My Dolphin: Now I'm getting rid of it

[CarlD]

My understanding is that the Blue Diamond (and Pearl) use a bag that is rated at 2 microns while the Dolphin has a 20 microns bag. Thus, the water is going to look much cleaner with the BD/BP as many tiny particles that scatter light are being removed with the BD/BP.

Hard to believe. The BD bag is a thin, single layer. The Dolphin bag is triple layered.

[brent.roberts]

I've been pretty amazed at the fine stuff the Dophin bag picks up. Just a brown haze in the cloth.

If I'd had this last year I likley would not have changed the sand filter for a DE.

[brent.roberts]

Just so everyone else following this thread knows. I send a message to Maytronics in Isreal directly and challenged them to join this discussion.

While they may be monitoring it, they did not respond to me and have not made any comment here.

That was about a week ago.

Pretty poor.

[cleancloths]

The thickness of the bag has very little to do with the micron rating. You can have paper thin filters with very low ratings while a thick burlap bag would have a very high micron rating. Maytronics states that they filter down to 20 microns will the Blue Diamond and Blue Pearl claim filtration down to 2 microns.

[brent.roberts]

Carl

If the Blue Diamond can accept the filter of the Dolhin, the fit should also work the other way, so those of us with Dolphins might get better filtering with the Blue Diamond filter.

Could you try that for to see if it is workable ?

[CarlD]

Just so everyone else following this thread knows. I send a message to Maytronics in Isreal directly and challenged them to join this discussion.

While they may be monitoring it, they did not respond to me and have not made any comment here.

That was about a week ago.

Pretty poor.

Just to be fair to Maytronics: They HAVE been in touch with me, I sent them this link, and they tried and were UNABLE to access the thread.

I sent them a text ver of the thread up through yesterday morning.

Brent, I think they should have responded to your eMail, but if you don't have an actual repair issue with Smart Pool you can reference, I can understand it being low priority with them.

Or else they felt that since they were in touch with me, that was all that was needed. I don't know--I do not know what they were thinking but they ASSURE me they are all over Smart Pool like stink on a skunk.

[cheshamjim]

Question for Brent: The Dolphin I sent back was the Diagnostic model, very basic with no user programmability or joystick. I don't think it could teach itself anything.

Those models that are supposed to be self programming -- wouldn't they have to have somekind of encoders and/or sensors to acquire data?

-Jim

[brent.roberts]

About the only thing I think they could do is have a level switch that started a timer when they went up a wall. A simple program on a chip could capture the time it took between hitting walls and figure out something about the pool lenghth and width.

From observing mine all that the timing would do would be to tell it how long to spend going in each direction so it had some time when it hit the surface to creep along the waterline ... doing 2 things. First it would actually be scrubbing the waterline a bit and secondly repositioning it for a reverse run across a new section of bottom. I have notice that mine does not spend a lot of time scrubbing walls at each end of a run. Almost all the scrubbing at waterline and creeping along, is at the same end of the cycle. This ends up with the thing actually going around the pool in the same direction in each cycle. When you take it out to clean it and reverse the handle, it goes around the other way. Not very sophisticated "robotics" but it kinda works. It does generate a random pattern that eventually, in like 6 hours, covers the bottom of a traditional 16x32 pool. But if it was real smart it could cover that area in less than an hour.

There appears to me to be no encoders. No idle wheel that senses that it has hit an obstruction. It might sense current draw on the motor when it hits an obstruction but that seems unlikely. It might also sense that it has not gone up a wall in a while and know it has hit an obstruction. I think Carl reported that his Diamond did that when it hung up on his ladder.

By the way I have never challenged the Dolphin with a ladder. Took the ladder out and left it out. Neither Kreepy Krawly, nor Barracuda, nor Polaris ATV could work with the ladder in.

[Pool_Mike]

Why do you want to get rid of me

... Sorry bad joke

[hzz]

I have a ladder....Dolphin seems to have no problems with it.

I am beginning to think I am lucky....