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Author Topic: Seastar vs. hynautic k6 hydraulic steering  (Read 1889 times)

May 24, 2014, 01:09:34 AM
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kaptainkoz

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Seastar vs. hynautic k6 hydraulic steering
« on: May 24, 2014, 01:09:34 AM »
Question for the older pros as hynautic is no longer around but still available. Is there any advantage to the seastar steering system over the simple hynautic k6 model? The k6 is so sleek and simple while the seastar has so much going on and moving around. I figure there has to be a reason why they would have a complicated system like the seastar. Does the hynautic k6 have a throw limitation that the seastar system corrects or is there no advantage?

I am interested in the k6 but I have to question why such a simple design is fazed out over the popular sea stars mish mash of rods and movement. Please advise. Thank you!!!
1979 246 CCP project boat forever in development, Chesapeake Bay Virginia
Steven Koz<a href=\"mailto:Captainkoz@aol.com\"
[img]http://i457.photobuc

May 24, 2014, 07:20:41 AM
Reply #1

SaltH2OHokie

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Re: Seastar vs. hynautic k6 hydraulic steering
« Reply #1 on: May 24, 2014, 07:20:41 AM »
I know nothing except that they were purchased and are now both under the "Seastar/Teleflex" brand, so maybe to get some more of the market by focusing on their dominant brand and phasing out their weaker one?

That could be way off as to why Hynautic is no longer, but they are definitely owned by the same people now.
Ryan

1975 Aquasport 19-6, 1985 Merc 115 Inline.
1970 Aquasport 22-2, 1987(ish) Yamaha 115 V4.
Former owner of 1988 Aquasport 290 TM.

Currently on nothing but cell phone/air card.  Which severely limits internet time.

May 24, 2014, 07:47:03 AM
Reply #2

seabob4

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Re: Seastar vs. hynautic k6 hydraulic steering
« Reply #2 on: May 24, 2014, 07:47:03 AM »
Steve, keep in mind, when Teleflex developed the Seastar helm and cylinder, Hynautic was their direct competitor.  Teleflex most likely felt that the Seastar system was a better way to skin the cat.

FF several years, Teleflex buys Hynautic.  Now you've got 2 systems under the same roof...and one of them has to go.  It certainly isn't going to be the Seastar system, that would be admitting that the Hynautic system was/is superior to their own.  So Hynautic gets phased out, while at the same time Teleflex tries to improve the Seastar system at the most common failure points...end gland seals on the cylinder, helm seals, helm check valves.

If you have a good working order K6 system, do some research to find out what the most common issues are with it, and buy 2 or 3 repair kits for if/when problems arise.  Sooner or later (probably sooner), Hynautic parts simply aren't going to be available any more...


Corner of 520 and A1A...

May 25, 2014, 08:53:08 AM
Reply #3

GoneFission

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Re: Seastar vs. hynautic k6 hydraulic steering
« Reply #3 on: May 25, 2014, 08:53:08 AM »
Aside from Hynautic parts no longer being available, the two systems are like apples and oranges.  Very different designs, but some common features.  The Hynautic looks simpler, but is a pressure system with pressure on the lines at all times.  The Teleflex SeaStar has a double acting piston setup that is only pressurized when the helm pump is turned.  I have had both (and still do) and find both work fine when installed correctly.  Teleflex SeaStar won the hydraulic steering war, so I would vote for them in a new installation or rebuild due to the availability of parts, options, etc.  But I would not change over an existing Hynautic system that was working fine.  Nothing wrong with the Hynautic IMHO.   :thumleft:
Cap'n John
1980 22-2 CCP
Mercury 200 Optimax 
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"Gone Fission"
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May 26, 2014, 09:28:44 PM
Reply #4

kaptainkoz

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Re: Seastar vs. hynautic k6 hydraulic steering
« Reply #4 on: May 26, 2014, 09:28:44 PM »
Thank you everyone. I definitely like the hynautic k6 so I'll probably end up hunting one down and a few rebuild kits. Such a nice simple look.
1979 246 CCP project boat forever in development, Chesapeake Bay Virginia
Steven Koz<a href=\"mailto:Captainkoz@aol.com\"
[img]http://i457.photobuc

May 27, 2014, 11:39:30 AM
Reply #5

daniel123

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Re: Seastar vs. hynautic k6 hydraulic steering
« Reply #5 on: May 27, 2014, 11:39:30 AM »
I'm going to install a BayStar system this summer. What is the steering rig I likely have on my stock 1998 Osprey 200 and will be removing?

May 27, 2014, 02:29:48 PM
Reply #6

seabob4

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Re: Seastar vs. hynautic k6 hydraulic steering
« Reply #6 on: May 27, 2014, 02:29:48 PM »
Quote from: "daniel123"
I'm going to install a BayStar system this summer. What is the steering rig I likely have on my stock 1998 Osprey 200 and will be removing?

Most likely a Teleflex Safe-T cable helm, but also could be a Teleflex NFB unit (No Feedback)...


Corner of 520 and A1A...

 


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