(machine whirring)
- In today's video, we will be doing what
some people might call dangerous, or reckless.
So please do not try this at home.
- [Dan] What is the scariest thing that we've
spun up on the water jet?
- I mean there's a lot to choose from,
the saw fidget spinner.
(machine whirring)
- [Dan] I was gonna say the alternator
because the noise that that made was just-
- Yeah the noise but like,
the saw blade like actually exploded, like-
- [Dan] (laughs)
(machine whirring)
- Dan was further back from the saw blade
and I'm there like, behind the piece of scrap wood,
like feeding wood into it,
and it like explodes in my face like,
that's pretty scary.
- So we already know that the water jet
can spin things up to crazy speeds
but what we don't know is how much
force is really behind that.
It's only a gallon a minute of water
coming out of that nozzle,
and so it can spin those lightweight things
up pretty quick,
and those are balanced they are made to spin
they're on ball bearings,
but what if we try and power like
a chainsaw chain with it,
would it have enough torque and eumph to do it.
- That's what we're hoping to find out today.
And I say yeah.
- [Dan] We're going to have a bunch of gears in lines,
so the water jet will be shooting down on this gear,
rotating all of these,
and then the chainsaw bar will be attached
right there with the sprocket
which can be seen in the yellow,
that is the chain sprocket,
which will be on the backside,
that's why they're overlapping.
(machine whirring)
(upbeat music)
- [Dan] What have we created?
First things first, I know the bar
is upside down, so don't leave a comment
about that, or do, I don't care.
And here we've got a bunch of gears,
so we can have the water jet head
nice and far away from the death that's over there.
Water jet will spin this gear,
which will then spin all the gears,
which then goes through that drive shaft
to a chainsaw sprocket that we made, on the bar.
- [Mitchell] There are some spots that
are a little stiff.
- [Dan] We're hoping the oil will fix that.
- Speaking of things that are stiff,
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- [Dan] There's only one way to know if this works.
(machine whirring)
- [Dan] The water jet just doesn't have enough power
to push that one down and get us started,
but if it had a kickstart, maybe it would.
- [Mitchell] Maybe something like that.
If you get it enough,
you know spin it several times
maybe that'll help give it enough momentum
to keep it going.
- [Dan] Keep itself going.
- [Mitchell] Also the board's here to reduce
the garnet's splash back
that was clogging up the gears.
- [Dan] If this doesn't work, then I think we just
gotta remove some of these gears
to get less friction,
and we have to bring the water jet head dangerously
close to that monstrosity.
- [Mitchell] To flinging death.
- [Dan] (laughs)
(machine whirring)
(laughing)
- [Dan] On a scale of one to ten,
how affrighted were you.
- I had this shield on, so zero affrighted.
- [Dan] (laughs)
What happened was as soon as that board touched it,
we had two gears pop off of their bearings.
Which, that kinda sucks.
I don't know if there's gonna be a way
to avoid that though.
What damage did it do to the board?
- [Mitchell] Oh, huge damage.
See that nick?
- [Dan] (laughs)
As soon as the first tooth touched the board,
that's when it just stalled.
So we've taken all the gears off and we're
just gonna come in on the front of this one right here.
Which is connected to the solid drive shaft that goes
all the way through.
And we're thinking that maybe we could
cut a board with that.
(machine whirring)
- [Dan] We actually cut a two by four in half
using a water jet powered chainsaw.
- No need to cut just a two by four
and show us how quick it is.
- [Dan] (laughs)
- [Mitchell] How much more efficient than this.
With just water power.
- [Dan] I'm just surprised that that actually worked.
(machine whirring)
- [Dan] Show us what you did there.
- [Mitchell] Here I've drawn a perfect likeness
of you Dan, on the water jet, there's your smile.
Your nose, your eyes, and your hair.
- [Dan] Or a lack thereof.
- [Mitchell] Um, this was before.
It's spinning really free right now though.
- [Dan] It just needed a break-in period.
Isn't that a thing on chainsaws?
- [Mitchell] It is now.
- [Dan] Well, so, that answers the question
that nobody was asking,
can a water jet power a chainsaw?
- This is a new series called water jet powering things,
what should we power next?
(upbeat music)