Ultraframe Classiclantern, Fabrication Manual

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43.2°
43.2°
31
TENON DEPTH
TO CENTRE
SPECIFIED LENGTH
Alternate fixings JRKA001/4
JRKA001/4
PVC
CCA___/25
39
OVERALL
TENON DEPTH
30.95
50.95
70.95
25.5
Alternate fixings JRKA001/4
ALUMINIUM
ACT___/25
LVCC001
Three bar ridge end preparation
When a central bar is specified at the ridge end, the bar requires specific preparation to
interact with the hip bars.
1. Cut the transom to the specified length indicated in the cutting list.
2. The bar then requires an arrowhead cut of 43° on each side. This can be seen on the
small parts section of the fabrication document.
JRT027
SPT600L/1
3. Insert the tenon with the plastic spacer in place down the centre of the bar leaving
31mm from the end of the bar to the centre of the tenon fixing hole. Alternativly leave
39mm from the end of the bar to the end of the tenon (shown below).
4. Drill through the bar and tenon using a 3.5mm drill bit at the centres shown below.
5. Fix the tenon in place using 3 x JRKA001/4 fixings, using the spacings indicated below.
Remember to alternate the side of the bar which the fixings are inserted.
GBCB
JRKA004/1
2 SCREWS IN ONE SIDE
1 SCREW IN OPPOSITE SIDE
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