Shark 45 (oz4557)
About this Plan
Jetco Shark 45. Control line stunt model. For .35 to .60 engines. Contest winning design.
Quote: "The Shark 45 is a cumulation of ten years of designing experience, practice and perseverance resulting from building and flying many stunt planes. The weaknesses as well as the good features of many models contributed to the superiority of the 'Shark 45', to yield such features as constant but not excessive pull at all times. Stability... yet able to turn a sharp corner without sacrifice of the smooth maneuvres".
Update 19/08/2014: Added rib patterns, thanks to Min Min Man.
Update 21/08/2014: Replaced rib patterns file with a clearer version on one sheet, thanks to Min Min Man.
Quote: "...all rib tracings on one sheet. I traced the whole set for rh wing as well and put them all on one sheet. Makes it easier! Regards,"
Update 26/04/2019: Added article (from AAM Oct 1961) thanks to RFJ.
Quote: "National Champion Lew McFarland's Shark 45.
Do you feel your stunt flying is in a rut? I did until K&B introduced their .45 featuring RCF (rear counterbalancing flywheel) which makes it very adaptable to stunt. My previous efforts with .59 and .60 ships proved impractical due to the 900 sq in of wing area required and the 6 oz of fuel needed to complete a decent pattern. Moreover I feel that 70 ft of lines is not enough for a hot 60. However, additional length would create additional drag which in all probability would cancel out any theoretical advant-ages. (This brings up one of my pet peeves. Why should .45 powered ships be handicapped by having to fly under the same requirements as those governing .60's?)
The 'Shark' is not an overnight wonder. It is the result of ten years of designing and flying stunt ships in an effort to make others obsolete or 'shark bait.' I feel that a Shark gives its owner an edge before the engine is even started.
Patterns should be scored in respect to the perfect geometric figures flown, but let's not kid ourselves - judging sometimes is as imperfect as most of our flights. Judges' impressions of you and your model are important as they can get points or take them away whether you and the judge are conscious of it or not.
With these facts in mind and a few hours at the drawing board my dream ship was born. A shift from military to civilian life necessitated a six month wait to see if it would live up to my expec-tations. I must say that I have never been more pleased with first flights than those of the Shark. It gave a constant pull on the lines in all maneuvers, was not too fast and did round and square maneuvers equally well. I have never seen a ship square so well and not lose flying speed. My goal of ten years had finally been achieved. No modifications were necessary.
The Shark gives the thrill of a sixty ship and at the same time has all the maneuverability of a good thirty-five. The performance of the K&B .45 amazed me more with each flight. A very smooth run without any change of sound or rpm in the most violent maneouvers..."
Supplementary file notes
Rib patterns, hand traced.
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by Lew McFarland
IC C/L Kit
all formers complete :)
got article :)
Found online 27/06/2013 at:
Format: • PDFbitmap
Credit*: Ratracer, Min Min Man
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User commentsThe 'Shark' was my most successful 'Free Flight'. Asleep at the handle, right after take off it pulled out of my hand. Spiraling up, out of sight, until the engine finally quit. In a little while it came back into view spiraling down. It landed in a bunch of trees & brush, barley even 100 yards away. Going to pick up the pieces, found it under a bush on its wheels, lines a couple of wraps around the bush. No real damage & after refueling went ahead & put in several more flights.
JimJohnson - 05/08/2013
Dear friends, some more pictures attached [more pics 0056-008].
Pajariperro - 11/10/2016
A few more photos to publish [more pics 009, 010]. They are from the first SAM meeting of 2017 at the Club "Pica y Zumba" near Madrid.
AntonioRodriguezGarrido - 07/03/2018
I love to see Antonio's "body english" while flying. We had a club member who always leaned right when flying upside down. Antonio did an excellent job on the model and flying.
EdShearer - 09/03/2018
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