A quick correction to my email below: the Raymarine ACU-200 has a maximum continuous current rating of 15 amps.
— Fred Fred Street -- Minneapolis S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^( > On Oct 28, 2017, at 1:51 PM, Frederick G Street via CnC-List > <cnc-list@cnc-list.com> wrote: > > Hi, Ken! As far as the Octopus vs the Simrad drive, the 1012LAM7 has a > slightly shorter stroke than the Simrad (178mm vs. 200mm). Depending on the > geometry of your tiller arm arrangement, it may or may not work without a > little modification. As far as the electrical requirements, the Simrad is > rated at 3.3-5 amps (10 amps peak), the Octopus is rated at 4-6A (19 amps > peak). And the Simrad has a peak thrust rating of 350kg and the Octopus has > a peak rating of 400kg. They’re very similar in most respects. > > Defender has the 1012LAM7 for $1499.99. Occasionally you can find one for > less elsewhere online. > > As far as the Raymarine goes, here are some answers: > > 1. p70 — correct; and yes, you can have more than one in a system > 2. EV-1 heading sensor — correct > 3. ACU-400 — a little bit of a gray area here. Typically I like to be a bit > conservative when it comes to autopilot systems. The max current rating on > the ACU-200 is 15 amps, and the stated maximum for the Octopus is 19 amps; > but I think you’d be REALLY hard-pressed to see those kinds of loads > typically on a boat the size of yours. At worst, you’d pop the fuse in the > ACU and need to replace it. I sold an Octopus/ACU-200 system to Richard Bush > on the list, and I haven’t heard of any issues at all with his system. > Granted, he’s river-sailing, and not going offshore into heavy storms. But > for all coastal sailing and most bluewater, the ACU-200 will work fine with > the 1012LAM7; I really doubt you’re going to go over the peak rating of the > ACU-200. [Let the flame wars commence…] > > — Fred > > > Fred Street -- Minneapolis > S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^(
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