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advanced scale models DeHavilland DH88 Comet Instruction Manual

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INSTRUCTION MANUAL

A semi scale ARF R/C
model of the famous
winner of the 1934
MacRobertson, England
to Australia Air Race.
History of the DeHavilland DH88 Comet
The original DeHavilland DH 88 'Comet' was specially designed to compete in the 1934 England to Australia
MacRobertson Air Race. Three were designed, built and tested in eight months with the first flying on the 8th
September 1934.
The all wood aircraft was powered by two special DH Gypsy Six R engines producing 230 h.p each. The
Comet was the first British aircraft with retractable landing gear, flaps and controllable propellers.
Sponsored by Australian MacPherson Robertson, the MacRobertson Air Race was the longest ever Air Race
from Mildenhall in England to Melbourne, Australia with the winner receiving 10,000 English pounds.
Piloted by Charles Scott and Tom Black, the winning aircraft GACSS (named Grosvenor House after its
sponsor, a luxury hotel in London) won the race in 70 hours and 54 minutes.
Wingspan - 44ft (13.41m) • Wing Area - 212sq.ft. (16.69m
• Empty Weight - 2,840lb (1,288kg) • Max Takeoff Weight - 5,320lb (2,413kg) • Fuel Capacity - 258 gal
• Engines - 2 x 230 h.p. DH Gypsy R • Cruising Speed - 220mph (354km/h)
• Maximum Speed - 237mph (381km/h) • Service Ceiling 19,000ft (5,790m) • Range 2,925 miles (4,707km)
DeHavilland
DeHavilland
DH88 Comet
DH88 Comet
Wingspan: 88 inches (2235 mm)
Length:
Engine/
Motor:
Radio:
2
) • Length - 29ft (8.84m) • Height - 10ft (3.05m)
_____ Page 1 _____
Technical Specification
59 inches (1500 mm)
2 x .32~.40 2 stroke
2 x .52 4 stroke
2 x brushless electric motors
5 or 6 channel

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Summary of Contents for advanced scale models DeHavilland DH88 Comet

  • Page 1: Instruction Manual

    Radio: 5 or 6 channel History of the DeHavilland DH88 Comet The original DeHavilland DH 88 ‘Comet’ was specially designed to compete in the 1934 England to Australia MacRobertson Air Race. Three were designed, built and tested in eight months with the first flying on the 8th September 1934.

  • Page 2: Safety Warning

    Additional Items Required to Complete the DH88 Comet: • 2 x Metal geared micro servos for aileron control • 3 x Standard size high torque servos for rudder, elevator and flap control • 1 x Additional micro servo required if optional retractable landing gear is fitted •...
  • Page 3 STEP 1: Trial fit the tailplane to the fuselage and mark where the area of covering will need to be removed to expose the wood and enable the glue to adhere properly. Carefully cut through the film covering inside the marks - ensuring that you do not cut into the wood sheeting.
  • Page 4 STEP 7: Using 5 minute epoxy, secure the vertical fin in position making sure that it is square in relation to the tailplane. After the epoxy has set, run a bead of medium CA around the outer joint. STEP 8: Using the supplied hinges, fit the elevators and rudder in place by applying a few...
  • Page 5 STEP 12: Before glueing the outer wing panel to the centre section, apply masking tape around the edges of the panels to be joined to help prevent glue running on to the covering. Join the panels with 30 minute epoxy. Remove the masking tape from the panels before the epoxy has set.
  • Page 6 STEP 17: Installing Electric Flight Batteries The installation of electric flight batteries will vary depending on the battery type and size used. The suggested mounting position (for Li-Poly batteries) is under each motor using Velcro straps. We recommend that hardwood rails be installed in this area for added strength and security.

  • Page 7: Step 26 - Balancing The Model

    STEP 21: The flaps are supplied pre-hinged and simply require a suitable servo installing in the pre-cut well and a linkage making. As the hinge line is not straight, we recommend that ball links are used. Check that the flaps operate freely.

  • Page 8: Step 27 - Setting The Control Throws

    ‘three point’ landings. Guarantee Advanced Scale Models guarantees this kit to be free from defects in both material and workmanship at the date of purchase. This does not cover any component/parts damaged by use, misuse or modification. In no case shall Advanced Scale Models’...

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