Positioning of helm station on RIB?
I am installing a helm station on my AB 9.5AL RIB but have found no details on the correct positioning regardless of make of RIB or helm station.
The best I've come up with researching this are the general guidelines for the "Unihelm" which falls short of what I'm hoping to find. Basicaly, what they say is to position the helm forward of the transom enough to allow the engine to be fully tilted up then "field adjust" the final position for optimum trim.
I'm thinking that there must be a more scientific approach to this and am hoping to get some direction from AB in this regard, but I'm not optimistic that it will be forthcoming.
Assuming that I can't get any help from AB, my logic is that the helm should be positioned so that the centre of gravity of the boat will be maintained for optimum planing speed with the boat at it's expected average load. This would include engine, fuel, operator and passengers and freight. I would expect that this C of G would be at a position some distance forward of the transom.
Can anyone provide me with any guidance on this?
1993 Bayliner 3288, 351 Fords, converted to tuned port programmable EFI. 2012 AB 9.5AL RIB, Yamaha 15MSH (tender)