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Cumic Plus Airtronics ( 100 in. / 254 cm )

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Cumic Plus Airtronics model airplane plan

Cumic Plus Airtronics

RC Modeler magazine's Cumic Plus Airtronics

The Airtronics Cumic/Cumic Plus thermal duration sailplane was designed and distributed by the Airtronics Specialty Division in the late 1970s as a follow-on to the tremendously successful 100" Sagitta 900. The Cumic kit featured a light epoxy glass fuselage and materials to build either the 100" Cumic or the 117" Cumic Plus; either version can be built from the plans where the primary differences between the two are the spanwise dimensions of the inboard main panels. The Cumic airfoil appears, to these eyes, to be the venerable Eppler 205, a quite popular airfoil used in that era prior to the advent of more sophisticated airfoils such as the Selig-Donovan 7000 series airfoils. The plans, in addition to showing the 100" and 117" variants, show details to build a Cumic as either a polyhedral rudder/elevator/spoiler or a "flat winged" rudder/elevator/aileron soaring machine. Either way, a Cumic would be a great sport aircraft to build, requiring moderate building and assembly skills to complete. Although it would be difficult to find a suitable substitute glass fuselage for a Cumic today, a perfectly satisfactory fuselage can be built using the Sagitta's all-wood fuselage construction as a guideline.

Link to this page: https://aerofred.com/details.php?image_id=83841

Details: Full Details
ID: 83841
File Size: 1.7 MB
Type: Glider
Class: Radio-Control
Use: Thermal
Wingspan: 100 in. / 254 cm
Publisher: RC Modeler magazine
Magazines:  More at RCBookcase
Weight:60 Ounces
Listing Editor: aeroastro
Added: 22/05/2015 22:41
Updated: 01/01/16 07:15:27am
Corrections? Contact aeroastro
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Filetype: .pdfSoftware for .pdf files

Member Profile for aeroastro

Hi! I'm aeroastro

Fascinated with model aviation since a youngster, my modeling experience includes control-line, indoor modeling, competition free flight, r/c competition thermal sailplanes, r/c electric powered models, and more recently, Giant Scale r/c models. After gaining an MIT Aeronautical/Astronautical degree, I served 29 years in the USAF in the space and missile fields, serving as Program Manager for two major space programs. Presently retired and residing in Southern California, enjoying its year-around excellent

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Plan Attributes: Edit Attributes
Plan ID:83841
Keywords:Airtronics Cumic Cumic Plus sailplane 100" 117" thermal duration
Model Type:Glider
Aircraft Use:Thermal
Wingspan: 100 in. / 254 cm
Wingspan Class:More-Than-260cm (102in)
Wing Position:High-Mounted-Wing
Wing Style:Straight-Wing-Trap
Wing Dihedral:Polyhedral
Landing Gear:Skid
Weight:60 Ounces
Weight Class:1500g-To-2000g (52.9oz-To-70.5oz)
Construction Skills:Low-Intermediate
Pilot Skills:Low-Intermediate
Publisher:RC Modeler magazine
Magazines:  More at RCBookcase
Restorer:Have you restored this Plan? Request transfer to your account
Category:PDF Bitmap Wood Model Airplane Plans
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