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Bullfrog technology

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MarKee:
The argument that you can get maximum power in every seat is not a good one. It may appear that you are getting maximum power, but that's only because the JetPaks are restricting the flow.  With a properly designed diverter valve you can take power from an entire pump and focus it on one seat, rather than waste power in unused seats.

av8r:

--- Quote from: MarKee on September 16, 2015, 02:49:53 am ---The argument that you can get maximum power in every seat is not a good one. It may appear that you are getting maximum power, but that's only because the JetPaks are restricting the flow.  With a properly designed diverter valve you can take power from an entire pump and focus it on one seat, rather than waste power in unused seats.

--- End quote ---

Since each JetPak has a flow control valve on it you can do the same thing with them as with a tub that has a diverter valve.  You do get more control with the BF design.

Why do you believe the JetPak design is "restricting the flow"?  BF has done studies in fluid dynamics on their design that indicate otherwise.

Spatech_tuo:
I've always rolled my eyes at the 90% less plumbing sales pitch but now I see the spa they're comparing it to lol. It looks like its one of those off brands where they put 100 jets in it and the hilarious part is how poorly its plumbed, its ludicrous. Look at all those hanging hoses that are FAR longer than necessary which simply adds cost and increases friction and is hard to believe anyone would actually do that. Was that really another brand or was that someone in Marketing telling the Engineers to make a sample for the photo and really do a sloppy job so it shows a ton of unnecessary hose? Its like Cadillac touting their car by showing it next to a Yugo.

Racenut:
Yeah, that does seem to be an extreme example, but that's advertising!  But 90% or 50%, it's still a lot less plumbing and fewer fittings buried in foam.  After fixing a dozen or so leaks in my old tub, I started referring to jets as "leak opportunities". So the fewer the better.  If it's more efficient too, then bonus!

As for diverter valve or not... you can shut down any seat you want if you're worried about "wasting power".  And maybe on the one pump models you might want to.  But with two pumps and all the seats wide open, there is a lot of jet power in every seat.  So if the JetPaks are restricting the flow or wasting power, you sure don't notice.

You want "technology" in the tub?  How about variable speed pumps?  That would be nice.

av8r:
OK, so let's actually figure it out.

Here's a Sundance Spa.  Is that more relevant to you?



QCA Spa...looks pretty tidy, no?


Bullfrog view



So I see ~ 40 - 50 tubes on the 2 sides of the Sundance shown.  I count 6-10 on the BF tub.  So 40 (at a minimum) vs 10.  That's a lot better than 90% less plumbing, no?

I agree on the variable speed pumps.  No reason I can think of that they shouldn't be used.  They're a lot more money, but very reliable.

I'm sure there's a lot of advancements that could be made, but I suspect as long as people don't know and keep buying what's being offered, there will be no reason for companies to do more than add more lights, waterfalls, speakers and wifi stuff to keep the selling going.

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