Propeller articles

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Have I got a deal for you! Issue 101 of Contact! magazine is due to go to the printer tomorrow. It will contain three articles on propellers: Pitch, Planform, and Multi-blade. The normal price for an issue is $8, but if you get your order in immediately, and tell them you are from Van's Forum, you can get it for $5, but only if the order gets in in time for the bulk mailing, else it is $8. They want you to use Pay-Pal. 'Course, what the hey! You can get a year's subscription of six issues for $25, and get one of the best mags on truly experimental stuff available!