Mountain Models ParkJet Build Manual Download Page 1

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ParkJet Builder’s

Manual

Thank you for purchasing the ParkJet. The ParkJet is a profile ducted fan airplane that can be flown in a
larger park. The ParkJet was initially designed by Scott Stoops and modified for laser kitting by
Mountain Models.

March 19, 2003

Last revised April 13, 2003

www.mountainmodels.com

(719) 592-1387

(719) 528-6125 fax

Specifications:

Wingspan: 33.75”
Wing Area: 200 sq. in.
Weight with 8x600AE batteries: 17 ounces

Summary of Contents for ParkJet

Page 1: ...er park The ParkJet was initially designed by Scott Stoops and modified for laser kitting by Mountain Models March 19 2003 Last revised April 13 2003 Copyright 2003 Douglas Binder Mountain Models www mountainmodels com 719 592 1387 719 528 6125 fax Specifications Wingspan 33 75 Wing Area 200 sq in Weight with 8x600AE batteries 17 ounces ...

Page 2: ...1 ea 1 8 round x 19 hard wood leading edge 1 ea 1 8 round x 17 hard wood leading edge 2 ea 032 music wire pushrods 1 ea 8 plastic pushrod tube 1 ea 200 x 14 5 carbon fiber tube 1 ea 200 x 6 carbon fiber tube 1 ea 6 Heat shrink tubing for pushrods 1 ea Velcro strip for mounting the battery 1 ea 1 8 x 1 2 long aluminum tube elevator bushing 2 ea 3 32 x 2 music wire elevator attachment rods 2 ea micr...

Page 3: ...me thin CA into the elevator joiner rod openings to harden the elevator in that area 6 Sand the tail surfaces smooth and round the edges 7 Cover the tail surfaces with the supplied Doculam or a lightweight covering such as Solite See the wing covering section for covering tips 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 w...

Page 4: ...le The end that is shaped like a V goes towards the center of the wing Glue with thin CA We will now glue the two wing halves together Position the spars and the trailing edge carefully together and glue with thin CA Glue the two 1 8 rib reinforcements to the inside of the outermost ribs as shown Measure and cut the 1 8 hardwood leading edge dowel so that it is flush with the outer edge of the out...

Page 5: ...b of the opposite wing and overlaps the wingtip and the leading and trailing edges by 2 Tack one corner of the trailing edge then the other corner of the trailing edge with a covering iron ensuring that the covering is tight Pull the covering tight and straight then tack the two corners of the leading edge Tack down the entire leading and trailing edge Wrap the covering around the back of the trai...

Page 6: ...m rear of the fuselage Once the 1 64 ply is properly aligned weigh it down with something like a large book till the glue sets up You may wish to protect your weight with a sheet of wax paper Glue the other 1 64 fuselage side as you did the first side There are three 1 64 ply reinforcement pieces per side Glue them in place with thin CA Lightly sand the longer carbon fiber rod and glue it to the t...

Page 7: ... degree bevel in the leading edge of the ailerons Sand the entire ailerons lightly and paint or cover them Attach the ailerons to the wing with a 1 wide strip of packing tape Ensure that the ailerons move freely Center the short 1 8 aluminum tube in the vertical stabilizer Slide one of the 2 x 3 32 metal rods into the tube to help with alignment Ensure it is square to the vertical stabilizer Remov...

Page 8: ... of the vertical stabilizer Bend a Z bend into the 1 32 music wire Slide the other end of the wire into the front opening of the pushrod tube Cut a piece of 1 32 music wire 2 5 long Make a 90 degree bend 1 4 from one end Slip a piece of 3 4 long heat shrink tubing over the tail end of the elevator pushrod Slide the long end of the L bend wire into the heat shrink and place the short end into the o...

Page 9: ...es Wire the speed control and servos to the receiver Adjust your throws so that the elevator has a total movement of measured from the rear next to the vertical stabilizer and the ailerons have a total throw of Flying Before you fly the ParkJet check that the control surfaces move the correct directions Always check the directions while you are behind the airplane I highly recommend that you check...

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