Re: Maramu Ventilation Below
amelliahona <no_reply@...>
Hi Howard:
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We have had our SM2000 in the Caribbean for 4 years. It is a great boat and I am very happy with it. My observations on ventilation are as follows: Forward Cabin: Excellent air flow from hatch under virtually all conditions.* Excellent air conditioning. I have two Hella Fans to augment airflow as needed and/or if the boat is closed up under sail or due to insects or rain. Forward Head: Excellent air flow from hatch under virtually all conditions. Excellent air conditioning. Saloon: Adequate, but not excellent air flow from hatch. Better with Breeze Boosters. I also have two Hella fans near the saloon forward bulkhead to help if winds are light. The single 9,000 BTU Climma AC is ok for the eating area only but inadequate for the galley and nav station area. Nav Station: Only a Hella fan mounted here makes it bearable.** Galley: This is a real sweat box. The portlight isn't adequate and the saloon AC doesn't get this far. I just finished installing a 4th AC unit (10,000 Climma)*** for dedicated output to the galley and nav station area in order to keep the 1st mate (wife) happy. The Breeze Booster Port Ventilator helps. I have several of the Breeze Boosters and Port Ventilators and they are the only ones that I have found to work on the Amel (self erecting) see: www.breezebooster.com/index.html Quarter Berth: Inadequate ventilation. The single portlight doesn't provide airflow and the port ventilator doesn't work because it is located in the cockpit behind the dodger. I have directed an AC vent from the new install to shoot AC air into the quarter berth. I am contemplating installing a second portlight here to get some airflow. There is a Hella fan here that makes it bearable. Aft Cabin & Aft Head: Very marginal to inadequate airflow. Note that the new Amel 54 has two aft hatches and a cabin top hatch. The head portlight and small forward portlight are not adequate. The AC is super and quickly cools the aft cabin. I have tried various breeze boosters for the aft cabin with marginal results. We have three Hella fans in the cabin and I installed an additional Hella fan in the aft head that makes showering etc ok. Typically at night in the Caribbean the wind and temp is ok with normal boat ventilation. The worst time is in the afternoons. I manage my battery charging so that I can run the ACs and charge the batteries in the mid afternoon, or I just spend this time in the water. This is the only boat I have ever owned so I can't compare to others. We have the fresh air ventilation system for use when at sea or if it is raining. It is a boon and a desirable option. Notes: * Fresh air ventilation system is barely adequate when boat is closed up. ** I think I orderd Hella fans as options when I bought the boat. I have since added two more. *** Joel says he gets four units on all his boats. I installed mine under the galley sink, below the shelf, and tied it into the fresh air ventilation system as well as running vents to the area of the nav station/guarter berth and a vent that comes out into the galley from just to the port of the dishwasher. These are just my opinions. Hope this helps, Gary Silver SM 2000, Hull # 335 but is--- In amelyachtowners@yahoogroups.com, "Howard Berger" <svresolute@...> wrote:
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