ZodiacTiller
Recruit
- Joined
- Oct 7, 2017
- Messages
- 4
Mea Culpa: I've read all the proper height posts in the forum, but still have questions:
So, I got the Mark III with the new Yamaha F25 EFI four stroke. I mounted the motor flush to the top of the transom and the Anti-Cavitation plate sits a good few inches below the keel....but more or less inline with the bottom of the speed tubes. Most things I've read say the AC plate should be inline with the keel...?1".
1) Is it correct to have the AC plate near the bottom of the speed tubes where, theoretically, you'll be planing (see photo i've linked to below)?
2a) If not, where would you try and position the AC plate relative to either the keel or speed tubes?
2b) If you don't plan on being WOT every moment and, instead, are pulling kids on tubes and stuff, does that change the equation?
3) If #2 above requires raising the motor, what method is best to do so? I was thinking about drilling like 4 holes about 3" in depth in the transom and installing threaded sleeves into which I could insert threaded screws through the extension block with washers to clamp the extension piece from above. I'd like to avoid epoxying the extension piece as I'm thinking the height adjustment will likely be a longer-term trial and error ordeal....
Thanks for any insight....
http://www.zodiac-boats.co.uk/acatal...ii-2010-11.jpg
So, I got the Mark III with the new Yamaha F25 EFI four stroke. I mounted the motor flush to the top of the transom and the Anti-Cavitation plate sits a good few inches below the keel....but more or less inline with the bottom of the speed tubes. Most things I've read say the AC plate should be inline with the keel...?1".
1) Is it correct to have the AC plate near the bottom of the speed tubes where, theoretically, you'll be planing (see photo i've linked to below)?
2a) If not, where would you try and position the AC plate relative to either the keel or speed tubes?
2b) If you don't plan on being WOT every moment and, instead, are pulling kids on tubes and stuff, does that change the equation?
3) If #2 above requires raising the motor, what method is best to do so? I was thinking about drilling like 4 holes about 3" in depth in the transom and installing threaded sleeves into which I could insert threaded screws through the extension block with washers to clamp the extension piece from above. I'd like to avoid epoxying the extension piece as I'm thinking the height adjustment will likely be a longer-term trial and error ordeal....
Thanks for any insight....
http://www.zodiac-boats.co.uk/acatal...ii-2010-11.jpg
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