Offshoreonly.com

Offshoreonly.com (https://www.offshoreonly.com/forums/)
-   Nor-Tech (https://www.offshoreonly.com/forums/nor-tech-143/)
-   -   Any Cheap Nortech Cats (https://www.offshoreonly.com/forums/nor-tech/153090-any-cheap-nortech-cats.html)

salesmanship 04-23-2007 07:59 AM

I've noticed the slight porpoise on the PR videos too. However it's always the FPC runs where the fleet is running around 70 MPH. That's the worst speed because the air is not lifting the boat yet. It's like a plane trying to reach flight speed. Until the tunnel is fully packed it will pick up some and then fall back. The 36 doesn't achieve level flight untill around 80 MPH. Up to that speed you can use some tab to keep it level.
If you do watch the videos they usually run the boats up to speed and then everything looks great.
Terry

Jassman 04-23-2007 11:17 AM


Originally Posted by salesmanship (Post 2102715)
I've noticed the slight porpoise on the PR videos too. However it's always the FPC runs where the fleet is running around 70 MPH. That's the worst speed because the air is not lifting the boat yet. It's like a plane trying to reach flight speed. Until the tunnel is fully packed it will pick up some and then fall back. The 36 doesn't achieve level flight untill around 80 MPH. Up to that speed you can use some tab to keep it level.
If you do watch the videos they usually run the boats up to speed and then everything looks great.
Terry


Terry is that the same with the Arnesons or do they ride bow down slightly cause of the design. I think a 36 with the new infused vacuum bag set up with Yanmars and ASD-8's would be a great set up. Over 100 mph, insurable, and fuel effecient.:rolleyes:

Cash Bar 04-23-2007 11:47 AM

Thanks TS, I didn't think I was imagining it.

dreamer 04-23-2007 12:55 PM


Originally Posted by salesmanship (Post 2102715)
I've noticed the slight porpoise on the PR videos too. However it's always the FPC runs where the fleet is running around 70 MPH. That's the worst speed because the air is not lifting the boat yet. It's like a plane trying to reach flight speed. Until the tunnel is fully packed it will pick up some and then fall back. The 36 doesn't achieve level flight untill around 80 MPH. Up to that speed you can use some tab to keep it level.
If you do watch the videos they usually run the boats up to speed and then everything looks great.
Terry

so in a 525 boat u have to be at what rpm to hit 80?

salesmanship 04-23-2007 01:16 PM

Because of the lower gear case, a 525 boat with Bravos doesn't have the same characteristic as the # 6. So the porpoise is minimal at most speeds. I think 80 MPH is around 4200 to 4500 RPM.

Jeff, since the ASD has no bullet it doesn't force the nose down while the wind is trying to pick it up so there is almost no hop.
BTW folks we are building hull # 70 right now so they can't be too bad!

WeaponX 04-23-2007 07:50 PM


Originally Posted by Chuck (Post 2101672)
Mine never did. All cats will bounce a little while they are searching for air. But if that is a problem the Nor-Techs can adjust out of it with a little drop of the tabs.

This is a untrue statement. Not all cats bounce.

MTI :D

Chuck 04-24-2007 06:08 PM


Originally Posted by WeaponX (Post 2103690)
This is a untrue statement. Not all cats bounce.

MTI :D

My sincere apologies:rolleyes:

WeaponX 04-24-2007 06:23 PM


Originally Posted by Chuck (Post 2104721)
My sincere apologies:rolleyes:

Accepted.:rolleyes:

drypipetiger 04-24-2007 07:41 PM


Originally Posted by Chuck (Post 2104721)
My sincere apologies:rolleyes:

Get ur $hit together! :evilb:

Chuck 04-24-2007 07:53 PM


Originally Posted by drypipetiger (Post 2104896)
Get ur $hit together! :evilb:

I'm trying. If you happen to be in the capital district area this weekend give me a call. There may be something you would like down here.


All times are GMT -5. The time now is 03:43 PM.


Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.