Lift Engine

The construction of the ground station for the tree lift is largely self-explanatory. The Waterproofed phenol faced birch plywood panels form the structural framework. In this open box, the motor and mounting bracket, the deflection roller and the tension roller made of PU tubing are installed.

For the counter bearing in the treetop 2 Waterproofed phenol faced birch plywood plates are fixed with 4 rubber tension cables and tension belts at a suitable position in the treetop. The counter bearing has two pulleys.

Parts List

Motorbox

• 1 DC motor up to 24(36)V, with worm gear

• Waterproofed phenol faced birch plywood wooden plates

  • 1 groundplate 18 mm 26.50 x 36,50 cm
  • 2 sideplates 12 mm 34.00 x 12.50 cm
  • 1 topplate 18 mm 26.50 x 24.00 cm
• 1 motormount (3D printed) Motor Mount
• 1 reel (3D printed) Motor Mount
• 2 welftnuts M4 12
• 1 cable with connectors (rain-waterproof)
• 1 return pulley + mount
• 1 drain pipe (to tighten the wires)
• 1 anchor (to stop the drain pipe from rolling loose)
• 2 ground anchors
• 1-2 span belts
• screws
  • 6 (connecting the wooden plates)
  • 1 M4 16 (motor - motormount)
  • 2 M4 12 (motor - motormount)
  • 2 M4 25 (motormount - groundplate)
• 6 wooden dowels (optional)
• glue

Topmount

• 2 plates
• 4 rubberbands
• 1 eye bolt + corresponding nut
• 1 span belt
• 2 return pulleys + mount

Others

• wires 3mm
• fishing line at least 10kg

Construction Scheme

Deployment of a Lift Station

It is not possible to completely standardize the construction of a Sensorlift, since the installation of the components depends very much on the in situ conditions. Nevertheless, two areas have to be distinguished, the treetop and the ground station, which have to be processed in a sensible sequence.install

Deployment of the Base station

While depoying the engine box the yellow ropes has to be fixed to prevent knotting

Put the engine box on the correct position and hammer in the tent peg. After that thread in the belt to the tent peg

You have to fix the fishing line at booth ends. The first end is fixed at a carbine with an eighth knot

The other end is fixed also with a eighth knot at the deepening in the role

Now you have to push the up button and wind 10 windings of the fishing line on spool

After that you can close the top with a plank. Use two screws to fix the plank and tighten the belt to the ground

Now insert the pipe in the engine box and thread the yellow ropes throw the pipe

Use a knot and fix booth ropes with the same length on booth sides of the pipe. Start screwing the pipe and wind the rope to the middle

Insert the liftbox with the yellow rope between the side wheels. Additionally click in the carbine of the fishing line to the liftbox

Add the magnet at the bottom and pray that the climber has added a magnet at the upper end

Also add the engine control box and test the whole construction