
did you know there’s a way to start a fire by squishing air in this project
fire by squishing air in this project
fire by squishing air in this project we’re building a tool that does exactly
we’re building a tool that does exactly
we’re building a tool that does exactly that and with a little bit of
that and with a little bit of
that and with a little bit of resourcefulness we can make this for
resourcefulness we can make this for
resourcefulness we can make this for under a buck
under a buck
under a buck [Music]
the materials for this project cost me
the materials for this project cost me less than a dollar I got these pieces of
less than a dollar I got these pieces of
less than a dollar I got these pieces of scrap acrylic for free and besides those
scrap acrylic for free and besides those
scrap acrylic for free and besides those all I’m going to need are a couple of
all I’m going to need are a couple of
all I’m going to need are a couple of rubber o-rings a one and a half inch
rubber o-rings a one and a half inch
rubber o-rings a one and a half inch bolt and this handle I got off a
bolt and this handle I got off a
bolt and this handle I got off a lawnmower this piece of clear acrylic
lawnmower this piece of clear acrylic
lawnmower this piece of clear acrylic rod fits perfectly into this tube so I’m
rod fits perfectly into this tube so I’m
rod fits perfectly into this tube so I’m ready to form the piston I’ll use a ten
ready to form the piston I’ll use a ten
ready to form the piston I’ll use a ten inch piece of rod and secure it into the
inch piece of rod and secure it into the
inch piece of rod and secure it into the Chuck of my drill press a hacksaw is my
Chuck of my drill press a hacksaw is my
Chuck of my drill press a hacksaw is my tool of choice for cutting a groove in
tool of choice for cutting a groove in
tool of choice for cutting a groove in the plastic rod and with a bit of
the plastic rod and with a bit of
the plastic rod and with a bit of guesswork I’ve made it just big enough
guesswork I’ve made it just big enough
guesswork I’ve made it just big enough to fit this o-ring securely leaving the
to fit this o-ring securely leaving the
to fit this o-ring securely leaving the rubber edges slightly wider than the rod
rubber edges slightly wider than the rod
rubber edges slightly wider than the rod next I’ll place the rod in a bench vise
next I’ll place the rod in a bench vise
next I’ll place the rod in a bench vise protected with a terry cloth and when
protected with a terry cloth and when
protected with a terry cloth and when it’s secured use a 3/16 drill bit to cut
it’s secured use a 3/16 drill bit to cut
it’s secured use a 3/16 drill bit to cut a hole right through the side it’s a
a hole right through the side it’s a
a hole right through the side it’s a clean cut and the spacing is about
clean cut and the spacing is about
clean cut and the spacing is about quarter inch from the o-ring so I’ll
quarter inch from the o-ring so I’ll
quarter inch from the o-ring so I’ll proceed to my chop saw and make a cut
proceed to my chop saw and make a cut
proceed to my chop saw and make a cut just barely touching the top of the hole
just barely touching the top of the hole
just barely touching the top of the hole this has just created a claw that will
this has just created a claw that will
this has just created a claw that will hold my tender it’s time to cut these
hold my tender it’s time to cut these
hold my tender it’s time to cut these pieces to length so I’ll mark them at 6
pieces to length so I’ll mark them at 6
pieces to length so I’ll mark them at 6 inches and cut them together while I’m
inches and cut them together while I’m
inches and cut them together while I’m here I may as well cut an inch off the
here I may as well cut an inch off the
here I may as well cut an inch off the tubing and a small square piece that
tubing and a small square piece that
tubing and a small square piece that I’ll use in a minute okay I’ve got all
I’ll use in a minute okay I’ve got all
I’ll use in a minute okay I’ve got all my pieces cut to length so now I’ll
my pieces cut to length so now I’ll
my pieces cut to length so now I’ll remove the protective paper from this
remove the protective paper from this
remove the protective paper from this little square and carefully cement it to
little square and carefully cement it to
little square and carefully cement it to one end of the tubing this will need to
one end of the tubing this will need to
one end of the tubing this will need to be an airtight seal and I’m hoping this
be an airtight seal and I’m hoping this
be an airtight seal and I’m hoping this weight on top will help with that
weight on top will help with that
weight on top will help with that setting I can get back to making the
setting I can get back to making the
setting I can get back to making the piston this time I’m using my drill
piston this time I’m using my drill
piston this time I’m using my drill press and a quarter inch bit to drill a
press and a quarter inch bit to drill a
press and a quarter inch bit to drill a fold down the inside of the rod my goal
fold down the inside of the rod my goal
fold down the inside of the rod my goal is to get the hole as centered as I can
is to get the hole as centered as I can
is to get the hole as centered as I can and when it’s roughly one and a quarter
and when it’s roughly one and a quarter
and when it’s roughly one and a quarter inches deep it can be transferred back
inches deep it can be transferred back
inches deep it can be transferred back to my bench vise for tapping this is a
to my bench vise for tapping this is a
to my bench vise for tapping this is a 5/16 coarse thread tap and I’m using it
5/16 coarse thread tap and I’m using it
5/16 coarse thread tap and I’m using it because it matches the threads on this
because it matches the threads on this
because it matches the threads on this bolt to make this handle I carefully use
bolt to make this handle I carefully use
bolt to make this handle I carefully use my vise and a 1/2 inch drill bit to
my vise and a 1/2 inch drill bit to
my vise and a 1/2 inch drill bit to hollow up the center which made a large
hollow up the center which made a large
hollow up the center which made a large cavity that I’ll be using later I
cavity that I’ll be using later I
cavity that I’ll be using later I threaded this hex bolt all the way in
threaded this hex bolt all the way in
threaded this hex bolt all the way in and then secured it tightly using a pair
and then secured it tightly using a pair
and then secured it tightly using a pair of pliers you can see the handle and the
of pliers you can see the handle and the
of pliers you can see the handle and the rod thread perfectly together and will
rod thread perfectly together and will
rod thread perfectly together and will just need to be tightened by hand a
just need to be tightened by hand a
just need to be tightened by hand a little acrylic cement is applied to the
little acrylic cement is applied to the
little acrylic cement is applied to the rod near the handle then the one-inch
rod near the handle then the one-inch
rod near the handle then the one-inch piece of tubing is added and cemented in
piece of tubing is added and cemented in
piece of tubing is added and cemented in place by dripping glue into the gaps
place by dripping glue into the gaps
place by dripping glue into the gaps this piece is to help reinforce the area
this piece is to help reinforce the area
this piece is to help reinforce the area where the handle meets the rod that’s
where the handle meets the rod that’s
where the handle meets the rod that’s setting and it looks like the tubing is
setting and it looks like the tubing is
setting and it looks like the tubing is cured enough to knock down the base on
cured enough to knock down the base on
cured enough to knock down the base on my belt sander
my belt sander
my belt sander just a minute of sanding and the base is
just a minute of sanding and the base is
just a minute of sanding and the base is rounded and looking much
rounded and looking much
rounded and looking much better to help it cure airtight I’ll
better to help it cure airtight I’ll
better to help it cure airtight I’ll clap it together and leave it overnight
clap it together and leave it overnight
clap it together and leave it overnight to finish off the piston all I need to
to finish off the piston all I need to
to finish off the piston all I need to do is slide the other o-ring into place
do is slide the other o-ring into place
do is slide the other o-ring into place and this will help cushion the acrylic
and this will help cushion the acrylic
and this will help cushion the acrylic pieces from impact with each other as
pieces from impact with each other as
pieces from impact with each other as well as create a slight gap between the
well as create a slight gap between the
well as create a slight gap between the tinder claw and the chamber base a
tinder claw and the chamber base a
tinder claw and the chamber base a little bit of lubrication is added to
little bit of lubrication is added to
little bit of lubrication is added to the o-ring and this $1 fire piston is
the o-ring and this $1 fire piston is
the o-ring and this $1 fire piston is looking awesome
looking awesome
looking awesome I even found a little cap that fits
I even found a little cap that fits
I even found a little cap that fits perfectly into the handle I had enough
perfectly into the handle I had enough
perfectly into the handle I had enough material to make another piston I’m
material to make another piston I’m
material to make another piston I’m gonna test the small one first using
gonna test the small one first using
gonna test the small one first using some char cloth I made in a previous
some char cloth I made in a previous
some char cloth I made in a previous video I don’t need very much and this
video I don’t need very much and this
video I don’t need very much and this little piece should work fine when
little piece should work fine when
little piece should work fine when that’s rolled up and placed in the grips
that’s rolled up and placed in the grips
that’s rolled up and placed in the grips of the tinder claw
of the tinder claw
of the tinder claw I’ll gently insert the rod into the
I’ll gently insert the rod into the
I’ll gently insert the rod into the chamber until the o-ring presses inside
chamber until the o-ring presses inside
chamber until the o-ring presses inside then with one swift downward stroke I’ve
then with one swift downward stroke I’ve
then with one swift downward stroke I’ve got ignition and my tinder is burning
got ignition and my tinder is burning
got ignition and my tinder is burning I’ll try that again and this attempt was
I’ll try that again and this attempt was
I’ll try that again and this attempt was just as successful by compressing the
just as successful by compressing the
just as successful by compressing the air quickly enough the temperature
air quickly enough the temperature
air quickly enough the temperature shoots up hundreds of degrees Celsius in
shoots up hundreds of degrees Celsius in
shoots up hundreds of degrees Celsius in a fraction of a second enough to ignite
a fraction of a second enough to ignite
a fraction of a second enough to ignite char cloth and other types of tinder
char cloth and other types of tinder
char cloth and other types of tinder into burning embers the cavity in the
into burning embers the cavity in the
into burning embers the cavity in the piston handle is perfect for storing
piston handle is perfect for storing
piston handle is perfect for storing some char cloth and the cap will hold it
some char cloth and the cap will hold it
some char cloth and the cap will hold it in place to see if this will work out in
in place to see if this will work out in
in place to see if this will work out in the woods I’ve readied a tinder bundle
the woods I’ve readied a tinder bundle
the woods I’ve readied a tinder bundle made from dry grass and when my fuel is
made from dry grass and when my fuel is
made from dry grass and when my fuel is loaded I’ll give the piston a whack
loaded I’ll give the piston a whack
loaded I’ll give the piston a whack there it is
there it is
there it is I’ve instantly got a glowing Ember and
I’ve instantly got a glowing Ember and
I’ve instantly got a glowing Ember and using a piece of grass to transfer it
using a piece of grass to transfer it
using a piece of grass to transfer it into the nest works pretty well the heat
into the nest works pretty well the heat
into the nest works pretty well the heat is building and this little bundle
is building and this little bundle
is building and this little bundle almost explosively bursts into flames
almost explosively bursts into flames
almost explosively bursts into flames that happened pretty fast and before I
that happened pretty fast and before I
that happened pretty fast and before I burned myself I better get this over to
burned myself I better get this over to
burned myself I better get this over to the fire pit this bundle is a little
the fire pit this bundle is a little
the fire pit this bundle is a little damp so I’m adding a piece of char cloth
damp so I’m adding a piece of char cloth
damp so I’m adding a piece of char cloth inside the nest to help it develop a
inside the nest to help it develop a
inside the nest to help it develop a flame and there it is and it’s taking
flame and there it is and it’s taking
flame and there it is and it’s taking off fast
off fast
off fast yikes I’ve been getting ignition on
yikes I’ve been getting ignition on
yikes I’ve been getting ignition on nearly every stroke and this is proving
nearly every stroke and this is proving
nearly every stroke and this is proving to be an easy and fairly reliable way to
to be an easy and fairly reliable way to
to be an easy and fairly reliable way to start a fire without matches some people
start a fire without matches some people
start a fire without matches some people say this little tool was commonly used
say this little tool was commonly used
say this little tool was commonly used in the 1800s and was the inspiration
in the 1800s and was the inspiration
in the 1800s and was the inspiration behind the diesel engine with this tube
behind the diesel engine with this tube
behind the diesel engine with this tube being completely see-through it’s
being completely see-through it’s
being completely see-through it’s exciting to witness the actual ignition
exciting to witness the actual ignition
exciting to witness the actual ignition point of my fuels and for under $1 it
point of my fuels and for under $1 it
point of my fuels and for under $1 it was definitely a project worth the
was definitely a project worth the
was definitely a project worth the investment that’s another item for my
investment that’s another item for my
investment that’s another item for my emergency kit and a great way to see
emergency kit and a great way to see
emergency kit and a great way to see science in action if you liked this
science in action if you liked this
science in action if you liked this project perhaps you’ll like some of my
project perhaps you’ll like some of my
project perhaps you’ll like some of my others check them out at the king of
others check them out at the king of
others check them out at the king of random calm
”
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