About this Plan
Warlock. Control line combat model. Wingspan 24 in, for 1/2A power 1-1.5cc engines.
Quote: "'WARLOCK' has been around for a few years now and like my Spirogyra owes something to the APS Ruteress (oz2602) in terms of fuselage construction and appearance.
There is basically nothing new in the model, but I am sure that it will provide the builder with something more than the average sport/combat model. Flown on 40 foot lines it has a sprightly performance, reacting quickly to elevator movement. The most impressive version ever was that powered by a Cox TD .09 glow engine and was ideal for toning up reflexes in preparation to flying FAI 2.5 cc combat, due to its very high speed! However a PAW 1.49cc diesel or similar will provide an admirable power source.
Construction should provide no problems as long as one has some previous experience of control line models. Also bear the following points in mind. All wood in this aircraft should be soft and light, with the exception of the wing leading edge, which needs to be somewhat more resilient. If you tend to hit the ground a lot, consider employing some spruce strengthening in the middle!
The fuselage/tail unit can be built complete before fixing to the wing. Check that it is not angled up or down when slotted in place, or else the performance will suffer.
The engine pod can be finished in one of two ways. Either epoxy in place and then cover with gauze bandage and thick dope, or cover with nylon when separate from the wing, and then epoxy in place. There is little difference in strength between these two methods.
Cover tail surfaces, fuselage and centre section with lightweight tissue and the wings with nylon or plastic iron-on film. Obviously the nylon model will be stronger, but probably not quite such a good performer - the choice is up to you.
All up weight should come to no more than 9 oz. if lighter, then so much the better, but if heavier check that the CG is still in the proper place. Remedy with lead ballast if necessary.
Elevator movement can be quite critical on this type of model, so use a nylon horn with several holes so that you can vary the up and down movement, and thus trim the model for maximum performance. without stalling.
Models of this size are often dis-missed as being incapable of anything more than a very wide figure of eight. If you build a Warlock you will disprove that theory very quickly, and also find it possible to invent many new manoeuvres of your own."
Scan from DBHL, cleanup by theshadow.
Direct submission to Outerzone.
Update 20/04/2017: added article, thanks to RFJ.
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