Re: [OMC-Boats] SE300 hydrofoil

And the down firing exhaust is slightly more efficient, less back-pressure. Very close to matching the later thru-the-prop exhaust of the 400/800 Stringers.

But it's probably not a cost-effective modification, unless you have the required parts sitting around.

Lee

________________________________
From: omc-boats-bounces@... [mailto:omc-boats-bounces@...ultimate.com] On Behalf Of Scott Veazie
Sent: Thursday, October 15, 2009 11:20 AM
To: omc-boats@...
Subject: Re: [OMC-Boats] SE300 hydrofoil

One thing I forgot to mention was that after I did the job, I realized that this particular foil would fit much better or at least install easier with the later style OMC down-firing exhaust rudder, found after 1973. It tapers the opposite way our rudders do, do less material would be in the way. Oh well!

________________________________
Date: Thu, 15 Oct 2009 08:58:26 -0700
From: bldfw@...
To: omc-boats@...
Subject: [OMC-Boats] SE300 hydrofoil

Hey guys,

I'm picking up again on an older post about hydrofoils. I just ordered and picked up a white SE300 hydrofoil and am about to install it to resolve the occasional porpoising and such.

Normally this would involve a simple holed drilled in the plate but I the exhaust outlet at the rearmost position overlaps the two rearmost holes. For you guys that installed the SE300, how did you handle that?? Did you loosen the exhaust housing and insert the mouting screws upward from bottom? It looks like it would get messy to drill down from the top, through the exhaust outlet. The slope of the sides get in the way of a clean bolt attachment (if that makes sense).

How did you do it?

-Bill
Dallas, TX
1970 Evinrude Explorer - 155 Buick V6 - OMC Sterndrive
http://www.photobucket.com/evinrude_explorer

--- On Wed, 9/2/09, Lee Shuster <lks@...> wrote:

From: Lee Shuster <lks@...>
Subject: Re: [OMC-Boats] Doel-Fin
To: "Evinrude & Johnson Boats of the 1960's and 70's" <omc-boats@...mate.com>
Date: Wednesday, September 2, 2009, 8:53 AM

I've got a Stingray XP which is their least expensive model. About $60 most places. See: http://www.cabelas.com/p-0017147.shtml

My boat gets used almost exclusively for water-skiing, tubing, wake boarding, etc. In these activities I typically run between 16 to 24 mph.

The positives: Helps reduce bow-rise on hole-shots, totally eliminates prop ventilation over-revving in high-speed, SKIER-DOWN turns, helps reduce porpoising, allows boat to get on plane quicker and maintain lower planning speed by 2 mph.

The negatives: Reduces best top-end speed by about 3 mph, extends overall length of boat by about 2-3 inches in garage.

On Sep 2, 2009, at 7:36 AM, Justin DeSantis wrote:

> I've found everything on line from people who really love them, to
> people who think they're dangerous and should be outlawed, so it made
> me wonder what you all thought. I guess I'll leave mine on and try it.
> Then try without.
>
> On Wed, Sep 2, 2009 at 8:02 AM, Todd Dixon<todddixon@...<http://us.mc812.mail.yahoo.com/mc/compose?to=todddixon@...>> wrote:
>> I run one on my '67 Reveler. Really haven't noticed that big of a difference
>> in steering, Definitely makes it plane out better, and completely eliminated
>> porpoising. Personally I have ran them on all my boats.
>>
>> Todd
>>
>> ________________________________
>> From: jd <jdood@...<http://us.mc812.mail.yahoo.com/mc/compose?to=jdood@...>>
>> To: Evinrude & Johnson Boats of the 1960's and 70's
>> <omc-boats@...<http://us.mc812.mail.yahoo.com/mc/compose?to=omc-boats@...>>
>> Sent: Wednesday, September 2, 2009 1:56:07 AM
>> Subject: Re: [OMC-Boats] Doel-Fin
>>
>> I just put a SE300 hydrofoil on my Deluxe. Harder steering, seems to feel
>> like it's dragging, planes a tad better. not sure about fuel. gonna keep
>> it on and try and get used to it. i think others on here have the same
>> one and like it.
>>
>>
>> On Sep 1, 2009, at 9:17 PM, Justin DeSantis wrote:
>>
>>> Lets talk about hydrofoils. My boat has one, but I haven't run it yet.
>>> And I never tried one on my previous boats. Some guys swear by them.
>>> Some guys swear they are the devil. I googled it and found all sorts
>>> of discussion on the subject. But I wanted to talk about it here since
>>> the old Johnson hulls are so unique, I figure just because a guy with
>>> a deep V hates them doesn't mean they're terrible on a sea-foil. The
>>> guy I bought my boat from says that it makes it steer much harder, but
>>> get on plane quicker. To me, that would mean better fuel consumption
>>> at the expense of handling. But what other pros and cons might I
>>> notice?
>>>
>>> Justin
>>> _______________________________________________
>>> OMC-Boats mailing list
>>> OMC-Boats@...<http://us.mc812.mail.yahoo.com/mc/compose?to=OMC-Boats@...>
>>> http://lists.ultimate.com/mailman/listinfo/omc-boats
>>
>> _______________________________________________
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>>
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>>
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Received on Thursday, 15 October 2009