>So with a glidless frame then.... its back rail, then front rail... then
>middle eh ?
>
>--
>Richard Brekne
Hi Ric,
The order is correct, but you have work back and forth with
the BR and FR.
Trick to the BR. mark the position of the rail in the action
drawer. Carpenters blue chalk the BR line. Install action, install cheek
blocks but don't tighten. Thump down on the rail for the full length. The
blue chalk will show all the high spots. Sand off the blue chalk on the
rail. Then recheck.
Next do the FR. If you correct the FR, go back and start from square one.
Back and forth, just like tuning a tight unison/octave.
Sanding of FR should only be done for small adjustments. Larger
adjustments need kerfing to relieve the stresses in the lumber. Looking at
the quality of quarter saw will give you a clue to the treatment.
If it has a flat sawn piece of lumber for the rail, (as a rough rule of
thumb, more than 45 degrees from vertical grain) you can bet on having to
sand again when the weather changes unless you kerf the rails.
Hope this helps.
Regards Roger
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