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I read and read on these serfice drives . Thats the way to go if your looking for big motors .
Surly i am going to blow my bravo so If anyone knows of a used Arenson bravo convertion kit let me know i buy it. See this http://youtu.be/Of1RY4M8VqM |
I have a pair of Arneson 7M's for sale, the boat comes with them :)
http://47excalibur.com/ https://www.youtube.com/watch?v=NmhE9uvbMX4 |
Awesome video. ...amazing what half a prop can do. ....
Originally Posted by Bulitz
(Post 4146560)
I read and read on these serfice drives . Thats the way to go if your looking for big motors .
Surly i am going to blow my bravo so If anyone knows of a used Arenson bravo convertion kit let me know i buy it. See this http://youtu.be/Of1RY4M8VqM |
Anything Mercury is out of control price wise. I stay away from them but has their trim tabs as nothing else can be found in the market. They want over $100,- for a 5/8 thick bolt, 5-1/2" long for their trim tabs that needs 4 of them. Insanity at its best. My new hobby is to blow Mercs out of the water, and I was the 3 year old kid with a Mercury 4,5 HP on my dinghy. Shame on them.......
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The last tthing that is mercs bread and butter is selling bravo parts. Very Silly. Selling 350 magnums in cobalts is 95% of there business. Arneson aren't that popular because bravos work perfectly in 99% of there applications. OSO is performance site, not the normal world.
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Originally Posted by JP-8
(Post 4146291)
I recall a particulary interesting discussion about this very topic back in 2003 when I would lurk around here periodically.
The point was raised that a surface drive is arguably a superior way of getting power to the water, so why aren't they mainstream? It was acknowledged that Arneson's lack of an engine and drive package is the main barrier, but a very insightful gentleman (SuperTremoli was his handle here, I believe) appropriately pointed out that the traditional stern drive configuration has a resolute, unyielding cultural acceptance that will always be very difficult to change. I'd have to agree with that assessment. The stern drive has its place, and works well enough for a great many applications, but the surface drive could do a much better job in most cases and should be more common. It could rightly be said that Mercury has ruthlessly maintained a status quo for themselves that's had ripple effects on the industry at large. Obviously, it is very good for business if everyone is out there grenading Bravos, only to rinse and repeat. Merc doesn't want that to change, it's their bread and butter. For this and other reasons of similar nature, it is difficult for me to regard the company with anything but cynicism. |
Originally Posted by JP-8
(Post 4146291)
The point was raised that a surface drive is arguably a superior way of getting power to the water, so why aren't they mainstream?
But in reality, surface drives ARE mainstream in the environment where they are most efficient and effective. |
Originally Posted by Pilotpete
(Post 4147209)
The most efficient method of getting propulsion in the water is dependent upon speed and application. If memory serves me (and it does less and less every year) 50mph is the cutover point for surface piercing drives over non-cavitating submerged props. Cruise ships would not benefit from a surface drive, nor would boats with sub-30 kt cruise speeds.
But in reality, surface drives ARE mainstream in the environment where they are most efficient and effective. |
As i saw from youtube and internet , all single engines boats with surface drives dont have a deep V hull, like i do
Am i wrong on this ? |
Originally Posted by Bulitz
(Post 4147245)
As i saw from youtube and internet , all single engines boats with surface drives dont have a deep V hull, like i do
Am i wrong on this ? https://www.youtube.com/watch?v=ZNC-ftv62EM |
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