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Old 11 June 2008, 03:54   #1
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Country: Other
Town: San Carlos, Mexico
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Make: LOMAC 730
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Need compass
I have a 4inch dia hole in the top of my console which is filled with a bottom of the range Ritchie compass. - worthless. Can anyone recommend a reasonably priced compass that works on a RIB to refill the hole.
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Old 11 June 2008, 11:20   #2
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Country: UK - Wales
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Plastimo 105

http://www.safety-marine.co.uk/Compa...s-Plastimo.htm
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Old 11 June 2008, 11:26   #3
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Country: Ireland
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Make: Valiant DR 490
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I have the 105 compass I find that the vibration from the engine when ticking over causes this compass to spin. I have since added rubber damping to the mount and will view results on my next outing

TSM
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Old 11 June 2008, 11:56   #4
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It's not interference from something when the engine is running is it?
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Old 11 June 2008, 12:43   #5
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Country: Other
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Length: 7m +
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Quote:
Originally Posted by two stroke mick View Post
I have the 105 compass I find that the vibration from the engine when ticking over causes this compass to spin. I have since added rubber damping to the mount and will view results on my next outing

TSM
That is what happens to mine. I assumed it was just a cheap compass.
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Old 11 June 2008, 13:06   #6
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Country: Australia
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I've been using the Plastimo Offshore 75 Compass with the bracket- a bit smaller than you need, but it is good enough for the job and is pretty stable. Would the flush mounting be picking up the vibration?
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Old 11 June 2008, 13:34   #7
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Country: Other
Town: San Carlos, Mexico
Boat name: INDE
Make: LOMAC 730
Length: 7m +
Engine: 200 Merc.
MMSI: Please press 1
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Posts: 1,667
Quote:
Originally Posted by Apherel View Post
I've been using the Plastimo Offshore 75 Compass with the bracket- a bit smaller than you need, but it is good enough for the job and is pretty stable. Would the flush mounting be picking up the vibration?
Maybe, I will do some more testing.
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Old 12 June 2008, 14:34   #8
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Country: Ireland
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Make: Valiant DR 490
Length: 4m +
Engine: 60 hp ETEC
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Join Date: Oct 2007
Posts: 397
My 105 compass is not flush mounted it is on a bracket. The bracket is inturn bolted onto a SS frame to the front of the seating unit. I suspect that the SS frame is vibrating at with some kind of resonance when the engine is ticking over

TSM
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Old 15 June 2008, 16:02   #9
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Country: Ireland
Town: Castlebar
Boat name: Clewless
Make: Valiant DR 490
Length: 4m +
Engine: 60 hp ETEC
MMSI: Awaitng one
Join Date: Oct 2007
Posts: 397
Spinning compass
I was out yesterday after modifing the seating for the compass. The modification worked well and the small rubber mat that I placed under the seating looks to have solved the problem. New question can the 105 be swung? if so how is it done
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Old 15 June 2008, 19:32   #10
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Country: UK - Wales
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There are adjusting screws on it somewhere

http://www.plastimo.com/pdf/compass_inst(uk).pdf
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