Radar Design Sperry, Beam length 87mm

Product no.: 4.5263
23.95
Price incl. VAT, plus delivery
Delivery weight: 0.05 kg


Radar Design Sperry, Beam length 87mm

 

Radar suitable for Harro Koebke M1: 25, upper radar

functional, voltage 4.5-28V
Kit, with gear motor and voltage regulator
suitable for Graupner Harro Koebke
Model construction based on the original drawings

The mounting hole is tightly fitting for the planetary gear motor.
The beam has a mounting hole for the flattened shaft of the gearbox.
Assembly
Insert the motor from below into the housing of the radar.
Place the radar bar on the shaft. Pay attention to the flat spot.
The beam does not need to be glued.
Disassembly of the gear motor:
Pull off the radar bar.
Press on the shaft and slide the motor down and out.
Do not pull up on the shaft.
Caution: do not turn the gear shaft with force.

Material: PLA 3-D printing.
Support structures are removed. The surface is pre-smoothed, but still has small grooves.
Lightly sand the surface and smooth it with a spray spatula.
We recommend for surface smoothing:
File cut 1-2
Medium abrasive sponge (80 grit)

dimension
Gear 21.8 x 15.2 x 12.3mm
Beam 87mm
Total height approx. 21mm
Tension:
3V gear motor
Controller input voltage 4.5-28V, the output voltage is adjustable on the controller.

Attitude:
Turn the potentiometer to the right with a 2mm slotted screwdriver. The engine stands still.
Now turn slowly to the left. The engine starts to turn. Set the speed.
Note: if the motor becomes loud, the voltage output is too high.

Contents 1 set of Sperry radar, not mounted
Kit with gear motor and voltage regulator

 

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