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Old 20-08-2012, 08:15   #1
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Full Arch - Or Davits & Instrument Pole ? (re-post)

(This is a re-post... first one was way too long, sorry)

On our old boat, we had an arch with davits. With the new boat, I'd like to explore going without an arch - for a cleaner look and reduction in weight.

What I'm considering:
1. Solar over the bimini
2. Davits
3. Instrument pole for antennas
4. (Only if the solar doesn't prove to be enough, a wind generator, possibly on it's own pole.)

Things to consider:
1. There are 2 quarter seats. I don't want to inhibit the comfort of the seats.
2. The davits will be holding a 10' RIB... preferably with a 15hp outboard on it.
3. A windvane might be added someday.

I would love to hear any thoughts on what I'm considering vs. a full arch?

Thanks,

Scott, Brittany and Isla
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Old 20-08-2012, 08:29   #2
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Re: Full arch?... or davits & instrument pole? (re-post)

Not having either davits or arch I have made the same consideration.

I know of boats who have davits with solar panels and they seem quite happy and there is an added benefit that the the panels are less likely to have shadows from your rigging. However having a windvane may interfere with launching your dinghy and you dinghy may interfere with access to the windvane.

I personally like the idea of an arch for solar because they are out of the way and less likely to be damaged when docking. However, that location would tend to have greater risk of shadow, which would reduce your panel efficiency. Cost wise, davits are about the same as an arch and approvide muliple uses.

It was recommended to me that any windgenerator should be on it's own pole due to vibration. Having an arch my interfere with having a windgen.

In my case, I would probably go with davits when I upgrade.

Andrew
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Old 20-08-2012, 09:34   #3
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Re: Full arch?... or davits & instrument pole? (re-post)

Go with the arch. You will not regret it.
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Old 20-08-2012, 22:08   #4
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Re: Full arch?... or davits & instrument pole? (re-post)

I have my arch up high enough to hoist the dingy above my eyesight, so I can maneuver better in the marina. Sorry the picture is sideways, I can't seem to make it stand up straight.
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Old 21-08-2012, 21:20   #5
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Re: Full arch?... or davits & instrument pole? (re-post)

Rick - Can you elaborate on that? Any thoughts on what I'm considering vs. a full arch?
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Old 22-08-2012, 05:06   #6
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Re: Full Arch - Or Davits & Instrument Pole ? (re-post)

We had a pole with windgen and rotating solar and a separate radar stand with some antennas. That setup was easy to install ourselves, we had good access to wind gen, and, the main point, we could tilt solar 90 degrees and rotate 360 - this way we got much more power out of our panels than normal. Also, for stronger storms or longer term storage, solar panels were removable.
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