[bolger] Windsprint Update and Square Scarf
Hi:
Well, progress is occuring; the chines and gunwales were ripped one evening
this week before we lost daylight savings time. chines went on easily. The
only "challenge" was predrilling the top layer of veneer in the pine plywood
so I could start the bronze nails. This will now be standard procedure as
it really helped and kept the nails straighter. Pine is really hard (or at
least the top veneer is)
Now, to the square scarf. If you remember my previous mention of this
"idea" its basically a lap joint made by routing 1/2 the depth of the
plywood from each panel and joining with epoxy. I built the 4x16 foot panel
last saturday. Storing this was a challenge as its really heavy and
unwieldy. I moved it around by lifing right in the middle when it was on
edge. I have to say I was very concerned about braking the joint as a
tremendous load is on the perpindicular part of the joint. I have no doubt
that I could have snapped it if I lifted one end on the flat and started
pushing. Anyway, I got it in place on the bottom, nailed and epoxyed in
place. The bottom, when coated with a layer of glass, should be plenty
strong. To make sure my joint holds, I plan to put a wide piece of glass on
the inside joint line to make sure.
So the "experiment" works ok (I think) in this application I used it in, but
I'don't think its completely suitable unless each side is glassed. Also, it
took at least as long in total as building the bottom with the two
buttstraps. But I do have a bottom without a bump on the interior.
After doing all this my dad indicated that a "step" lap joint would be as
stong as a true scarf and you'd still get the precision of the router, not
be dependent on the skill of an operator with a power plane (as in a
traditional scarf).
Robert & Amy Lundy
rnlundy@...<mailto:rnlundy@...>
rlundy@...<mailto:rlundy@...>
727-526-9329
727-528-8104 FAX
Well, progress is occuring; the chines and gunwales were ripped one evening
this week before we lost daylight savings time. chines went on easily. The
only "challenge" was predrilling the top layer of veneer in the pine plywood
so I could start the bronze nails. This will now be standard procedure as
it really helped and kept the nails straighter. Pine is really hard (or at
least the top veneer is)
Now, to the square scarf. If you remember my previous mention of this
"idea" its basically a lap joint made by routing 1/2 the depth of the
plywood from each panel and joining with epoxy. I built the 4x16 foot panel
last saturday. Storing this was a challenge as its really heavy and
unwieldy. I moved it around by lifing right in the middle when it was on
edge. I have to say I was very concerned about braking the joint as a
tremendous load is on the perpindicular part of the joint. I have no doubt
that I could have snapped it if I lifted one end on the flat and started
pushing. Anyway, I got it in place on the bottom, nailed and epoxyed in
place. The bottom, when coated with a layer of glass, should be plenty
strong. To make sure my joint holds, I plan to put a wide piece of glass on
the inside joint line to make sure.
So the "experiment" works ok (I think) in this application I used it in, but
I'don't think its completely suitable unless each side is glassed. Also, it
took at least as long in total as building the bottom with the two
buttstraps. But I do have a bottom without a bump on the interior.
After doing all this my dad indicated that a "step" lap joint would be as
stong as a true scarf and you'd still get the precision of the router, not
be dependent on the skill of an operator with a power plane (as in a
traditional scarf).
Robert & Amy Lundy
rnlundy@...<mailto:rnlundy@...>
rlundy@...<mailto:rlundy@...>
727-526-9329
727-528-8104 FAX