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Dandy Sport
Builder's Manual
Thank you for purchasing the Dandy Sport. The Dandy Sport has been designed as an easy to build
aileron trainer. Take your time and enjoy building this plane.
March 10, 2003
Last revised March 24, 2003
Copyright 2002 Douglas Binder, Mountain Models
www.mountainmodels.com
(719) 592-1387
(719) 528-6125 fax
Specifications:
Wingspan: 35"
Wing Area: 300 sq. in.
Weight with 8x720 NiMH batteries: 12 ounces
1
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Summary of Contents for Mountain Models Dandy Sport
- Page 1 Dandy Sport Builder’s Manual Thank you for purchasing the Dandy Sport. The Dandy Sport has been designed as an easy to build aileron trainer. Take your time and enjoy building this plane. March 10, 2003 Last revised March 24, 2003 Copyright 2002 Douglas Binder, Mountain Models www.mountainmodels.com...
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Page 2: Required Equipment
Required Equipment To build: Xacto with #11 blades Thin and Thick CA – Cyanoacrylate glue (Super Glue) Sanding block with 200 grit sandpaper Smooth, flat work table Wax paper to protect plans Needle nose pliers Wire cutters Hobby Iron for applying covering – also called a sealing iron To fly: Four channel radio (The Berg5*dsp is highly recommended, second is the GWS-R4P micro receiver. -
Page 3: Notes And Hints
Notes and Hints • The Dandy has been designed with weight in mind. Parts and reinforcements were chosen so as to keep the plane light. Special care must be taken when making glue joints to ensure that the Dandy can survive rough landings. •... -
Page 4: Wing Assembly
Wing Assembly Note: It is very easy to make two wings of one side, i.e., two right wings. This is a bad thing. ! Tape a sheet of wax paper over the plans to protect the plans and to prevent glue from sticking to them. - Page 5 ! Bevel the wingtips so that they mate up well with the end rib and glue as shown in the photos. It is easiest to glue from the spar to the trailing edge then, once the glue has set, raise the leading edge of the wingtip towards the leading edge dowel and glue in place.
- Page 6 ! Glue the two 1/16” plywood servo reinforcements to the 1/64” plywood sheet as shown. Take care to not fill the holes with glue. ! Glue this 1/64” plywood sheet to the top of the center wing such that it is flush with the back of the trailing edge and centered.
- Page 7 ! Glue two 3/32” balsa braces to each of the outer ribs as shown. ! Verify that the top and bottom spars are glued to the vertical spar completely and that there are no gaps in the glue joints. ! Lightly sand the wing to remove any bumps and glue Aileron Assembly The ailerons are made up from the 3/32”...
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Page 8: Aileron Servo
! Once both sides of the wing are covered, shrink the covering with a covering iron or heat gun. If you are using the supplied clear covering, you will need a fair amount of heat to shrink the covering but too much heat will result in a hole. ! Tack the covering down around the servo hole then cut the hole out with a sharp Xacto. - Page 9 3. Glue the .75” x .875” x 3/32” balsa rectangle to F3. Use the guide lines that are etched onto F3. Press the blind nut into the hole in the balsa. 4. Lay the bottom fuselage on the wax paper and glue the bulkheads in place with thin CA. F5 is not placed at this time.
- Page 10 14. Glue the 1/16” x .75” x 4.25” plywood battery mount to the support you just installed and to F5 using thick CA. Attach a Velcro strip to the bottom of the battery mount. You may want to flow some thin CA under the Velcro to ensure it is firmly attached to the ply. 15.
- Page 11 the door and push down on the door so that it is flush with the fuselage. This will set the tack to the proper height. Give the glue a minute to dry and you’re done. If the magnet is too strong you can attach some tape to the thumbtack to weaken the pull.
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Page 12: Final Assembly
27. Attach the vertical stabilizer to the notches in the fuselage and glue with thin CA. Ensure the vertical stabilizer is straight. 28. Lay the 1/32” ply gear holder on the wax paper and position the 1/16” balsa gear holder as shown. Glue with thin CA. - Page 13 2. Insert two servos into the servo mounts. Insert the Z bends of the pushrods into the servo control arms and mount the servo arms onto the servos so that they are centered. Use the outer holes in the servo control. 3.
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