Need advice on how, and at what height on the mast to attach a whisker pole padeye. I am planning on using screws, since I cannot get in to the mast for bolts, and was going to attach it at the same height as the boom? Advice please. thanks
Whisker Pole
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Whisker Pole Height
The Pole should be horizontal when attached to the Clew of the Genoa. However, a fixed padeye may not be the right thing to do. Five feet of track and a sliding fitting as typically used for a spinnaker pole may give you better flexibility.
The Pole should be horizontal when attached to the Clew of the Genoa. However, a fixed padeye may not be the right thing to do. Five feet of track and a sliding fitting as typically used for a spinnaker pole may give you better flexibility.
Isolate
Though you can’t get to the backside (inside of mast) to install nuts - you should still use BOLTS (rather than screws). Drill & TAP the mast to accept the bolts. Use an anti-seize compound when threading the Stainless Bolts into the Aluminum mast, and an isolation pad (or coating) between the base of the S/S Padeye and the Alum. mast. S. Sauer has it right.
Though you can’t get to the backside (inside of mast) to install nuts - you should still use BOLTS (rather than screws). Drill & TAP the mast to accept the bolts. Use an anti-seize compound when threading the Stainless Bolts into the Aluminum mast, and an isolation pad (or coating) between the base of the S/S Padeye and the Alum. mast. S. Sauer has it right.
Thanks
Thanks, using bolts makes more sense, I was worried about the potential chafing on internal lines and wiring with screws. Any recommendation on a coating for the padeye? If I decide to change direction and go with a track, should I still use bolts for the track, or are short screws OK?
Thanks, using bolts makes more sense, I was worried about the potential chafing on internal lines and wiring with screws. Any recommendation on a coating for the padeye? If I decide to change direction and go with a track, should I still use bolts for the track, or are short screws OK?
Whisker Pole Track
I used 1/4"x 20 flat head stainless screws to fasten a 4' long clear annodized aluminum track with polyurethane sealant as a bedding and thread sealant after drilling and tapping the mast for the screws. I used light oil to lubricate the tap and then cleaned out the threads and surface with hot soap and water before drying and installing the track. It's been there since 1986 with no problems.
I used 1/4"x 20 flat head stainless screws to fasten a 4' long clear annodized aluminum track with polyurethane sealant as a bedding and thread sealant after drilling and tapping the mast for the screws. I used light oil to lubricate the tap and then cleaned out the threads and surface with hot soap and water before drying and installing the track. It's been there since 1986 with no problems.
fastenings
Always use “Bolts” (never screws) for loaded fastenings. Screws have little pull-out resistance (and less shear). You can use Silicone for an isolation pad. Apply silicone to pad-eye (or Track) base and bolt down snugly. Clean excess “squeezings”. Let set, before you tighten down. Almost any insulator will work. Gord
Always use “Bolts” (never screws) for loaded fastenings. Screws have little pull-out resistance (and less shear). You can use Silicone for an isolation pad. Apply silicone to pad-eye (or Track) base and bolt down snugly. Clean excess “squeezings”. Let set, before you tighten down. Almost any insulator will work. Gord
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