Electric Weed Whacker Version 3!

by Mjtrinihobby in Workshop > Tools

1093 Views, 2 Favorites, 0 Comments

Electric Weed Whacker Version 3!

AddText_09-11-04.41.07.JPEG

My latest version has some safety and performance improvements over the previous version: I'm enjoying the lawn cutting experience even more now. Read on for what I did.

Improved Motor Mount.

IMG_20180904_093311.jpg
IMG_20180904_093321.jpg
IMG_20180904_093325.jpg
IMG_20180904_093332.jpg

I used a piece of PVC trunking bolted to the broom stick as a spur to hose clamp the motor.

Improved Safety Shield.

IMG_20180905_144423.jpg
IMG_20180905_144432.jpg
IMG_20180905_144436.jpg

I used a dustbin lid and cut a shield for the flying grass. I screwed the shield onto the motor drive end with 2 small bolts. I used 3 strands of aluminum wire to prevent the plastic shield from being destroyed by the blade.

Stainless Steel Blade.

IMG_20180907_184617.jpg

I cut a stainless steel ruler to make an improved cutting blade. I always wear steel toe boots when using my cutter since this blade will cause major injury to feet.

Li Ion Battery and Tilt Sensor.

IMG_20180907_184612.jpg

Using an old drill battery pack that died I salvaged the good cells to have a 4s2p pack. A door intrusion sensor with magnet I used to make a tilt sensor. Once I raise the cutting end upwards the sensor deactivates the power relay and ensures the blade doesn't spin while I'm cleaning fouled grass.

Completion!

IMG_20180907_184606.jpg
Diy weed electric whacker version 3!

My updated cutter is lighter and safer than before. Not bad for spare parts lying around the house.