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EMOTATOR 1280 CR-4P DC Rotator Set.  - $1,800 Listing ID: 29889

Classified Info

Listing Began: May 3 11:47
Number of Times Viewed: 38
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Seller's Comments and Description:

1280 Rotator & CR-4P DC Controller with PreSet & Speed control, Refurbished & Upgraded.

Includes New MC-1219+AP Top Mast Clamp & Adaptor Plate Assembly, Plugs for control cable & New manual.

Wind Area .............. 3.0 m sq.

Brake Torque ......... 250 Kg/m

Rotation Torque .... 18 ~ 30 Kg/m

Mast size ............... 50 ~ 80mm

Rotation  Time .....  80 ~ 170 seconds 360 degrees

Rotator Voltage ....  24vDC.


The CR-4P DC Controller:- Has a full circle display, Dial PreSet & Speed control + momentary or lock direction switch.

Completely disassembled, cleaned & prepared chassis for new DC upgrade parts.

The Back Panel:- Installed dual output terminals 1 x 8way screw terminal barrier & 8 pin Cinch chassis socket, also installed a new fused IEC socket & earth bolt.

On the inside:- Upgraded display illumination with LED's including illuminated direction needle. The original transformer was replaced with two separate versions 1 x 80 VA 23v all new Australian made version for direction & a new 12v version for the display etc. Also installed DC supply & a PWM motor speed controller. Upgraded the direction switches now also controlling the Preset relays 

The MC-1219+AP Mast Clamp & Adaptor plate Assembly.

All aluminium adaptor plate & refurbished MC-1219 mast clamp. The new adaptor plate is made from 178mm dia. solid aluminium bar cut to 20mm thick then machined with 6 x counter bored holes for mounting to the rotator with 6 x M10 threaded holes for the H/D MC-1219 mast clamp. Both the adaptor plate & mast clamps glass bean blasted, etched primed & painted in epoxy enamel paint (Pewter). Includes all stainless steel M8 & M10 clamping/mounting hardware.   

The 1280 Rotator:- Twin solid final drives onto housing & driven by a (DME60SB) 24v DC motor (this motor is one size larger than what is in the Yaesu G-2800 rotator).


This rotator is an upgraded 1200 with new re-design 10mm thick aluminium gear/motor plate with New longer 12mm gear shafts that are fixed solid into the new gear/motor plate, the gear drive train now has an extra reduction gear in line to slow the rotator down (now over 7,000:1 ratio), giving more rotation & brake torque. Also the motor's aluminium pinion gear was replaced with my all new steel version that was Laser Sintered Metal 3D Printed for me locally.   


Completely disassembled & cleaned etc, checked all parts for damage. All gears are in very good condition. I order to add an extra gear into the drive train I replaced the first 3 gears with new versions which have a narrower set plus the No 1 gear was cut down to the narrower set. The new longer 12mm gear shafts had C-clip grooves cut into them, to hold the two top heavy gear off the faster moving lower gears, this also reduces the load on the motor letting these spin free. Replaced the original control cable socket with a new 5 pin IP67 version. The housings were Glass Bead Blasted, etch primed followed by painting in epoxy enamel (pewter).

Reassembled with new bearing & new grease through out. Re-aligned & calibrated with the controller.

240v AC. 24 month warranty.

This unit is available for exchange. See details on my web site.
Contact Peter on 0427 043 054 (NO SMS) or via the VK Classifieds embeded email service.


Manufacturer Emotator & Duoro
Model 1280 CR4P-DC
Year of Manufacture 2021
Condition of Item Excellent
Accessories Included Top Mast clamp assembly, IEC power lead, Plugs for control cable, revised manual
Postage / Freight Buyer Pays


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