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ALTECARE RC

Behotec Heavy Duty Retracts

Retracts systems for models from 10 lbs up to 110 lbs

The C50B Retract set for models up to 45 lbs
Firewall mount for both Mains and Nose
Nose and Mains with 90° and optional 105° retraction angles


C50 complete Firewall Mount retract set C50B 90°: $US 395

C50 Mains 105° retraction option (each): $US 15

Nose retract units with optional Servo steering:

C50 Nose 105° retraction option: $US 15
We recommend C50B-SH - Servo steering adapter kit: $US 45

Single retract unit prices:

C50 single 90° unit Mains: $US 105
C50 single 90° unit Nose: $US 105


New C50F Retract Low Profile set for models up to 55 lbs
with a new forward retracting Nose unit
with optional servo steering adapter kit

The C50-F was developed for models with very thin wing profile,
e.g. (viper, Airmachi etc.) it is an air up air down system.
The design is extremely robust and is intended for models up to 25 kg (55lbs).
The large piston, with 20 mm inside diameter, allows for the use of large struts.
The retract body is a 1 piece milled to ensure extreme strength and rigidity.
The adapter hole in the trunion can acomodate 8,10,12.70mm adapter pins

The struts lock in both up and own positions and offers a retraction angle of 90°.
The nose gear trunion can also hold the optional servo steering adapter kit.

C50F retract set: $US 485
Nose unit needs C50F-Servo Steering Adapter kit: $US 50

NEW C40 Air up/down Complete retract set for models up to 35 lbs

The C40 retract set is machined from high-strength aluminium (F 50) and is designed for models up to 16Kgs (35lbs). The retract body is a 1 piece milled to ensure extreme strength and rigidity. All retract units can be interchanged and used as Mains or Nose units. Standard retraction angle is 90° with optional 100° or 105°. The Trunion swivels in the opposite direction to the cylinder. It is also important to note that all our air up air down units can be used together in the same model should you wish to do so i.e. you can combine the C36-2, C40, C50, C50B, C50F and C60 on the same air system. The trunion is drilled for 6mm pins but 8mm is also possible.

C40 retract set: $US 350

C40 Mains 100° retraction option (each): $US 10
C40 Mains 105° retraction option (each): $US 15

C40 Nose 100° retraction option: $US 10
C40 Nose 105° retraction option: $US 15

Nose unit needs C40-E-90R - Servo steering adapter kit: $US 45

C40 Retract unit: $US 95

 

C21 retract set - 1 oz each retract unit

C21/C36 Retract - Brake valve instructions

The C21 retracts are air up spring down units. Any pressure loss during flight will cause the struts tocome down automatically.

The retraction angle is 90°. Unlike other manufacturers, our one part retract bodies with cylinder are machined from solid block (F50 specifications), and all aluminium parts are anodized to minimize wear.

This retract is extremely strong and very light. Set includes all necessary fittings as well as a retract / brake valve to eliminate the need for an extra servo. The C21 retract is compatible to the 602 Spring Air retract.

Set contents :

  • 2 main retract units
  • 1 nose retract unit
  • Festo tubing, Festo quick links, Festo filler valve, and air bottle
  • NEW 3 way actuating valve (brake operation)
  • Connection diagram, photos & explanations
  • Standard accessories kit

The retracts are 21mm (0.83") deep and 63mm (2.48") long

C21 Retracts set price: $US 210

C36/2 retract set

The Behotec C36/2 Retract sets designed for models weighing up to 12Kg (27Lbs).The C36/2 is air up/down. The actuating valve is also able to operate wheel brakes without the need of a separate servo ! ( 3rd output )

The C36/2 sets consists of :

  • 2 main retract units
  • 1 nosel retract with threaded steering pins ( flat mounted or front mounted )
  • Festo tubing
  • Festo connectors
  • Festo filler valve
  • Steering axel for nose strut is 6mm hardened steel
  • Air tank
  • Detailed installation instructions, diagrams and pictures
  • Download instruction manual
  • Complete system : 295 grams
C36/2 price: $US 325

C50 retract set

The C50 retract set is designed for use in larger models, up to 20 kilograms (45Lbs). It is a double action system ( air up- air down). Like all of our retracts, the main body is machined from a solid block. We use only the best available aircraft grade aluminium ( F 50 specification ) and all aluminium parts are anodized to minimise wear. The piston diameter is 20 mm and this allows it to lift up heavy struts. The connection between retract and strut is drilled for 8mm hardened steel rods. Retraction angles of 75, 90 ( standard ) and 105 are possible. The retract bodies are available as standard in "flat mounted" or "front mounted" units. The 105 version is only available as a front mounted unit.The actuating valve is also able to operate wheel brakes without the need of a separate servo ! ( 3rd output )

The C50 set consists of :

  • 2 main retract units
  • 1 nose retract unit , with threaded steering pins ( flat mounted or front mounted )
  • Festo tubing
  • Festo connectors
  • Festo filler valve
  • Steering axel for nose strut is 8mm hardened steel
  • Air Tank
  • Detailed installation instructions, diagrams and pictures
  • Weight of single retract : 165 grams
  • Complete system : 580 grams
  • Download instruction manual
C50 price: $US 395

I have been asked about a self centering solution for the C36, C36/2 and C50 retracts. Although not needed, you can modify your retract to self centre as per picture below.

 

Retract units spare parts:

C36 and C36/2 Trunion: $US 19.95

C50 Trunion: $US 39.95

 

 

 

 

 

 
 
 
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