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Pump drill, drill press. Anyone know about this awesome tool?

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Forum topic by weedeater64 posted 05-16-2018 03:14 AM 543 views 0 times favorited 5 replies Add to Favorites Watch
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weedeater64

8 posts in 66 days


05-16-2018 03:14 AM

I’ve seen and even once made a pump drill for fire starting. I never used it as a drill. Been watching quite a few woodworking videos lately, a fair share of Japanese and other hand tool vids in particular.

I’ve never seen this, but very much want to make one if I can figure out one how it works. As I said, I get the pump drill part, what I don’t get is how this one is being raised and lowered as a drill press.

Shown at about 01:15 in this video.

https://www.youtube.com/watch?v=9D__A2gK2_o

Can anyone shed some light on this very cool tool?


5 replies so far

View knockknock's profile

knockknock

449 posts in 2228 days


#1 posted 05-16-2018 05:01 AM

He is probably lifting the shaft the same way that he is lifting the whole drill at this point (4:42):

https://youtu.be/9D__A2gK2_o?t=282

He is just grabbing the shaft with his fingers and lifting.

-- 👀 --

View Loren's profile

Loren

10476 posts in 3702 days


#2 posted 05-16-2018 06:03 AM

I think he’s grabbing it between his fingers to
plunge. He probably has calluses from doing it.
An infrequent user might clamp the work and
push on the cylinder but he’s a pro who does it
all day. The cylinder may be a dense hardwood
for weight.

It may be a spoon bit. I had some push drills
and they used them. Try to get some if you want
to fool around with this sort of tool.

View Ron Aylor's profile

Ron Aylor

2649 posts in 702 days


#3 posted 05-16-2018 01:33 PM

If you stop the video at 1:17 you will see that the shaft is loosely held in place via what looks to be metal grommets. This allows the shaft to move vertically … at least to the point of the rope attachment. The shaft itself may also be metal. I would think if was wood there would be no need for the grommets … just some wax in the bored hole.
 

The bit appears to be a normal twist bit.

View PCDub's profile

PCDub

52 posts in 299 days


#4 posted 05-17-2018 01:35 PM



...I ve never seen this, but very much want to make one if I can figure out one how it works.
- weedeater64

If you make one, write it up as a project. I’d love to see how you do it.

View Redoak49's profile

Redoak49

3336 posts in 2043 days


#5 posted 05-17-2018 03:29 PM

There are brunch s of plans, images and even kit if you use Google.

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