Re: Frame Construction Question
I would not be in a hurry to cut off the frames. I'm not familiar with
the Dobler 16 but it might be a good idea to establish the ends of the
frames at one time with a batten fore and aft producing a fair curve.
It is very easy to make the legs of the frames too short when
prefabricating them. The 74 degrees does not sound excessive. Is the
boat decked? My Bobcat with a flat deck has a bevel of 11 degrees (79
degrees) depending on where you are reading from. I would expect some
small variation in the bevel. I did not with my Bobcat and of course
the bevel changed a degree or so towards the bow. I think your
assumption of the direction of cut is correct. The inside corner of
the frame leg would be higher than the outside corner of the frame
leg. But doesn't your set of plans illustrate this? Are you lofting
this boat? In which case the lofting should answer your questions.
Bob Chamberland
the Dobler 16 but it might be a good idea to establish the ends of the
frames at one time with a batten fore and aft producing a fair curve.
It is very easy to make the legs of the frames too short when
prefabricating them. The 74 degrees does not sound excessive. Is the
boat decked? My Bobcat with a flat deck has a bevel of 11 degrees (79
degrees) depending on where you are reading from. I would expect some
small variation in the bevel. I did not with my Bobcat and of course
the bevel changed a degree or so towards the bow. I think your
assumption of the direction of cut is correct. The inside corner of
the frame leg would be higher than the outside corner of the frame
leg. But doesn't your set of plans illustrate this? Are you lofting
this boat? In which case the lofting should answer your questions.
Bob Chamberland
--- In bolger@y..., "pseudodion42" <pseudodion3@a...> wrote:
> I'm building the frames for the Dobler 16 and have a question that
> you folks could probably answer:
>
> When cutting the angle into the top of the frames where the caprail
> rests, will that angle be outward (\)where the extreme height of
the
> frame is on the outboard edge, or inward (/). The plans call for a
> 74deg angle but it is unclear to me which direction it is to be
cut.
> I would assume that it would be inward (/) as the caprail would
shed
> water to outboard, but 74deg seems like an awful steep angle. Also,
> do you think this angle would be constant on all frames?
>
> I appreciate your help.
>
> Dennis
I'm building the frames for the Dobler 16 and have a question that
you folks could probably answer:
When cutting the angle into the top of the frames where the caprail
rests, will that angle be outward (\)where the extreme height of the
frame is on the outboard edge, or inward (/). The plans call for a
74deg angle but it is unclear to me which direction it is to be cut.
I would assume that it would be inward (/) as the caprail would shed
water to outboard, but 74deg seems like an awful steep angle. Also,
do you think this angle would be constant on all frames?
I appreciate your help.
Dennis
you folks could probably answer:
When cutting the angle into the top of the frames where the caprail
rests, will that angle be outward (\)where the extreme height of the
frame is on the outboard edge, or inward (/). The plans call for a
74deg angle but it is unclear to me which direction it is to be cut.
I would assume that it would be inward (/) as the caprail would shed
water to outboard, but 74deg seems like an awful steep angle. Also,
do you think this angle would be constant on all frames?
I appreciate your help.
Dennis