Make a Solar Cooking Frame for Cheap (Fresnel Lens Frame)

I’m getting a couple of wood

I’m getting a couple of wood two-by-fours ready because my 4-foot

two-by-fours ready because my 4-foot

two-by-fours ready because my 4-foot magnifying lens needs a sturdy frame i

magnifying lens needs a sturdy frame i

magnifying lens needs a sturdy frame i hack this out of an old TV in a previous

hack this out of an old TV in a previous

hack this out of an old TV in a previous video but it’s too flimsy to use on its

video but it’s too flimsy to use on its

video but it’s too flimsy to use on its own we need something that’s super cheap

own we need something that’s super cheap

own we need something that’s super cheap to make but sturdy and easy to use and

to make but sturdy and easy to use and

to make but sturdy and easy to use and I’ve got an idea that just might work

measuring the size of the lens seems

measuring the size of the lens seems like a good place to start so let’s do

like a good place to start so let’s do

like a good place to start so let’s do that and then mark the wood for custom

that and then mark the wood for custom

that and then mark the wood for custom cutting it’s best to use as little wood

cutting it’s best to use as little wood

cutting it’s best to use as little wood as possible so I’m going to use this

as possible so I’m going to use this

as possible so I’m going to use this table saw to rip these studs into this

table saw to rip these studs into this

table saw to rip these studs into this shouldn’t compromise the integrity of

shouldn’t compromise the integrity of

shouldn’t compromise the integrity of the frame at all and it will cut the

the frame at all and it will cut the

the frame at all and it will cut the weight in half these two by fours are

weight in half these two by fours are

weight in half these two by fours are now two by twos and will need to cut a

now two by twos and will need to cut a

now two by twos and will need to cut a group right down the middle once I’ve

group right down the middle once I’ve

group right down the middle once I’ve got the centre lined up I’ll lower the

got the centre lined up I’ll lower the

got the centre lined up I’ll lower the blade down to about three-quarters of an

blade down to about three-quarters of an

blade down to about three-quarters of an inch

inch

inch and get the saw spinning as the beam

and get the saw spinning as the beam

and get the saw spinning as the beam glides over the blade I’m happy to see

glides over the blade I’m happy to see

glides over the blade I’m happy to see that it cut the clean 3/16 inch groove

that it cut the clean 3/16 inch groove

that it cut the clean 3/16 inch groove this is the groove that our lens will

this is the groove that our lens will

this is the groove that our lens will fit into and sliding the pieces together

fit into and sliding the pieces together

fit into and sliding the pieces together into place proves that the cuts were

into place proves that the cuts were

into place proves that the cuts were good the edges match up and the frame

good the edges match up and the frame

good the edges match up and the frame looks functional but before we secure it

looks functional but before we secure it

looks functional but before we secure it we’ll need to drill some holes right in

we’ll need to drill some holes right in

we’ll need to drill some holes right in the center to accommodate this three

the center to accommodate this three

the center to accommodate this three inch bolt I’ve added a rubber washer to

inch bolt I’ve added a rubber washer to

inch bolt I’ve added a rubber washer to the bolt and pushed it through the hole

the bolt and pushed it through the hole

the bolt and pushed it through the hole then when this piece goes back in place

then when this piece goes back in place

then when this piece goes back in place we can still access the threads whoops I

we can still access the threads whoops I

we can still access the threads whoops I almost forgot I wanted to add a more

almost forgot I wanted to add a more

almost forgot I wanted to add a more finished look to this frame so I’ll add

finished look to this frame so I’ll add

finished look to this frame so I’ll add a half inch a per bit to my router and

a half inch a per bit to my router and

a half inch a per bit to my router and trim the outer edges

trim the outer edges

trim the outer edges I built this router right into my

I built this router right into my

I built this router right into my workbench so I have a lot of room for

workbench so I have a lot of room for

workbench so I have a lot of room for bigger projects look for how to build

bigger projects look for how to build

bigger projects look for how to build this router table in a different project

this router table in a different project

this router table in a different project these simple cuts are quickly giving the

these simple cuts are quickly giving the

these simple cuts are quickly giving the frame a more professional look okay

frame a more professional look okay

frame a more professional look okay those are done so now I can retract my

those are done so now I can retract my

those are done so now I can retract my router bit and lay these support blocks

router bit and lay these support blocks

router bit and lay these support blocks down the lens goes over top and these

down the lens goes over top and these

down the lens goes over top and these blocks are helping prevent the lens from

blocks are helping prevent the lens from

blocks are helping prevent the lens from warping when we’ve got one of the

warping when we’ve got one of the

warping when we’ve got one of the corners lined up we can drill a pilot

corners lined up we can drill a pilot

corners lined up we can drill a pilot hole and add a three-inch wood screw

hole and add a three-inch wood screw

hole and add a three-inch wood screw that’s holding well so let’s repeat that

that’s holding well so let’s repeat that

that’s holding well so let’s repeat that on the other three corners drilling

on the other three corners drilling

on the other three corners drilling these holes first helps prevent the wood

these holes first helps prevent the wood

these holes first helps prevent the wood from splitting when the screws go in the

from splitting when the screws go in the

from splitting when the screws go in the scorcher lens is framed and we can put

scorcher lens is framed and we can put

scorcher lens is framed and we can put that off to the side and get to work on

that off to the side and get to work on

that off to the side and get to work on making a collapsible a-frame this time

making a collapsible a-frame this time

making a collapsible a-frame this time we’ll need to cut to 5 foot lengths of

we’ll need to cut to 5 foot lengths of

we’ll need to cut to 5 foot lengths of 2×4 and rip them into two by twos the

2×4 and rip them into two by twos the

2×4 and rip them into two by twos the same as the others

same as the others

same as the others I want to make a hinged frame but before

I want to make a hinged frame but before

I want to make a hinged frame but before we do let’s router these edges as well

we do let’s router these edges as well

we do let’s router these edges as well and save some of the sawdust for a

and save some of the sawdust for a

and save some of the sawdust for a future charcoal making project all right

future charcoal making project all right

future charcoal making project all right my table is clean again and I’m going to

my table is clean again and I’m going to

my table is clean again and I’m going to try an idea for a modified hinge with

try an idea for a modified hinge with

try an idea for a modified hinge with these eye screws these screws were six

these eye screws these screws were six

these eye screws these screws were six for a buck and will only need four holes

for a buck and will only need four holes

for a buck and will only need four holes are drilled in the center of the

are drilled in the center of the

are drilled in the center of the chamfered edge and then these screws are

chamfered edge and then these screws are

chamfered edge and then these screws are tightened to where they line up nicely

tightened to where they line up nicely

tightened to where they line up nicely with each other they stay together

with each other they stay together

with each other they stay together closed and fully open so I’m hopeful

closed and fully open so I’m hopeful

closed and fully open so I’m hopeful this is going to work it’s time to join

this is going to work it’s time to join

this is going to work it’s time to join the a frame with the scorcher lens a

the a frame with the scorcher lens a

the a frame with the scorcher lens a washer and nut go on the bolt and now

washer and nut go on the bolt and now

washer and nut go on the bolt and now I’m cutting this barbed sprinkler line

I’m cutting this barbed sprinkler line

I’m cutting this barbed sprinkler line coupling to act as a spacer the barbed

coupling to act as a spacer the barbed

coupling to act as a spacer the barbed is on with a washer on either end and

is on with a washer on either end and

is on with a washer on either end and the eye screws are added next followed

the eye screws are added next followed

the eye screws are added next followed by a washer barbed washer and secure it

by a washer barbed washer and secure it

by a washer barbed washer and secure it in place with a wing nut everything is

in place with a wing nut everything is

in place with a wing nut everything is duplicated on the other side and these

duplicated on the other side and these

duplicated on the other side and these frame legs pivot just the way I was

frame legs pivot just the way I was

frame legs pivot just the way I was hoping next we’ll need to measure the

hoping next we’ll need to measure the

hoping next we’ll need to measure the distance between the legs and cut four

distance between the legs and cut four

distance between the legs and cut four more pieces of wood to act as support

more pieces of wood to act as support

more pieces of wood to act as support braces when those are roughed in place

braces when those are roughed in place

braces when those are roughed in place let’s measure about 10 inches from the

let’s measure about 10 inches from the

let’s measure about 10 inches from the scorcher frame and make some marks when

scorcher frame and make some marks when

scorcher frame and make some marks when we’ve drilled the holes and added the

we’ve drilled the holes and added the

we’ve drilled the holes and added the screws the frame is pretty much done the

screws the frame is pretty much done the

screws the frame is pretty much done the scorcher lens rotates a full 360 degrees

scorcher lens rotates a full 360 degrees

scorcher lens rotates a full 360 degrees and seems relatively sturdy one more

and seems relatively sturdy one more

and seems relatively sturdy one more thing I want to try is adding an

thing I want to try is adding an

thing I want to try is adding an adjustable tensioner so I’m cutting a

adjustable tensioner so I’m cutting a

adjustable tensioner so I’m cutting a scrap piece of 8-inch cardboard into a

scrap piece of 8-inch cardboard into a

scrap piece of 8-inch cardboard into a strip about two inches wide and 18

strip about two inches wide and 18

strip about two inches wide and 18 inches long then I’ll adjust the saw to

inches long then I’ll adjust the saw to

inches long then I’ll adjust the saw to cut a groove in the center stopping

cut a groove in the center stopping

cut a groove in the center stopping about one and a half inches from the

about one and a half inches from the

about one and a half inches from the ends a hole is drilled in the frame ten

ends a hole is drilled in the frame ten

ends a hole is drilled in the frame ten inches from the top and the band is

inches from the top and the band is

inches from the top and the band is connected to the frame with a three inch

connected to the frame with a three inch

connected to the frame with a three inch bolt and some wide metal washers a wing

bolt and some wide metal washers a wing

bolt and some wide metal washers a wing nut will hold that together loosely then

nut will hold that together loosely then

nut will hold that together loosely then this other end of the strap connects to

this other end of the strap connects to

this other end of the strap connects to the side of the pivoting frame about

the side of the pivoting frame about

the side of the pivoting frame about five inches from the fulcrum loop steps

five inches from the fulcrum loop steps

five inches from the fulcrum loop steps a little too tight so I’ll back it off a

a little too tight so I’ll back it off a

a little too tight so I’ll back it off a touch and give it a test

touch and give it a test

touch and give it a test I can still rotate the lens nearly 360

I can still rotate the lens nearly 360

I can still rotate the lens nearly 360 degrees but now I have the benefit of

degrees but now I have the benefit of

degrees but now I have the benefit of being able to position and

being able to position and

being able to position and securely at any angle I want the frame

securely at any angle I want the frame

securely at any angle I want the frame looks great and totally exceeds my

looks great and totally exceeds my

looks great and totally exceeds my expectations for functionality and

expectations for functionality and

expectations for functionality and practical use the best part is we made

practical use the best part is we made

practical use the best part is we made the whole thing custom for about eight

the whole thing custom for about eight

the whole thing custom for about eight dollars that’s it for now if you like

dollars that’s it for now if you like

dollars that’s it for now if you like this project perhaps you’ll like some of

this project perhaps you’ll like some of

this project perhaps you’ll like some of my others check them out at the king of

my others check them out at the king of

my others check them out at the king of random comm

random comm

random comm [Music]