Zephyr (oz2029)

 

Zephyr (oz2029) by Sal Taibi from Model Airplane News 1952 - plan thumbnail

About this Plan

Zephyr. Pylon free flight power model. Classic from MAN Sept 1952.

Quote: "For tops in performance and sensible construction, try this stand-out Half A. It has a swift, stable climb and maximum duration. Does 2-1/2 minute minimum

The Zephyr is a high performance Half-A contest type model, capable of swift stable climb and high duration. With the advent of more and more powerful engines this class has ceased to be a cute, just-for-fun class. These small models are capable of just as high a cduration as the larger ships. At the 1951 Nationals the first four places in class Half A compiled a three flight total of better than 20 min. The Zephyr is our attempt to boost the already fine performance in this class a little higher.

Cut out the four fuselage sides and bulkhead Nos. 2 to 7 of 1/16 sheet balsa. Cut out bulkhead No 1 of 1/16 birch plywood. Note that the two top sides of the fuselage are cut off shorter at the rear; this is shown with dotted lines on the plans. It will be necessary to bevel the fuselage sides so a good, strong, neat cement joint can be obtained. Mark the two bottom sides of the fuselage at the correct positions for the bulkheads and then insert and cement bulkhead Nos. 2, 3, 4, 5, 6, 7, in place. When dry, add the two top sides.

Next drill holes through the firewall to suit engine to be used and then cement the nuts to the back of the firewall. Set the bottom of the firewall in 1/8 in as noted on the plans for downthrust and cement in place. After the hole has been cut in the side of the fuselage for the Spitfire shutoff, the rear of the firewall may be cemented again through this hole.

Form the pylon by laminating and cross-grain-ing 1/16 in sheet balsa. Make the piece for the pylon a little larger than needed and then trace the pylon from the plans, using carbon paper. Sand pylon and then cement in place. When dry add the wing platform which is made of 3/32 in sheet balsa..."

Supplementary file notes

Article pages, text and pics, thanks to theshadow.

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Zephyr (oz2029) by Sal Taibi from Model Airplane News 1952 - model pic

Datafile:

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Zephyr (oz2029) by Sal Taibi from Model Airplane News 1952 - pic 009.jpg
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User comments

Dear friend, here's my next completed project [model photo & more pics 004-009]. Thank you for your plans at outerzone.co.uk.
MartinHurda_CzechRep - 05/09/2019
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