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What is a ferrel?

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What is a ferrel?

Old 05-10-2009, 03:52 PM
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Default What is a ferrel?

I was looking at some boat parts and noticed something called a ferrel as one of the parts mentioned. What exactly is this?
Old 05-10-2009, 04:44 PM
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Default RE: What is a ferrel?

it's a double ended socket you use to bridge the gap from where the flex cable leaves the stuffing tube and attaches the stub shaft. i think thats accurate.
Old 05-10-2009, 06:16 PM
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Default RE: What is a ferrel?


ORIGINAL: black talon

it's a double ended socket you use to bridge the gap from where the flex cable leaves the stuffing tube and attaches the stub shaft. i think thats accurate.
How exactly is it different from a coupler?
Old 05-10-2009, 06:37 PM
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Default RE: What is a ferrel?

Matt,
This is a Ferrule.

Dan
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Old 05-10-2009, 07:13 PM
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Default RE: What is a ferrel?

So is this the only thing between the motor shaft and the drive cable/shaft? In other words, the same thing as a coupler?
Old 05-10-2009, 07:30 PM
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Default RE: What is a ferrel?

yes

Old 05-10-2009, 09:29 PM
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Default RE: What is a ferrel?

Matt,
by the coupler, do you mean the collet?

since I am not certain, here is a pic from Bonzi showing 2 different type of Ferrule setup and a regular flex shaft.

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Old 05-10-2009, 11:22 PM
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Default RE: What is a ferrel?

OK, I'm trying to figure all of this out, because I am building my first boat.

So I need a collet which attaches directly to the motor shaft, the cable, then a farrule which butts up against the thrust washers which are pressed against the fiberglass transom?

What about the cable, I see the square end is reversed between the photos, and they claim one is better. What is the advantage of one setup over the other? Because the only difference is on which end the square is. Is there a cable with a square on each end instead of only one? That would seem to me like the strongest setup.
Old 05-11-2009, 11:11 AM
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Default RE: What is a ferrel?


What about the cable, I see the square end is reversed between the photos, and they claim one is better.
What is the advantage of one setup over the other?
It's all a matter of believing :-)

Is there a cable with a square on each end instead of only one?
That would seem to me like the strongest setup.
There is .. Tony from WHH can make you a cable made to size , squared both ends.
Tony has also the 1 piece ferrule/propshaft for square-drive.

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