The Sailrite Fabric Calculator

Slide-on Wire Hung Canopies


Unit of Measurement inches mm
Structure Width (fixed coverage) (?)
Intended width of the finished canopy. The canopy is fixed in its dimension across this distance -- it will not fold in this direction. Measure from what will be the fabric outside edge on the nearest panel to what will be the fabric outside edge on the farthest panel.
Decimals!
Structure Length (adjustable coverage)(?)
Intended length of the finished canopy. The canopy panels will fold to one side on this dimension. Measure from wire suspension hardware on one end of each panel to the opposite hardware set.
Decimals!
Fabric Width (?)
Useable width of fabric (often 46, 54, or 60 inches -- 1168, 1372, and 1524 mm)
Numbers!
Canopy Panel Dimensions: There will be {{data.numOfCanopies}} canopy panels.
Each canopy panel will be {{data.widthOfCanopies |number:2}} {{data.UofM}} wide.
Each panel will have {{data.numOfSpans |number:0}} spans.
Each span will be {{data.eachSpanFold |number:2}} {{data.UofM}} (from sleeve fold to sleeve fold).
Create pipe sleeves by sewing {{data.sleeveAllowance/2 |number:2}} {{data.UofM}} from folds.
Add {{data.endSleeveAllowance}} {{data.UofM}} sleeve allowance at each end.
Panel length with sleeve allowances = {{data.panelLength | number:2}} {{data.UofM}}.
Cut fabric length (includes an extra 6 inch safety factor) {{data.safeLength |number:2}} {{data.UofM}}.

List of Materials: Total fabric yardage to order from Sailrite = {{data.totalPanelLength |number:2}} yards.
Seamstick for canvas (Item 129) {{data.seamStick}} roll.
#2 Spur Grommet (Item 26316 -- not required for Phifertex fabric) {{data.numOfSpans * data.numOfCanopies}}.
1 inch webbing (Item 531600 -- not required for pulley rope systems) {{data.numOfCanopies * 2}} feet.
Fixed Eye Snap Hooks (Item 105434) {{(data.numOfSpans + 1) * 2 * (data.numOfCanopies)}}.
Strap Eye (Item 120461) {{(((data.numOfSpans + 1) * 2) + 1) * data.numOfCanopies}}.
Wire Rope (7x7) 1/8 inch (Item 121037, 121038, or 121039) {{data.wireRope}} feet.
Nicopress Sleeves (or wire rope clamps) (Item 23103) {{data.numOfCanopies * 2}} each.
Turnbuckles (Item 120267 or 121163) {{data.numOfCanopies}} each.
Eye bolt with nut and washers (Item 120270) {{data.numOfCanopies * 4}} each.
Thread from Sailrite -- ( Polyester or PTFE).
1/2 inch EMT Pipe cut to {{data.widthOfCanopies}} {{data.UofM}} (from local hardware store) {{(data.numOfSpans + 1) * data.numOfCanopies}} pipe lengths.
#8 x 1/2 inch hex head self drilling screws (from local hardware store) {{((data.numOfSpans + 3) * 4) * data.numOfCanopies}} each.

List of Materials for Optional Pulley Open/Close System: Harken 082 Bullet Block Single (Item 123082) {{data.numOfCanopies}} each.
Harken 226 Micro Block Double (Item 120387) {{data.numOfCanopies + data.panelSets}} each.
Harken 092 Cheek Bullet Block (Item 123092) {{data.panelSets}} each.
Harken 471 Micro Cabo-Cam Cleat (Item 423100) {{data.panelSets}} each.
Strap Eye (Item 120461) {{(data.numOfCanopies * 2) + data.panelSets}} each.
#8 x 3/4 inch SS pan head screw (from local hardware store) {{(data.numOfCanopies * 4) + (data.panelSets * 4)}} each.
#8 x 1-1/4 inch SS pan head screw (from local hardware store) {{(data.panelSets * 2)}} each.
Dacron 1/8 inch leechline (Item 212114 black or 21209 white) {{data.leechLine}} feet.

Tools List: Sailrite Canvas Patterning Ruler (Item 107040).
Sailrite Deluxe 5-1/2 inch Sewing Guide (Item 103597).
1/8 inch Hole Cutter (Item 102235).
Cutting Pad for Hole Cutter (Item 103651).
#2 Spur Grommet Die Set (Item 18203) (not required for Phifertex fabric).
#2 Hole Cutter (Item 18211) (not required for Phifertex fabric).
Nicropress Tool (Item 19203).
Sewing Machine.
Common household tools: Ladder, Tape Measure, Pencil, Marker, Yardstick,
  L-Square, Stapler, Drill & Bits (1/8 inch & 5/16 inch), 1/4 inch Socket Driver, Wrench, Screw Driver,
  Hammer, Needle Nose Pliers, Hacksaw, Scissors, Metal File,
  Dremel Tool & Cutting Wheel or Heavy Duty Wire Cutter.

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