90° — no spacers
The tabletop rests in its lowest position: the base setting.
Compact runner
sharpening machine.
Created for the DN racing community. Precise angle adjustment and variable belt speed for preparing iceboat runners in the workshop and at regattas.
Specifications
750 WPowerful servo motor
3000 RPMVariable motor speed
740 × 220 mmWide work table
90°–100°Instant angle setting
01 /DIMENSIONS
Easy to take with you.
1000 × 350 × 210 mm
Width × depth × height.
Including the motor and all protruding parts.
Weight 19.5 kg
A rigid transport case is available as an option.
02 /SHARPENING ANGLE
Rigid. Compact.
Easy to adjust.
Key adjustments need no special tools. The sharpening angle is set with dedicated spacers.
95° or 100° — with spacers
Calibrated spacers let you quickly set the required angle and reproduce the setting precisely.
Continuous angle adjustment
A screw-adjustment option allows the angle to be set without spacers by continuously varying the tabletop tilt.
3D-printable spacers
Download a 3D model for your chosen angle. Two identical parts are needed to set the angle.
91° Download STL92° Download STL93° Download STL94° Download STL95° Download STL96° Download STL97° Download STL98° Download STL99° Download STL100° Download STL
Two pairs of spacers for 95° and 100° are included; 90° requires no spacers.
03 /BELT TENSION
Spring-maintained tension.
The release lever allows the belt to be removed and fitted. Tension is set during assembly; a tracking screw adjusts the belt position on the guide roller.
Spring — tension
Lever — belt changes
Screw — belt tracking
04 /WORK TABLE
Wide work table.
A 740 × 220 mm tabletop for comfortable runner handling. The effective working length is 800 mm.
05 /DRIVE AND CONTROLS
Speed and direction.
Within reach.
Speed
The dial varies motor speed from 0 to 3000 RPM. Speed can be adjusted while the machine is running.
Direction
The selector sets either belt direction. The centre position stops the drive while retaining the speed setting.
Power
The main switch turns off power to the machine. The mushroom button provides an emergency stop of the drive. The electronics remain powered.
06 /TECHNICAL DATA
Key specifications.
| Drive | 750 W servo motor, direct drive |
| Power supply | 220–230 V · 50 Hz · protective earth |
| Motor speed | 0–3000 RPM, variable speed |
| Belt direction | Reversible |
| Angle adjustment | 90°–100°, stepped or continuous |
| Abrasive belt | 2000 × 50 mm or 2000 × 75 mm |
| Frame | 3 mm steel, laser-cut and bent, powder-coated |
| Effective working length | 800 mm |
| Work table | 740 × 220 mm; 18 mm film-faced plywood |
| Dimensions | 1000 × 350 × 210 mm, including protruding parts |
| Weight | 19.5 kg |
| Power inlet | IEC C14 |
Designed by Yuliy Ulyanitskiy / R220
07 /EQUIPMENT
Included equipment
and options.
The machine comes fully equipped, adjusted and ready to use.
Included
- Machine with analog controls
- Two pairs of spacers — 95° and 100°
- Runner holder
- Power cable · 2 m
Options
- Continuous angle adjustment with an adjustment screw
- Built-in residual-current circuit breaker
- Digital controls for more precise motor speed adjustment
- Rigid transport case
08 /ORDER
Made
to order.
Machine price
€2,490
For the first three buyers
€1,990
Estimated production time: 1–2 months
The schedule is confirmed when ordering. Shipping is charged separately. International delivery is subject to individual arrangements.