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  1. #21

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    The Magnus uses a generic motor which is manufactured to our specifications, with a proprietary winding and unique mechanical shaft dimensions. It will not fit into any other brand scooter.

    The connectors you refer to (they are called Anderson connectors) have been used in Submerge Scooters since before the other company you mentioned, even existed.

    Quote Originally Posted by pwl4476 View Post
    I'm sharp enough to know that looks don't mean anything, but in the pictures posted at the Magnus link that sure looks like the same DC brushless motor that is in a Dive-X Cuda. Right down to the machining in the case and the connector to the battery.


  2. #22
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    Ok, I spent a few days riding Edd's around sidemount stuff last week, so I'll throw my input here. I Normally I ride an N19- I was sure that I would hate the trigger thing (too much going on) but I have to say that is not the case. The first speed is nice and slow, about like an N19 on 3 or 4, and then the middle speed is more like an N19 on 9, and then the third speed is WAY too f'n fast. I suppose it would be nice if you just scootered around JB in 100 foot viz and 50 foot passages all day, but that's not what I do. If you scooter around on speed three (with the prop cranked to 9 of course) in limited viz, or small passage, you're gonna knock your head off sooner or later. Helmet might or might not help. But for you power cave suckers, yea, this is gonna be the ticket.

    The best part of the three speed business is this- Switching speeds is effortless- you don't have to stop, put both hands in the shroud to twist the pitch dial, just wrist bump, and you are at a new speed. This is particularly nice if you are behind someone who is constantly on and off the trigger, you can just step down or up to keep up with them, rather than having to adjust your prop all the time. If you have to slow down for a tight spot to minimize silt, just kick it down, and motor through, then power up on the other side. Very smooth.

    There are some quirks. First, the damn thing beeps. Not often. Not loudly, just enough to make you stand around and go "What the F was that beeping noise?" Took me two days to realize it was the scooter. Edd had never heard it. I think it only does it when the battery is plugged in out of the water, not sure what the deal with that is. It also plays music when you first plug it in. I think it wants to go swimming.

    Second, it's loud. Like a harley. OK, that's not really true, but it is significantly louder than an N19 in the water. Interesting.

    There is no more torque than an N19, and I don't notice any from that. If you are so weak your hand hurts from holding a scooter, hit the gym.

    Burn time. Numbers look good, but I've not talked to anyone who rode it to a battery stop. I want to know where that is, and at what speed. I keep killing my N19s and I need something that really has the burn time they are advertising (5 hours?) Will that be true? Who knows.

    So, yea. It's cool. $6500 worth of cool? If you are doing exploration and you need the burn time, yes. It is that cool. If you are tooling around JB every weekend? No, probably not.

    I'll have one, as soon as I can slip one in on the wife- fortunately, they look very similar to an N-19 to someone who doesn't pay that much attention to her dive gear.

    Hmmm...


  3. #23
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    Default thanks for the input

    Great input. Thanks.

    I didn't hear any beeping, but I heard the voices telling me to go faster.

    Interesting comment about no more torque then a N-19. When I demoed the Magnus, I found the faster the setting the greater the torque, which from a physics perspective only makes sense to me. But then again, I’m a scooter novice.

    I agree the wrist bump to transition from one speed to another is very smooth and well designed.

    I also agree the top speed is really only preferable when scootering up stream in high flow. I found the top speed to be perfect to get through those few spots in JB that have kicking flow. For me, the limiting factor with the top speed was the additional stress it put on my arm and wrist (and other body parts around the crotch strap) with the torque. But like I said, I’m a novice at the scooter, so maybe my technique is lacking?

    When not in high flow I found the medium speed to be perfect for a comfortable ride.

    I enjoyed my experience with the Magnus and plan to rent this scooter from Edd every time I dive JB until I can afford to purchase one of my own.

    dean


  4. #24
    Moderator CDF-STAFF Member
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    Quote Originally Posted by deanme View Post
    I also agree the top speed is really only preferable when scootering up stream in high flow.
    NOPE!

    Downstream in high flow was the ticket. Going from the second breakdown (p800') to the first (p500') at JB was the funnest 4.8 seconds of the ride! I could really feel the wind in my hair. (How many things were wrong with that statement?)

    Whoever said money can't buy love never bought a puppy.

  5. #25
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    Quote Originally Posted by deanme View Post
    ...For me, the limiting factor with the top speed was the additional stress it put on my arm and wrist (and other body parts around the crotch strap) with the torque...
    Next time, try adjusting the tow line. If it is not centered properly where it goes through the snap link at the crotch strap, it will try to roll your whole body over. This is true for any tow behind scooter.

    Forrest Wilson (with 2 Rs)
    Any opinions are personal.
    Sump Divers

  6. #26
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    You know, that is a strange comment to me. The tow line should be free-running through the snap attached to your crotch ring. There should be no adjustment necessary. If you are knotting the tow cord around the clip the scooters are almost unmanageable- you have to have that free running loop to slide back and forth (right to left) if you really want maneuver the scooter as it should be.


  7. #27
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    Quote Originally Posted by rchrds View Post
    You know, that is a strange comment to me. The tow line should be free-running through the snap attached to your crotch ring. There should be no adjustment necessary. If you are knotting the tow cord around the clip the scooters are almost unmanageable- you have to have that free running loop to slide back and forth (right to left) if you really want maneuver the scooter as it should be.
    It is only a problem, if it *isn't* free running. Some people get the tow line stuck on their dry suits, etc, and it makes the scooter pull to the side, and it acts like really high torque.

    Forrest Wilson (with 2 Rs)
    Any opinions are personal.
    Sump Divers

  8. #28
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    Default

    After the first time I scootered my SM rig with the 1" crotch strap I put a 2" crotch strap on immediately after getting out of the water.

    "Is this thing on?"

  9. #29

    Default Warning beep

    The Magnus motor electronics has a warning beep which can be heard even when the scooter is assembled. This is to remind you to disconnect the batteries from the electronics whilst in storage. Otherwise, the batteries will be completely discharged (down to the hard cut-off) after about 2 months from a fully charged pack.

    It will beep during a dive, but not while the scooter is running. It's every 90 seconds or so.

    So unlike a UV-42 that was left in a cave at 290 feet for 12 months in salt water and it STILL RAN, a Magnus battery pack would be discharged after such an ordeal.

    Thanks for an excellent review!

    Rodney


  10. #30

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    Are the metal plates mounted on the shroud supports standard or something that is being tested? What effect do they have on the scooter?



 

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