Bow Slip

Bow Slip

The Bow $12.93 The Bow

Bow $17.99 Bow

Slip $14.79 Slip

Robeez Party Bow (Children's) - Black $31.45 The classic shoe for formal occasions. A satin bow and scalloped ankle band dress up this solid black shoe, refining the look of your young party-goer. Features an easy slip-on, stay-on elasticized ankle band and a soft flexible sole recommended by experts. A durable, quality leather and lined upper that is easily washable by hand or machine. Breathable to keep feet cool and comfortable.

THE BOW $20.66 Directed by Kim Ki-Duk, BOW tells the story of an old man and his soon-to-be bride living a peaceful existence on their fishing boat, until they meet a young boy who alters their lives forever.

The Driven Bow $12.49 The Driven Bow

Bow Down $5.93 Bow Down

Bow to the Sceptor $9.97 Bow to the Sceptor

Clara Bow $21.55 Clara Bow

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Custom sewing a loop on the end of a tow strap?

I'm using a 1500lb. tow strap as a bow string for a home-engineered ballistae; I need to form a loop on both ends of the strap that will fit over the ends of the bow, to be held in place by pins that prevent the loop from slipping. I can't find any vendor who sells an appropriate weight thread or any online documentation of how to form the loop. Any information in this direction would be very helpful.

Thanks!

Find a marina with a good ship's chandler for big sailing boats. Sailmaker's thread comes in grades up to strong enough to hold together 500 square feet of heavy sail in a gale.
A big wet sail can weigh over a hundredwight....force on it can total more than 4000lbs over the whole sail in a Force 8.
You don't want the seams coming apart......strong stuff, that thread.
You use a sailmakers needle with it...an awl with a hole.

Or use bolts and plates.
Metal plates both sides, drilled for the bolts. Tighten the bolts well for a good friction fit when the plates squeeze together.
A square plate as broad as the strap, with the bolts in a triangle is the best way for three bolts. Top of the triangle is towards the loop, with a central bolt a third in from the top edge.
Bottom two bolts are at one third in from both sides, a third in from the bottom edge.
Or use four bolts....third in from top and bottom and both sides to make a square arrangement.
Then you get maximum equality of friction over the whole plate.
Bolts+friction over the plate area gives a big holding strength.
Car clutches, even big heavy truck clutches, work by friction...nothing else.
The force is applied by springs or levers, the friction surfaces do the rest.
Your force is applied by tightening the bolts.
Three 5/8ths Whitworth's steel bolts can hold a ton. Three on the other end is another ton.
Leave a big loop so the sides don't bow out ...no pun intended.
A long thin loop is better than a short fat one....holds it's strength better.
Sail fixings.......search list.
http://www.google.com/search?q=sailmaking+supplies&rls=com.microsoft:en-gb:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7GPEA . . . . . . .