PlaneWave Direct Drive Mounts

PlaneWave Direct Drive Mounts

PlaneWave Direct Drive Mounts

The PlaneWave L-Series Direct Drive Mount system is offered in Alt-Az or Equatorial configurations. The L-Series comes in two models: The L-500 is designed for the CDK17/20 and can hold payloads of over 200 lb.; The L-600 is ideal for the CDK24 and can hold up to 300 lb. Both mounts are designed with zero backlash and zero periodic error, virtually silent motion and slew speeds of up to 50 degrees per second!

The L-Series combines versatility, simplicity and affordability by combining all the technology of the PlaneWave Observatory class telescopes into a compact stand-alone mount. In its Alt/Az configuration it is considerably more compact than its Equatorial counterpart, allowing a larger telescope to fit in a smaller enclosure. The mass it takes to make a rigid Alt/Az mount is substantially less, leading to cost savings. Unlike German Equatorial Mounts, there are no meridian flips to deal with, and no large protruding counterweights to create a dangerous hazard in a public observatory. Alt/Az is more intuitive to use and no polar alignment is needed. Besides, it is the way the pros do it!

L-Series Features

Direct Drive Motors & Encoders

Direct Drive motors and on-axis encoders eliminate the need for gears, thereby eliminating backlash and periodic error. With high-resolution encoders providing the feedback for the direct drive motors, not only will the telescope track without periodic error and backlash, the mount will also counter wind gusts with precise servo feedback.

Dual Mounting Bracket

PlaneWave style mounting bracket to hold CDK17/20 onto inside of fork arm with additional option of mounting a scope on the outside of the fork arm. Optional dovetail clamp required.

Incredible Slew Speed

The direct drive motors can move the telescope at speeds up to 50 degrees per second for tracking satellites or just to minimize target acquisition time.

L-Series mount with dual PlaneWave telescopes

Azimuth Dovetail Balance System

The mount slides for precise center of gravity balance whether in Alt-Az or Equatorial configuration.

L-Series mount balance system

Through The Mount Cabling

Access panels in the fork arm and azimuth axis allow for camera equipment cabling through the inside of the mount.

L-Series mount cabling system
L-500 starting at $18,000
L-600 starting at $45,000
PlaneWave L-Series Brochure
PlaneWave Videos

CDK-400 Package

CDK-400 (CDK17 / L-500) $38,000
IRF90 Rotating Focuser 4,500
EFA Focuser Accessory 1,000
TOTAL $43,500

Save $2,000!

CDK-L500 Package

CDK-500 (CDK20 / L-500) $47,500
IRF90 Rotating Focuser 4,500
EFA Focuser Accessory 800
TOTAL $52,800

Save $3,000!

CDK-600 Package

Mount System

Type: Alt-Azimuth / Equatorial Direct Drive Mount

Weight: 257 lb. (100 kg)

Component Weights: Azimuth Base: 121 lb. (55 kg), Fork Arm: 136 lb. (62 kg)

Max. Load Capacity: 200 lb. (91 kg)

Latitude Range: 0 to 90 degrees, Northern and Southern hemispheres

Cable Management: Equipment cables can be wired through mount

System Performance

Pointing Accuracy: <10 arcsecond RMS with PointXP Model

Pointing Precision: 2 arcsecond

Tracking Accuracy: <0.3 arcsecond error over 5 minute period

System Natural Frequency: 10 Hz or greater

Control System

Control Electronics: PlaneWave Interface dual axis telescope control

User Interface: PlaneWave Interface 4 (PWI4) Control Software with integrated PointXP mount modeling software

Homing Sensors: Home position sensors are included allowing the mount can find its home position on power up.

Slew Rate: 20 degrees per second (standard); 50 degrees per second (maximum), both axes

Power Requirement: Accepts 120 VAC. Supplied with 12VDC 15A Regulated Power Adapter

Motion Control

Motor Control: Industrial grade brushless motor control system and built in electronics

Motor - Azimuth & Altitude: Direct Drive 3 Phase Axial-Flux Torque Motors

Encoder - Azimuth & Altitude: 152mm disk built into the azimuth and altitude axes with stainless steel encoder on the circumference with reader yields 18,880,000 counts per revolution of the telescope. This translates to about 0.069 arcsecond resolution

Motor Torque: Approximately 20 ft-lb. continuous; 50 ft-lb. peak

Drive Electronics: Industrial grade, off-the-shelf brushless motor drives for each axis with custom designed interface card

Telescope Control Software: PlaneWave Interface (PWI4). Incorporates PointXP mount modeling software by Dave Rowe All ASCOM compatible.