Fast 170

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doppler491
Posts: 30
Joined: Thu Oct 04, 2007 6:31 pm
Location: bermuda

Fast 170

Postby doppler491 » Tue May 09, 2017 10:34 am


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Nudge
Posts: 409
Joined: Sun Feb 15, 2015 2:43 am
Location: Auckland, New Zealand

Re: Fast 170

Postby Nudge » Wed May 10, 2017 9:07 am

Looks like a fast ride alright?
Got a close up of the engine?

doppler491
Posts: 30
Joined: Thu Oct 04, 2007 6:31 pm
Location: bermuda

Re: Fast 170

Postby doppler491 » Wed May 10, 2017 6:14 pm


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Keith.P
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Re: Fast 170

Postby Keith.P » Wed May 10, 2017 8:16 pm

Interesting, How to fill your boat up with water, using the tell tail. :lol:

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Nudge
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Location: Auckland, New Zealand

Re: Fast 170

Postby Nudge » Thu May 11, 2017 9:49 am

just out of curiosity, what percentage of that motor is a seagull170? It looks real quick!!!

doppler491
Posts: 30
Joined: Thu Oct 04, 2007 6:31 pm
Location: bermuda

Re: Fast 170

Postby doppler491 » Thu May 11, 2017 1:32 pm

It's on a Yamaha leg from a 5R and then uses a 170 cylinder, head, piston, and casings (but bearings have been added).
Built it for a bit of fun to see just how fast a base Seagull motor could go. You can hear it from a mile away!

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Nudge
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Location: Auckland, New Zealand

Re: Fast 170

Postby Nudge » Fri May 12, 2017 6:22 am

I've looked at putting bearings on seagulls, this only looks practical on a 5R crank, I don't see an easy way on a 170 with 18mm main bearing journals, no one I can find makes ball races that size, how did you deal with that?

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Charles uk
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Location: Maidenhead Berks UK

Re: Fast 170

Postby Charles uk » Fri May 12, 2017 8:42 am

Reading posts like this makes me very nervous, It implies someone is giving serious thought to the subject!
Make it idiot proof and someone will make a better idiot.

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Collector Inspector
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Location: Perth Western Australia

Re: Fast 170

Postby Collector Inspector » Mon May 15, 2017 10:17 am

Nudge wrote:I've looked at putting bearings on seagulls, this only looks practical on a 5R crank, I don't see an easy way on a 170 with 18mm main bearing journals, no one I can find makes ball races that size, how did you deal with that?


Ball Races?

BnC
I hear Banjos....................start paddling!


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