Multiple parts are involved, and several glue joints are made simultaneously. One of the early steps is installing the main-spar assembly. I didn’t print it out, but left the file open on my laptop, allowing me to zoom in on the pictures to see the small details. The manual, although only available online, has detailed, step-by-step instructions and photos. The Crack Yak is built on a flat work surface. Elevator and rudder servos use carbon-fiber pushrods, held in place with small plywood guides. Most CAs are relatively brittle, although I did use CA for the servo-arm extensions and reinforcing thread, the landing gear and the axles.īattery is a slip-fit into the fuselage.
Twisted Hobbys recommends the use of Welder brand contact adhesive for the majority of the construction. The Twisted Hobbys website offers all these items, and I chose the Twisted Hobbys Power Combo Digital Lite 32 package for the review, adding an older Spektrum AR6100 DSM2 receiver, and Thunder Power 2S 325mAh 65C LiPo. One of the newest additions to the Twisted Hobbys lineup is the 32-inch Crack Yak-55 “Lite.” This model is lightweight and agile enough to fly in small gymnasiums, yet large enough to handle light winds if flown outdoors.Įquipment needed to get the Crack Yak flying includes a 275-class motor (50-75 watts), 6-12A ESC, one 9-12-gram servo for the ailerons, two 4-6-gram servos for the rudder and elevator, a receiver and a 2S LiPo pack of 360-450mAh capacity. High-level, unlimited indoor aerobatics are the specialty of the house.įeatured in the Spring 2013 issue of Park Pilot.
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