Roof Top Bow Riser Size

66 inch bow for 26 inch draw length and shorter.

Roof top bow riser size.

If additional riser height is needed for service conductor clearance as required by applicable electrical codes the riser shall be rigidly braced or rigidly guyed from a point within 8 inches of the weatherhead. For example the sweet spot for the 62 inch bow is going to be when it s drawn 22 24 inches. The bow shown in the picture on the left is a one piece bow. 31 and longer 70 to 72 bow.

Personal preferences determine your draw length and bow length. Measuring your bow length formula draw length 40 inches. Magnify them until they are about 23 to 25 inches long print out transfer them by hand to another piece of paper and you sould be fine. The draw weight increases at a consistent curve up to those lengths.

Roof risers and roof upstands roof risers service risers and roof upstands can be used to support a range of outdoor equipment that needs to be installed on a flat roof. The top of the weatherhead shall be a minimum of 24 inches above the roof. There is another more common type called a take down recurve which has a pocket at the top and bottom of the riser for the limbs to bolt into. If you only need a riser template maybe you could make your own template by tracing around a simple riser from a friend s bow.

So use a tape measure to find the height of the roof above the top wall of the building. If you draw that bow 28 inches you re going past the peak performance point and the draw weight will increase sharply. Also measure the length of half of the roof from one side of the ridge beam to the edge of the building. It is preferable to shoot a longer bow than one that might be too short.

Match your calculated draw length to the appropriate bow size in the chart to the left. Riser length long limbs medium limbs short limbs. Our products provide patented advantages for roof top pipe support and roof top platform support solutions through versatile roof support configurations that can combine multiple roof support blocks with roof support accessories. This type of bow can.

The types of timber used in the riser can vary giving a multi coloured appearance. Roof top blox are designed specifically as roof supports to be used on commercial roof piping support and platform support applications. There are even some on google too. Even longer limbs make a 70 inch bow.

Long 25 riser 70 bow 68 bow 66 bow. Short 23 riser 68 bow 66 bow 64 bow. Limbs come in short medium and long lengths. A short riser to make a 68 bow will give you 2lbs more than with a long riser making a 68 bow.

Whether it s air conditioning units air source heat pumps or solar panel systems these roof risers can be used to ensure no damage is done to the flat roof substrate when.