Installation 12
Step 2: Arm Fabrication
MODEL BG770 (SINGLE ARM)
If you are making the arm yourself, refer to Figure 5 and its suggestions for the single arm design.
1Drill four 1/2" diameter holes using the arm clamp as a template. Tapering the wood as shown helps reduce the weight and allows you to reduce any warping common with long lengths of lumber.
2Finish arm with exterior grade paint and stripe with paint or adhesive backed tape as required.
3”
Length as Needed up to 12 feet
Material:
6: x 1” Pine or Redwood
Figure 5
MODEL BG790 (WISHBONE ARM)
A
1Cut to desired length.
2Finish with an exterior grade paint and stripe with paint or adhesive backed tape as required.
Up to 8 feet
Arm
Extension
Material:
4: x 1” Pine or Redwood
Figure 6
Doc
Rev E