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Craftsman 10" Radial Arm Saw Conversion - Upside Down T

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Re: Table Saw Challenge - Double Bevel

Unread postAuthor: Gippeto » Sat Mar 19, 2011 8:22 am

boyntonstu wrote:No. Read the challenge again.

" Table saws ARE available in right or left tilt...but not both."

A great solution! Buy a pair of table saws.

I would choose to reposition the piece of wood.


If all table saws had the ability to tilt in both directions, it would do the job. Retract the blade, reverse its angle, and raise it.


That is the whole point of my story.

I was cutting on my table saw and I realized that it was impossible for me to continue my project. I finished the job with a jig saw.

My upside down jig saw table was based on my extremely powerful Milwaukee demolition saw. It could cut wood and steel with opposite angle bevels.

Stay on topic Stu...we're talking about your radial arm.

The up and down cutting motion of a jig saw is much safer than a rotating blade table saw.

Band saws and a jig saws make perfect blind cuts.

(Blind cuts can be made on a table saw with some effort.)

A demo saw with the right blade could cut through almost anything.

Instant blade change is really convenient.

I offered my design to some major companies without success.

Why am I not surprised by that?

At the same time I invented a double ended, double edged demolition saw blade that offered 4 cutting edges.

Can you see it?


Four cutting edges will not render the saw blade a "single point tool". It will NOT be able to cut sideways....so I suppose I don't "see it".

Continue your flight of fancy without me. :roll:
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Re: Table Saw Challenge - Double Bevel

Unread postAuthor: boyntonstu » Sat Mar 19, 2011 9:04 am

[/quote]

Four cutting edges will not render the saw blade a "single point tool". It will NOT be able to cut sideways....so I suppose I don't "see it".

Continue your flight of fancy without me. :roll:[/quote]

You are dense.

I never said that it would cut sideways.


I said this:


" At the same time I invented a double ended, double edged demolition saw blade that offered 4 cutting edges. "

Pace blade in saw and cut until blade dulls. cutting teeth set 1.

Flip blade over to opposite end. cutting teeth set 2.

Rotate blade 180*. cutting teeth set 3.

Flip blade over to opposite end. cutting teeth set 4.

There you have it, a jig saw blade that will last 4 times longer than the ones made today.

A demo blade can be 12" long and many teeth are not commonly used.
-------------------
I offered my design to some major companies without success.

Why am I not surprised by that?
-------------------------------------

The inventor of the weed whacker offered to show his invention to many companies. He said that they should go outside and he would demo it for them. Since they believed that it was impossible for a spinning piece of nylon to cut grass they declined. Many companies were offered the opportunity but they were too shortsighted to think outside of their preconceived notions.
I am not surprised that your thinking fits perfectly in that group.
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Unread postAuthor: saefroch » Sat Mar 19, 2011 9:31 am

The weed whacker had use to the common person, which is why it was eventually able to sell. This "invention" is not as potentially useless as your "Water-on-demand," but it is still of little interest to the common person, because we simply do not have any use for it. Few enough people actually have a table saw, fewer yet need to make beveled cuts on a regular basis, and fewer still have any desire at all to make a cut like you had to. The only place you could market your special saw would be to some wood shops.

But even in that case, you'll likely have very little success, because as soon as they hear about it, if they have a desire for such a device, they probably possess the ingenuity to copy your construction if you have the capability to put this together by yourself.

The average person actually feels the need to trim the edges of their lawn and cannot build their own effective weed whacker.

I don't see how this saw blade can have "4 cutting edges" unless it is a band saw blade, where it only travels in one direction when making a cut and is not circular.
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Unread postAuthor: boyntonstu » Sat Mar 19, 2011 9:42 am

I did not make the Upside Down Radial Saw for sale. Only for me.


If you consider $7,000,000,000 in water damage every years acceptable, Water-On-Demand is useless.

If you consider the waste of billions of gallons of potable water acceptable, Water-On-Demand is useless.

"The average person actually feels the need to trim the edges of their lawn and cannot build their own effective weed whacker. "

Bull! The first weed whacker was a sewing machine motor in a pineapple juice can and a broom stick.

"I don't see how this saw blade can have "4 cutting edges" unless it is a band saw blade, where it only travels in one direction when making a cut and is not circular.

[url]"http://cgi.ebay.com/TopMan-Japanese-Flush-Cut-Pull-Saw-/110560457870?pt=LH_DefaultDomain_0&hash=item19bdeab48e[/url]

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Unread postAuthor: mark.f » Sat Mar 19, 2011 10:04 am

boyntonstu wrote:"The average person actually feels the need to trim the edges of their lawn and cannot build their own effective weed whacker. "

Bull! The first weed whacker was a sewing machine motor in a pineapple juice can and a broom stick.


Is the average person going to go through all of that hassle or simply buy an $80 Homelite?
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Unread postAuthor: velocity3x » Sat Mar 19, 2011 10:24 am

boyntonstu wrote:If you consider the waste of billions of gallons of potable water acceptable, Water-On-Demand is useless.


Stu,
1 BILLION gallons = 3, 069.10 acre/ft
or
4.8 miles^2/ft.

You stated "BillionS" of gallons. May I ask where you acquired the "BillionS of Gallons" data?
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Unread postAuthor: boyntonstu » Sat Mar 19, 2011 10:47 am

How Much Water Is Lost?

Small household leaks left unrepaired can lead to big trouble over time.

Leak Source Typical Leakage Gallons/Day Used Gallons/Month Used Units/Month Used
Running toilet 1 gallon/minute 1,440 43,200 58
Leaking faucet 1 drip/second 9 259 .3
Leaking shower head 10 drips/minute 1.4 43 .05
In-ground irrigation 1/32" in diameter (about the thickness of a dime) 210 6,300 8
Overflow tube in toilet tank 1/4" in diameter 7,200-8,640 216,600-259,200 290-347
A garden hose left running or a missing sprinkler head 1/2" in diameter 14,440-17,280 433,200-518,400 579-693

Water is billed in units where 1 unit = 748 gallons of water.
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Re: Table Saw Challenge - Double Bevel

Unread postAuthor: Ragnarok » Sat Mar 19, 2011 12:08 pm

boyntonstu wrote:Turning it over would put the bevel on the wrong edge.

If you want me to "reverse the bevel", then what exactly are you asking me to do other than bevel the opposite edge to the one I was just bevelling?

What I can make out is that you want a piece that looks somewhat like the attached. And for that, I'd cut the first half of the bevel, flip it around the X axis, then bevel the other edge in the other direction.
(Or you could flip it around the Y axis, and cut to the other side of the blade)

If you're looking for some other piece, kindly provide an actual drawing of what you want rather than just expecting us to guess from what is not actually a very good description.

This was a real world problem, not a silly toothpaste issue.

Well, toothpaste aside, you still haven't explained why a jigsaw (which you yourself used!) isn't a valid solution.
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Does that thing kinda look like a big cat to you?
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