I see modern boats like a Nacra 17 with a rotator control relative to a fixed point rather than the boom. Why is this so? Something to do with raked spreader v. my N5.2 diamonds?
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FYC, Nacra 5.2 "Chris's Flyer" & Nacra Playcat
Previously owned: Trac 14, H14, H16, H18, N5.0, G-cat 5.0
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Mast rotators on tramps
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- Rank: Mate
- Registered: Jul 06, 2009
- Last visit: Mar 28, 2024
- Posts: 383
Posted: Aug 02, 2022 - 06:00 PM
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- Rank: Mate
- Registered: Mar 19, 2004
- Last visit: Apr 12, 2024
- Posts: 960
Posted: Aug 02, 2022 - 07:21 PM
If it is run through a grommet in the tramp, then the control line can be lead out to cleats on each hull, so rotation can be controlled from the side of the boat/trapeze. If the control is made at the boom, then the crew must come inboard to make adjustments.
Both setups have their pros and cons.
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- Rank: Lubber
- Registered: Jul 03, 2009
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- Posts: 51
Posted: Aug 04, 2022 - 11:01 AM
Both systems are used for mast rotation on the Tornado.
I installed bast base such a system on a Sailcraft platform that (upgraded with a Marstrom alum mast and carbon rotator arm) as that was the way the mast was setup for the Athens 2004 games.
Duel controls under the tramp to the outside of each hull for the crew.
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Cameron
Tornado (Marstrom) USA 851
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- Rank: Mate
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Posted: Aug 08, 2022 - 11:20 AM
I have found the tramp mounted works best for drivers that hike instead of trapeze; as in the Tornado. I have mine on the tramp and the idea of for the driver to adjust the mast rotation as conditions change. The idea is for the crew to play the main and the driver to adjust the mast and the downhaul. I reverse this. I play the main and I have the crew adjust the downhaul. I typically singlehand, but even with a crew, it allows me to feel the boat better and easier for me to make main adjustments. But, for the rotation on the mast or tramp, it is personal preference. On my modified 18-2, the rotation is on the boom.
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Scott
Prindle Fleet 2
TCDYC
Prindle 18-2 Mod "FrankenKitty"
Tornado Classic "Fast Furniture"
Prindle 19 "Mr. Wiggly"
Nacra 5.8 "De ja vu"
Nacra 5.0
Nacra 5.8
Tornadoes (Reg White)
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