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ContinuousWave: Whaler Repairs/Mods
9' Tender modifications?
|Author||Topic: 9' Tender modifications?|
posted 11-01-2001 05:14 PM ET (US)
I am looking at a 9' tender, a 1990 model for $500 (no trailer/motor). I saw in a thread on this board that a boat on ebay sold with steering and a 9.9 (max is 5 hp on the 9' tender). Were there any models made stock with a steering system, or was this most likely aftermarket? It looked like a great idea, and something I'd be willing to try.
Also, what would be the max hp I could safely put on that boat? I have read on this board that people had up to 25 hp, but that seems a little dangerous, while people say the 5 hp wasn't enough. Would a 10 or 15 hp be a good medium? Any thoughts would be appreciated.
posted 11-01-2001 06:12 PM ET (US)
Hi, KeysNole. The 9' is not a planing hull, so forget about safe, go-fast applications. As a tender it is rated for 5hp. It will putt about very nicely with 5 hp. If you want to go fast, get a planing hull boat.
The BW 11 is a planing hull and will thrill you with a mere 20 hp.
Red sky at night. . .
posted 11-01-2001 09:55 PM ET (US)
Thanks JB. I would purchase the 9' as nothing more than a toy--something to spruce up and sell in the near future.
By the way, I emailed Boston Whaler for the second time this month requesting pictures and information. Both times I had replies in less than 24 hours. Stellar customer relations as far as I am concerned.
JB, what are the differences in the hull of the 9' as opposed to the 11 or 13?
posted 11-01-2001 10:16 PM ET (US)
Howdy, KeysNole. Probably the most important difference is that the 9' hull rises for some distance in front of the transom, giving a rounded profile.
A planing hull generally has a more or less flat profile near the stern, so that increased speed (beyond the displacement speed) causes the hull to ride on the last few inches of bottom, and give minimum drag.
Now all you nit-pickers out there: I realize this is an oversimplification. Leave it alone, please.
Red sky at night. . .
posted 11-01-2001 11:12 PM ET (US)
I think B.W. has good reason to
classify their 9' as a 'non-planing' hull:
to keep potential liabilities -ie. thrill
seekers- in check. The hull does plane out,
(with a bit more power) but from what I'm
reading in the threads, you're on your own
from there. 'Non planing' is just B.W.
covering their bases.
posted 11-03-2001 12:48 AM ET (US)
Its true...the 9' tender is not a go-fast planing boat. There is a serious vee on the back so when you do get up and going the boat starts to dance side to side tryin to balance on its middle hull. That doesnt mean you cant clamp a 25hp mercury on it, it does mean you have to understand what the boat is tryin to do and how to drive it.
Now a 11' or 13' are made for higher speed with a relativly flat stern so they can plane with out dancing.
If your lookin for a good medium i would say a 15hp is fine, good power with low weight. No 9' came with steering wheel...i dount think 5hp outboards even have a steering tube & connections. Hope this helps-EasyE
posted 11-03-2001 02:53 AM ET (US)
Thanks a lot EasyE. I am going to look at the boat tomorrow. I'm not trying to kill myself, but I would like to possible get the boat on a plane of some kind. Here is the link I found on this board for the 9' with steering. Looks like a great project.
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