WARPASTRON WARPDRIVE WD-20E HARMONIC MOUNT
The WarpAstron WarpDrive WD-20E is a portable strain wave gear mount capable of handling 22kg payloads without counterweights and 30kg with counterweights.
Part of the new EC-series, the WD-20E features a high resolution absolute encoder on the RA axis, taming periodic error and improving guided performance. By combining fast input-side correction with true output-axis feedback, WD-20E reduces total periodic error while preserving the high response and efficiency inherent to servo direct drive. Each unit is individually calibrated using WarpAstron’s proprietary process to ensure consistent, verifiable low PE performance.
Utilizing WarpAstron's Servo Direct Drive technology, the WD-20E has far less backlash and greater tracking accuracy than typical strain wave mounts. This design features a single stage strain wave reducer directly coupled to the servo motor with no need for synchronous belts as found on most strain wave mounts on the market. This eliminates transmission errors caused by such systems or imperfect assembly.
Thanks to its beltless transmission, the WD-20E can work at temperatures as low as -25° C. Additionally, you don't need to worry about belts deteriorating or losing tension with age. The WD-20E also includes a built-in GPS which automatically obtains time and position info, which can then be read in popular astrophotography software such as NINA. The mount's coordinates and home position are stored in memory even after the mount is powered off.
WarpAstron EC-series mounts are powered by OnStepX and can be controlled via ASCOM/INDI with popular software and control units such as the ASIAIR. The newly developed colour OLED touchscreen controller gives you complete control over the mount's functions, including GPS connectivity and night vision mode.
The WD-20E can be used with a counterweight shaft that has M12 x 1.75 threads such as the ZWO counterweight shaft for AM5 (sold separately).
Note: Tripod, telescope and other equipment shown above sold separately. WarpAstron mounts are compatible with the ZWO TC40 and PE200 pier extension. The PE200 allows you to use WarpAstron mounts with the Geoptik Hercules tripods and the SkyWatcher HEQ5 tripod.
Warpdrive WD-17 mounted on Geoptik Hercules 95 tripod using ZWO's PE200 pier extension.
Specifications
| Mount |
Strain wave EQ/ALT-AZ mount |
|---|---|
| Max payload | 22kg without counterweight, 30kg with counterweight |
| Mount weight |
5.7 kg (mount head only) |
| Transmission |
Brushless servo motor with direct drive shaft |
| RA drive | Type 20 strain wave reducer with absolute encoder |
| DEC drive | Type 17 strain wave reducer |
| Material | 6061 aluminium alloy, stainless steel, brass, ABS |
| Surface treatment | Anodizing and anti-rust coating |
| Brake | EC HA limit (based on encoder), AEB (automatic emergency brake and reverse); No mechanical brake |
| Maximum slew speed | 10º / second |
| Latitude adjustment range | 0º - 90º |
| Azimuth adjustment range | ± 8º |
| Hand controller | Smart hand controller/ OnStepX |
| Power Requirement | 12V DC @ 5A, 5.5 x 2.5 mm |
| Counterweight Shaft | Sold separately |
| Wireless connection | Wi-Fi & Bluetooth |
| Dovetail saddle | Losmandy & Vixen-style |
| Communication port | USB-C |
| Tripod | Sold separately |
| SKU | WA-WD20E |
Items included
- WD-20E harmonic mount
- Advanced hand controller with OLED colour touch display
- USB Type-C to A Data Cable (for PC connection)
- USB Type-C to C 1m Cable (for hand controller connection or 100W PD)
- USB Type-C to C 2m Cable (Mount power cable)
- PD Type-C to DC 5.5*2.5mm 12V 5A 1m cable
- Allen wrench
- Soft case
Downloads
 WD-20E manual
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