Modifications were applied to strengthen the wing, experiments were made with turbulators and at the 1956 World Championships, using the 80 gramme motor to the rear peg, it placed 16th with a total of 760 secs. This was the last of the 80-gramme Wakefield events, and immediately after its conclusion, speculating on a change of rules, Cizek began flying with 50 grammes of rubber finding very little change in trim apart from the necessity to move the wing forward. At the moment, his 1958 version with the fuselage covered in sheet and wing mounted on to a built-up sheet pylon (details of which are incorporated in the APS drawing) stands a good chance of being in the 1958 Championships representing Czechoslovakia at Cranfield in August..."

XL-56B, Aeromodeller, April 1958.

Direct submission to Outerzone.

Supplementary files

Article pages, thanks to RFJ.

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Notes

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