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Marc Tipper
  • Male
  • Launceston, Tasmania
  • Australia
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ORO deck mods
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I own a 46 foot ORO MK IV. From my understanding there are not a lot around. I love the simplicity of the design but am wondering what I can do to modify the deck pod (cockpit) and gain a bit more…Continue

Started this discussion. Last reply by Iain & Cherry Mae Cairns Jul 31, 2012.

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Profile Information

I am:
I own a Wharram
What boat (s) are you building or do you own?
46 foot Wharram ORO MK IV. "THREE BELLES" sail no#225
Country, City, and State?
About me or us?
Finally living the dream, I have always wanted a Wharram and now finally own one (this has only taken 31 years)
Looking forward to many enjoyable sea miles
Looking to?
exchange ideas

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Comment Wall (2 comments)

At 1:05pm on June 5, 2014, dennis schneider said…

Dear Mark! Your Oro lools very clean; do you have an inboard engine with a marine transmissio? How do you raise and lower the prop? Do you find that the foresail sheets snag on any protrusions on the foredeck? When windspeed picks up do you drop the main, rather than reef? The mainb mast is directly over the second cross beam; so, you just croouch under it when going from the maincabin forward? You have the standard rudder/skeg configuration, how do you steer from the pilot house? Do you have a heater? Do you use the standard yankee/staysail combo?(It looks like a genny on the rollerfurler...) dennis  (Did I say how beautiful your boat is?!)

At 9:50pm on June 5, 2014, Marc Tipper said…

 Dennis, I have a mid mounted 30hp Lombardini with a ZF Transmission. The motor is mounted below deck level in the centre pod. the prop is raised and lowered by hand, very quick and easy, just aft of Beam 4.

I have the standard Yankee/Staysail combo but I tend not to use the Yankee on short sails as the sail chafes on the Staysail forestay when tacking. I have the Staysail sheet hauled in short on the main mast. this self tacks and reduces the need for a lot of clutter on deck. I have found that I can sail tight hauled in 35knots of wind without a reef in the main or mizzen. and have run before the wind with the same amount of sail up. the only issues i have had were that the vang was too tight and I put a slight bend in my boom. to solve this I now have a heavy duty rubber snub between the vang and mast which allows some give in stronger wind conditions. The main boom is 175 centimeters off the deck so it has good clearance, I have the standard rudder and skeg configuration. the rudders are hinged with 5mm spectra, which works brilliantly. I have a wheel setup in the pilot house and the rudders are attached via pulleys and 4mm spectra. The helm is offset to the starboard side so that you can access the day bed/engine cover. The offset position makes it easier to see where you are going and also easier when coming alongside.

At sea, if the engine is running , vents in the pilot house can be opened to allow hot air from around the engine to warm up the area. If under sail I have a methylated spirit "Keg" which warms the area well.


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