Stephen Baker ) writes:
Wayne B says:

Also,
the blade will not like cutting rubber.

Rubber's OK, it's the steel reinforcing that's the real kicker! ;-)

here's an example of where the boatbuilder wants polyester instead of
kevlar - in the tire cord of those tires you're going to slice up.

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Subject

Lay down a styrofoam sheet on the floor, say 1-1/2" thick, then lay plywood
on top.

Piece of cake.

HTH


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Lew

S/A: Challenge, The Bullet Proof Boat, (Under Construction in the Southland)
Visit: http://home.earthlink.net/~lewhodgett for Pictures

Lew says:

Lay down a styrofoam sheet on the floor, say 1-1/2" thick, then lay plywood
on top.

Piece of cake.

HTH



Then chase a ga-zillion little white bubbles all over the neighbourhood ;-)

Closed cell foam is way better, and can be used more than once.

Steve "pragmatist"

"Stephen Baker" writes:

Then chase a ga-zillion little white bubbles all over the neighbourhood
;-)

Closed cell foam is way better, and can be used more than once.

What ever floats your boat.


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Lew

S/A: Challenge, The Bullet Proof Boat, (Under Construction in the Southland)
Visit: http://home.earthlink.net/~lewhodgett for Pictures

On 27 Jul 2004 02:33:09 GMT, ospam (Stephen Baker)
wrote:
Lew says:

Lay down a styrofoam sheet on the floor, say 1-1/2" thick, then lay plywood
on top.

Piece of cake.

HTH



Then chase a ga-zillion little white bubbles all over the neighbourhood ;-)

Closed cell foam is way better, and can be used more than once.

Steve "pragmatist"
================================
Furring strips are a LOT cheaper than closed cell foam.

Wayne.B ) writes:

Furring strips are a LOT cheaper than closed cell foam.

I think that's what's called 1x3 spruce strapping in this area.
When the plywood is cut it can be used for gunwales and frames.
I have two layers of it for the gunwales on the Dogskiff (photos on my
website).

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On 27 Jul 2004 13:27:13 GMT, (William R.
Watt) wrote:
I think that's what's called 1x3 spruce strapping in this area.
When the plywood is cut it can be used for gunwales and frames.
I have two layers of it for the gunwales on the Dogskiff (photos on my
website).

===============================================

Furring strips are rough cut pine and available here in the states as
either 1x2 or 1x3. They are dirt cheap.

I have cut literally thousands of ft of ply building boats and a lot of
it has been curves. It is important to set your blade depth correctly.
I always use saw horses 'cause I hate getting on my knees anymore.
Always support both sides of your cut and you will do much better.
MOFWIW
Pat O'Donald
William R. Watt wrote:
snip.

I would never try to cut a curve with a circular saw.


try it. you'll like it.

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On 25 Jul 2004 05:55:53 -0700, (yihang bmc-unsw)
vaguely proposed a theory
.......and in reply I say!:

remove ns from my header address to reply via email

If this is more than a one-off, I had an epiphany from this group. Use
sheest of styrene foam.

(1) set the saw to _nust_ cut the wood. This buggers the faom in the
end, but many guys get their stuff ree from building sites in the US.

(2) for those of us not up with that level of throwaway, I actually
built two 4*4 frames of 20*40 pine (20 deep 40 wide), backed with 6mm
ply and with 25mm foam inside, so that the faom stands proud. This
provides a firm level surface and lets me cut without bugge...ruining
the foam all the time. There is also a clamping oppo for saw guides
etc.

Tyres are not as predictable or stable. Do more. Clamp well.

i was thinking of placing them on SUV tyres which should provide
enough clearance for the circular saw. would the weight be sufficient
of will i have to clamp it somehow.

i guess ill get some saw horses for the smaller section. but it seems
to me tyres will be more stable and its not as far off the ground, so
the cutoffs are supported as they come off.


thanks

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