RC Jay

 

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RC Jay - completed model photo more pics (2)

RC Jay  
by Bob Ferris
from Grid Leaks
May 64 
63in span
Tags: IC R/C LowWing
all formers complete :)
got article :)


Submitted to Outerzone: 03/07/2018
Outerzone planID: oz10220 | Filesize: 1041KB | Format: • PDFbitmap | Credit*: dfritzke

   

About this Plan

RC-Jay. Radio control sport model. Wingspan 63 in, wing area 750 sq in, for .45 power.

Quote: "R/C Jay by Bob Ferris. An extremely easy-to-fly advanced multi stunt trainer with especially nice handling traits for proportional. Grid Leaks is happy to present this basic plan of an honest plane for your favorite gear.

GRID LEAKS is rather proud of the fact that neither the magazine nor the designer of this airplane claim it to be still another multi capable of gunning down all before it. However, it is a fine airplane or it would not be here.

Bob Ferris, TWA jet pilot, is a long-time modeler who went into radio control via rudder-only pulse. Galloping Ghost, dual proportional; and for the past two seasons, full-house via Don Brawn's Dee-Bee equipment. He flies for fun and he goes to contests. He knows how an airplane should fly - and on proportional.

Now, really good airplanes get built by other people without benefit of magazine articles. After GL spotted an R/C Jay in the hands of another TWA pilot, a veteran multi man, then a third and a fourth with folks who learned to fly multi with them on DeeBee, the design was studied and evaluated over a 12-month period. It flies right, handles well, is safe, and the construction adheres to general practice in all major components.

GL does not compete with the popular magazines so an airplane plan - even if basic and without specific building instructions - is a landmark, and it is our policy to publish only occasional plans for airplanes - and perhaps other 'things' - provided there is a real need for the project. Anyway, we hope you like this plan and use it to get some fun out of your dual-prop or full-house gear. Or stick that reed set in it!

The original plane has 3-ply 1/16th sheet fuselage sides, center ply grain diagonal. But 1/8 sheet with a 1/16 doubler diagonal, as shown, is acceptable. If this suggests the ship is light, it is - 5-1/2 to 6 pounds gross. The use of 1/2 in thick top and nose blocking - with 1/4 sq corner strips for rounding - makes for quick assembly and some shaping for appearance. The Top Flite motor mounts incorporate right-thrust as they come from the manufacturer. An 8 oz clunk tank supplies the Veco 45 - or your favorite engine - and should have the feed 1/2 inch below the needle. Hatch access to tank and battery pack is standard.

Tail surfaces are generally similar to Top Flite kit construction. Control surface areas and movements are correct. The over-and-under spars and sheeting of the wing are standard and require no description.

The steerable wire tail skid works very well on grass and seems to be acceptable on concrete, though a rubber tired wheel - the tread ground flat and with drag imposed - has been used for concrete. The two-wheel gear (Top Flite) does not seem to involve typical nose-over trouble on grass, even for beginners, probably due to the fact that there is not much of a couple between the thrust line and the wheel center, or between the thrust line and the center of aerodynamic drag of the machine - and the wheels are forward!

DuBro Kwick-Links are used for control linkages throughout, even on the aileron bellcranks. There has been evidence of pin wear in the Kwik-Link at the aileron horn, resulting in an excess softness in the setup-easily cured by..."

Direct submission to Outerzone.

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Notes

* Credit field

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Scaling

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