Bohemia Models “1928 Monocoupe" - RC Groups
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Nov 10, 2017, 09:27 PM
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Bohemia Models “1928 Monocoupe"


1 of 2 latest projects........ I picked up this never flown RTF at the 2017 NEAT Fair.

Electric conversion by: Greg Covey | Article Published: June 2003

• • History Overview • •
The Monocoupe 22, the prototype of the 70, was the first light cabin monoplane to be certificated under the Department of Commerce regulations established in 1927. In 1928, nearly 90 percent of all the light airplanes produced and sold in the United States were Monocoupes. The popularity of this light cabin plane lay in the side-by-side seating and the pleasant, though spirited, characteristics of the aircraft that made it fun to fly.

• • Specifications • •
Recommended Flying Site: Flying Field
Airframe Type: Sport
Pilot Skill Level: Intermediate
Builders Skill Level: Intermediate

• RTF Weight: 10lbs / 160oz
• Wing Span: 82 in
• Wing Area: 1054 sq in
• Length: 50 in`
• Loading: 21.9 oz sq ft
• Wing Cube loading: 

• • Power • •
• Engine: Saito FA90R3 / FG19 KELEO Exhaust
• Onboard Glow Driver: ElectroDynamics 1.2v
• Propeller: 12x7 - 13x6 - 13x7
•Batteries: 9000mAh 1.2v Nicad and 6v NiMH

• • Control • •
• Control Layout: 7 Channels - R/E/A/A/F/F/T
• Aileron Servos: 2 x Futaba S3152
• Elevator Servo: 1 x Futaba S3152
• Rudder Servo: 1 x Futaba S3152
• Flap Servos: 2 x Futaba S3152
• Throttle Servo: 1 x Futaba S3004
• Receiver: Spektrum AR7350 AS3X
Last edited by simages; Nov 10, 2017 at 10:37 PM.
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Nov 11, 2017, 12:45 AM
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Wing servo plug mod.....


Secured the wing servo plugs with mount from a Multiplex FunCub XL.

Replaced all the control surface servos with S3152 and kept the S3004 on the throttle.
Last edited by simages; Nov 11, 2017 at 08:31 AM.
Nov 11, 2017, 12:53 AM
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Wing strut pins


I made a couple of pins to secure the wing struts.
Nov 11, 2017, 01:01 AM
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Replaced orininal wing eyelets


The original eyelets are really too short so I replaced them with thicker and longer ones. Each wing now has an added set screw on each side.
Last edited by simages; Nov 11, 2017 at 04:33 PM.
Nov 11, 2017, 08:34 AM
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Engine exhaust


Installed a FG19 KELEO Exhaust
Nov 11, 2017, 06:58 PM
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Quick fix..... ugh....


Hope it's last time to drop the engine for awhile. Had a bad glow plug wire.


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