Hi Folks,
Question please for anyone who would like to chime in. I have a boat without a mast. 37 foot Ranger early generation IOR boat (early 70s vintage). I have a lead on a carbon fiber mast that is the identical Hall extrusion used on a J120 and J130, and came off a Tripp 41 that was wrecked. Keel stepped on both boats, masthead rig on both boats. The carbon mast is 61 feet and the original Ranger rig (Tall rig) is around 54 feet overall. Question is how do I get the round peg into the metaphorical square hole.
Obviously buying a new mast is preferable, but that is not in the cards.
I have been in contact with Hall and they gave me the details on the original mast including the section, which is as follows.
Tripp 41
P = 49.87'; ISP = 56.50' 202C section
Triple spreader rig and all spreaders have 15 degree sweep
Carbon bolt rope mainsail track
Mast jack system with lifting bar, bricks, STP hydraulic pump
Total overall length is 61'
Diameter is 8 5/8" by 4 13/16"
Ranger 37
P= 42.83 ISP = 48.4
My problem/question are as follows:
1) The rig is used on a J130 with much more total sail area (955.88 vs 628.8 for the ranger). So I am guessing (dangerous) that the mast is more than strong enough for my boat, even without the triple spreaders. Is this a bad/foolish assumption?
2) my old IOR boat uses inline spreaders and this mast has swept back spreaders attached with spreader bars. Is there a way to convert from swept to inline spreaders without changing spreader bases or monkeying with the attachment points? Could I swap the swept spreader bar for a straight spreader bar easily? If I swap spreader bars can the original spreaders me adjusted to fit the new angle (these tings are not cheap).
3) Can I leave the triple spreaders rig or is it necessary to mimic the original single spreader rig. Triple would just be that much stronger, but is there some other design aspect I am missing?
3) If spreaders could be dealt with, I still have almost 8 feet of extra mast up top. IF I cut, where do I cut? Up top or down low? Down low means moving all the boom attachments and halyard cutouts etc, but as I would be cutting 8 feet off, all the old holes would essentially be gone and I would be attaching things to relatively undisturbed carbon fiber. Cutting it up top means I would either have to attach a new masthead box(if there is one, or are they typically built in)? It would seem cutting the bottom makes the most sense here.
And yes, this all sounds a bit crazy to me too, but I am trying to feel things out here before consulting a NA and formally moving forward. Section size is 8 5/8" by 4 13/16 "
Thanks everyone.
B
Question please for anyone who would like to chime in. I have a boat without a mast. 37 foot Ranger early generation IOR boat (early 70s vintage). I have a lead on a carbon fiber mast that is the identical Hall extrusion used on a J120 and J130, and came off a Tripp 41 that was wrecked. Keel stepped on both boats, masthead rig on both boats. The carbon mast is 61 feet and the original Ranger rig (Tall rig) is around 54 feet overall. Question is how do I get the round peg into the metaphorical square hole.
Obviously buying a new mast is preferable, but that is not in the cards.
I have been in contact with Hall and they gave me the details on the original mast including the section, which is as follows.
Tripp 41
P = 49.87'; ISP = 56.50' 202C section
Triple spreader rig and all spreaders have 15 degree sweep
Carbon bolt rope mainsail track
Mast jack system with lifting bar, bricks, STP hydraulic pump
Total overall length is 61'
Diameter is 8 5/8" by 4 13/16"
Ranger 37
P= 42.83 ISP = 48.4
My problem/question are as follows:
1) The rig is used on a J130 with much more total sail area (955.88 vs 628.8 for the ranger). So I am guessing (dangerous) that the mast is more than strong enough for my boat, even without the triple spreaders. Is this a bad/foolish assumption?
2) my old IOR boat uses inline spreaders and this mast has swept back spreaders attached with spreader bars. Is there a way to convert from swept to inline spreaders without changing spreader bases or monkeying with the attachment points? Could I swap the swept spreader bar for a straight spreader bar easily? If I swap spreader bars can the original spreaders me adjusted to fit the new angle (these tings are not cheap).
3) Can I leave the triple spreaders rig or is it necessary to mimic the original single spreader rig. Triple would just be that much stronger, but is there some other design aspect I am missing?
3) If spreaders could be dealt with, I still have almost 8 feet of extra mast up top. IF I cut, where do I cut? Up top or down low? Down low means moving all the boom attachments and halyard cutouts etc, but as I would be cutting 8 feet off, all the old holes would essentially be gone and I would be attaching things to relatively undisturbed carbon fiber. Cutting it up top means I would either have to attach a new masthead box(if there is one, or are they typically built in)? It would seem cutting the bottom makes the most sense here.
And yes, this all sounds a bit crazy to me too, but I am trying to feel things out here before consulting a NA and formally moving forward. Section size is 8 5/8" by 4 13/16 "
Thanks everyone.
B
