Quikie Mk 4 (oz9029)

About this Plan

Quikie Mk 4. Class B pattern design.

Quote: "Three years ago I got tired of fixing something every time I came home from the flying field and decided to do some-thing about it. Not having much time to build or repair, the Quikie was designed around my requirements for a fast, maneuverable, rugged sport ship that could take the kind of punishment the average flier dishes out. It was a suc-cess—then the contest bug bit. Wanting to retain the prototype's durability, a series of modifications were made to im-prove performance and handling, re-suiting in the MK 4.

With a 51 or 56 in the nose, the Quikie has very pleasant handling characteristics. Put a healthy 60 up front and this ship will hold its own in any B Pattern and most C Novice contests. Six trophies in two seasons bear this out.

There are three structural features in the fuselage which need clarification. They are:

(1) Triangular Stock - No, it's not crashproof. That bracing provides contact area for gluing. The net result is that after three years of summer and winter flying, the prototype shows no signs of hairline cracks due to vibration commonly seen around fuselage joints.

(2) Stabilizer Key - Have you ever had cracks develop at the stab leading edge-fuselage intersection? The stab key eliminates this possibility on the Quikie.

(3) Nose Gear - If properly installed, the steering linkage shown on the plan will disengage from the steering arm if the nose-wheel cocks over on a rough landing. This feature saves the linkage, bottom block and possibly a servo.The surgical tube nose gear bearing used in the Tatone mount eliminates quite a bit of nose gear vibration; however, the gear will not swing freely in this bearing. If it's too snug, stretch the tubing on the nose gear and reinstall. Don't be leery of it - I've used this type installation for two years and never overloaded a servo. You can't appreciate the durability of this gear until you've dirtied the spinner on a rough landing.

The above-mentioned items won't buy you a thing in a terminal velocity stop on a flat rock, but they will considerably extend the airframe life under normal flying conditions, and reduce maintenance.

Construction: No radio, Tatone mount, engine or linkage (other than steering) are shown because of a variety of builders' preference. A Pylon brand RST 12 nylon tank, or a tank similar in cross section, must be used. This is beacuse the tank hole in F-2 provides access to the battery compartment..."

Quikie 4, American Aircraft Modeler, July 1972.

Direct submission to Outerzone.

Supplementary file notes

Article pages, thanks to RFJ.

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