Re: [Amel Yacht Owners] Re: Intermittent bow thruster - Maramu
Graham Cresswell <grahamjcresswell@...>
Dear Joel,toggle quoted messageShow quoted text
Many thanks for your thoughts. As a retired airline pilot and aviation medicine specialist physician, I'm acutely aware that I may have had brain failure so I certainly don't feel scolded! In particular, owing to my current inexperience with the boat, the limited space in the marina where I'm berthed and the unnerving proximity of various million dollar yachts, my mental capacity was dramatically reduced by this event and I cannot now be absolutely sure that the bow thruster motor was turning when I diagnosed the failure. Plainly, if the motor was not turning, then there is a completely different set of possibilities, including the possibility that I'd inadvertently switched it off. The marina where I'm berthed has virtually no current and is very sheltered so that there is almost no wind so I doubt that they are factors.
I did have some manoeuvring practice with the previous owner although it was not extensive and all the sternward manoeuvring was accomplished with the aid of the bow thruster. I agree with you that it makes sense to try to use the standard handling techniques employing prop kick and prop wash rather than resorting to the bow thruster in the first instance and I'm trying to acquire the necessary skills. However, I've been warned by a friend, who is a very experienced SM owner, to expect it to be very difficult to manage when it is making sternway so I'm currently developing a plan for managing my berthing in the event of another bow thruster failure. I'm also planning to take the boat out tomorrow and to dive to observe the bow thruster functioning.
Finally, I wonder if there exists an exploded diagram of the bow thruster that would help me to understand its mechanisms and how technical problems might be addressed. My Maramu is the 1989 model launched in 1988 and is hull number 240. Maude has been unable to supply more than a very rudimentary owners manual.
With many thanks and kind regards
On 31/12/2015 18:58, 'Joel Potter' jfpottercys@... [amelyachtowners] wrote: