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Search took 0.00 seconds. Search: Posts Made By: Terra Nova
Forum: Engines and Propulsion Systems 20-03-2014, 18:26
Replies: 110
Views: 12,510
Posted By Terra Nova
Re: Repowering? Bigger is better?

Stu--If something like the last 20% of the charge is the most difficult to replenish, that 20% will be larger on the larger bank. Furthermore batteries self-discharge; the larger bank loses more to...
Forum: Engines and Propulsion Systems 20-03-2014, 17:14
Replies: 110
Views: 12,510
Posted By Terra Nova
Re: Repowering? Bigger is better?

The larger bank is much more likely to remain undercharged.



Electric starting is easy--most engines already come with it. But a way of hand-starting could be of great value.

The prop seems...
Forum: Engines and Propulsion Systems 20-03-2014, 10:59
Replies: 110
Views: 12,510
Posted By Terra Nova
Re: Repowering? Bigger is better?

The more "lavish" your house bank, the more you will periodically spend on its replacement.
Forum: Engines and Propulsion Systems 19-03-2014, 21:27
Replies: 110
Views: 12,510
Posted By Terra Nova
Re: Repowering?

Why? What problem are you having with it? It can't be just to save some weight?
Forum: Engines and Propulsion Systems 19-03-2014, 15:50
Replies: 110
Views: 12,510
Posted By Terra Nova
Re: Repowering? Bigger is better?

Depends on how big a difference.

It is possible, in order to meet the letter of ABYC rules, for example, that a manufacturer might limit engine torque so he could use a smaller, cheaper, lighter...
Forum: Engines and Propulsion Systems 19-03-2014, 15:43
Replies: 110
Views: 12,510
Posted By Terra Nova
Re: Repowering? Bigger is better?

Marujo--good post!



ot Andrew--even though the hydraulics reduce efficiency, as compared to a straight drive, this is a wonderfully interesting idea! Technically, we should expect this system...
Forum: Engines and Propulsion Systems 18-03-2014, 18:46
Replies: 110
Views: 12,510
Posted By Terra Nova
Re: Repowering? Bigger is better?

30-40 diesel horsepower can do an amazing amount of work. It can power off a lee shore or it can run refrigeration, watermaker, generator, alternator(s), pumps, ...

In addition to the high output...
Forum: Engines and Propulsion Systems 18-03-2014, 17:04
Replies: 110
Views: 12,510
Posted By Terra Nova
Re: Repowering? Bigger is better?

Your boat will never appreciate the engine weight loss.

My boat is nearly the same waterline length, 33'-9", but displaces 24,000 lbs. The Yanmar 3QM30 seems small for a boat this size, as it...
Showing results 1 to 8 of 8

 
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