Flow 3.0 - Is it good?

[SONIC]

Ask and ye shall receive.

[dakota4ce]

That’s a gigantic actuator for 2.25”! Weird looking. Seems like it’s as long as a Lenco body is for the 4.25” version.

What’s the actuator look like In the up position? Not familiar with Bennet at all. Looks like it’s mounted exactly like a Lenco would be—really far outboard on the plate. I would have expected the opposite.

Are the plate dimensions similar?


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[SONIC]

The tabs are same basic dimensions as the GSA tabs

They are Bennet Bolt actuators, their newer line to compete with Lenco.
Nice thing is lifetime warranty so no more having to buy new lencos every few years lol They warrantied one that I broke with a misalignment without question.
Only downside is the bottom mount is plastic where the lenco is metal.
13.75" length 2.5" stroke. (I misspoke on the 2.25 if that 1/4" matters to anyone )



They make kits to convert lencos over so I assume they are the same dimensions essentially, but the bolts are larger in diameter.

[tre]

I don't have anything to add here but I find this a super interesting conversation. I learned a lot more about how these systems work. I've wondered, all summer, how my Supra can make such a great wave equally weighted when my old Supra needed to be listed to make a good wave. We tried listing the new boat and the wave was worse. These systems want equal weight and really are ingenious.

[dakota4ce]

I don't have anything to add here but I find this a super interesting conversation. I learned a lot more about how these systems work. I've wondered, all summer, how my Supra can make such a great wave equally weighted when my old Supra needed to be listed to make a good wave. We tried listing the new boat and the wave was worse. These systems want equal weight and really are ingenious.

All about the yaw! Gets that rooster tail away from the wave face and cleans that mess right up. Pretty sweet!

GSA plates make yaw with the vectoring channels built into the plate. Very slick design.

[SONIC]

Surf systems have come a long way in just a few years that's for sure.
Many different approaches can all create a great wave Surfgates (malibu), Tabs (SC, Tige, Mastercraft, centurion, etc) and NSS (nautique) are all different approaches to the same goal and they all work.

[jnr4817]

This is a great discussion. With the 2.0 system being on many boats out in the wild a manual or synchronized way of adding the 3.0 lip would be a big hit. I’m a nurse and work on people so, I have nothing to add except a boat I’ll trial something you good people can come up with.

[Shoebox]

What? Never heard of it.

Just kidding. I know this.

The small plate on 3.0 adds a yaw moment. That’s what I was clarifying.

My comment about it being mythical is because their patent uses that term, but applies to everything. It really is a brilliant patent but is far too broad. But it’s too late for that critique, though.

I am going to patent accelerated convergence and sue them.


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Yeah I know, it wasn't really directed at you, more the guy who you were replying to.

[Shoebox]

He would really only need 5-7 degrees below the boat bottom—thats where all mine were best. Of course considering errors in measurement. Measuring that angle is different every time it seems.

This pic looks like you have a lot of down travel.

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He said he has 30 up and 14 down. Not sure what my up was, looked similar to his, and I had it set to 18 down - too much as you noted, 5 was perfect. But not too different than what he had, and adjustable depending on which mount hole was used, and where I mounted the lower mount. I suppose you could get significant up and 6-8 down with a short throw actuator.

You can see in this pic of the smaller tabs I made as well, I could get between 12 and 30 down depending on where I placed the lower mount.

[SONIC]

Yeah as you know a small movement in the actuator mount can have a large effect on the deployment, looks like on your small tabs about an inch of placement difference yielded 18 degrees of change.
Through a lot of trial and error on placement for both ends i was able to get the extension and retraction that I wanted with the 2.5" actuator.
It would have been easier with the 4.5" version but I wanted to give the bennetts a try and they don't have the long throw versions.