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Electric Post Hole Digger. done

Created by Macroscien Macroscien  > 9 months ago, 9 Oct 2021
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Macroscien
Macroscien

QLD

6808 posts

9 Oct 2021 10:49pm
Do you remember
five years ago
I did post some ideas about electric post hole digger.
I did make some prototypes ,by removing petrol combustion engine and replacing with electric motor from Ryobi chainsaw.
Did work but was awfully ugly to use.



there were some problems too,
motor 2200W too powerful



rotation direction wrong, but fixed later



In a year or so later Chinese manufacturer build for me on special order those machines



I sold couple hundreds of those on eBay since then
being the only supplier of electric augers



didn't make any money, but that is fine with me ....
still could see room for some improvements but time to go for new challenges ...
Rails
Rails

QLD

1371 posts

10 Oct 2021 4:53am
This for ice fishing

www.finn.no/bap/webstore/ad.html?finnkode=168137740
Macroscien
Macroscien

QLD

6808 posts

10 Oct 2021 8:45am
The most difficult part when going to manufacture your device is choosing the right color.
Yellow?, Black? Red? Green
I did choose Makita like blue
UncleBob
UncleBob

NSW

1301 posts

10 Oct 2021 11:22am
Select to expand quote
Macroscien said..
Do you remember
five years ago
I did post some ideas about electric post hole digger.
I did make some prototypes ,by removing petrol combustion engine and replacing with electric motor from Ryobi chainsaw.
Did work but was awfully ugly to use.



there were some problems too,
motor 2200W too powerful



rotation direction wrong, but fixed later



In a year or so later Chinese manufacturer build for me on special order those machines

I sold couple hundreds of those on eBay since then
being the only supplier of electric augers



didn't make any money, but that is fine with me ....
still could see room for some improvements but time to go for new challenges ...


I see that you have a firm grasp on the principles of manufacturing and international trade ............
Simple old me always thought that the idea was to produce a well designed economically viable commodity well suited to a reasonably broad market. Wrong again apparently.
actiomax
actiomax

NSW

1576 posts

10 Oct 2021 7:24pm
Makita make them
Macroscien
Macroscien

QLD

6808 posts

10 Oct 2021 9:01pm
Select to expand quote
actiomax said..
Makita make them






nope,
but at least looks nice

mine is called GreenOzi
If i order them yellow could be DeWalt
Red Milwaukee?
Black- Black&Decker or course

cauncy
cauncy

WA

8407 posts

10 Oct 2021 8:14pm
Mine is called
Dig mun wang
Had it for 40 years without any issues


beefarmer
beefarmer

WA

328 posts

11 Oct 2021 10:50pm
you have a fire fighter unit marco? or just a standard agri pump

look up water spear.

length of copper pipe, $5. squeeze the end into a point, plumb it to your pump and off you go.

dig holes faster than than a rabbit on meth. rock hard ground? no problem. fence post or star picket to remove? even easier

makes one hell of a muddy mess though :)
Macroscien
Macroscien

QLD

6808 posts

12 Oct 2021 9:17am
Select to expand quote
beefarmer said..
you have a fire fighter unit marco? or just a standard agri pump

look up water spear.

length of copper pipe, $5. squeeze the end into a point, plumb it to your pump and off you go.

dig holes faster than than a rabbit on meth. rock hard ground? no problem. fence post or star picket to remove? even easier

makes one hell of a muddy mess though :)


I did try water blaster digging. In some cases it works. But I show you another invention of mine for earth hole digging. Earth vaccum. I may send in next post to give people more opportunity to critique.
landyacht
landyacht

WA

5921 posts

20 Oct 2021 12:24pm
any sign of a battery version or one to plug into your car battery /anderson plug? 240v no good to me
Macroscien
Macroscien

QLD

6808 posts

20 Oct 2021 8:26pm
Select to expand quote
landyacht said..
any sign of a battery version or one to plug into your car battery /anderson plug? 240v no good to me


for serious digging you need the power.
At 1200W but only 12V it means 100amps.
Your ordinary lead-acid battery is happy to supply 1C.
Lithium battery are much better , but still to provide you 1 kw of power you need quite a bit set, not one of Ryobi drill.
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