This is the joy of modelling, creating something that works.<div>Use whatever materials and/or gadgets you have at hand.</div><div>Strong earth magnets will do the job, especially as the forces on the cowl tend to hold it on anyway.</div><div>A lot of cowls are screwed on. Flat piece of plastic glued to the foam underneath that hold the screw.</div><div>
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</div><div>In these setups the down/side thrust is not critical, and if it looks right it should fly right.</div>