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The AV1 had a 17 AH battery so it would usually be fully discharged before it overheated. I have been through this, there is nothing to absorb the heat from the motor. I surrounded the motor with aluminum heat sink but it didn't help much, just a few extra minutes, no place for the heat to go...

Christmas Palms beach today. Julie's Wall is straight out.

I have lived and been diving here for 30 years and Christmas Palms is the best shore dive site on the North Side. Used to be one of the most popular shore dive site on the north too before that house was built and they put a chain across the entrance. It is a few hundred yards to the wall, and...

A few years ago I reconfigured a lithium battery to 12 volts in an AV1. Don't remember exactly, but it overheated even faster than the lead acid battery. Once the heat sensor opens it can take a long time to cool down. I swapped a gear reduction and heat radiation plate from a damaged AV2 and...

Amazon sells DC wattmeter power analyzers for $15-20. I have used several, they are reasonably accurate, or you can buy an Eagle Trees e logger V4 for more. You can fit it inside and see what you used during the dives, the elogger graphs the power used at different power settings and the total...

You need the scooter to weigh 20 kilos, 44 pounds, to be neutral. As that battery weighs 5 pounds and the original was close to 20 pounds and made the scooter slightly negative, you will need to add 13.5 pounds of lead to just be neutral, and the performance will be similar to the original SLA...

Can't say what others do but I keep mine closed up. Never had a problem. If you get a prop strike, usually from loose dive gear, and the prop gets wobbly, or twisted with fishing line, the seal can leak a bit. I service a few for friends and their leaks are usually from careless assembly or...

Don't use grease, it keeps dirt stuck on. I wipe the plastic seal area with a tiny amount of plastic safe silicone spray after many dives. Thousands of dives, (no kidding by the way) and never had a leak in one I closed. Do not let anyone else close them unless familiar with them. On rare...

Do you mean you removed the bulkhead and replaced the wiring to the motor? The red light means the water sensor is either wet or shorted across the terminals, or failed, and doesn't allow the motor to run. Intermittent is often corrosion somewhere. They are simple and parts are not expensive...

Simple. Have more than one! I have no problem finding buddies and it's more than twice as much fun :)

Clean the four knitting needle like pins in the motor case next to the battery and put light grease on them to prevent corrosion. Remove the aluminum cover on the board inside the upper case. There are eight little fingers that make the connection to the pins in the motor case. Make sure they...

Divers World 345 949 8128 rents tanks to go. If you all go in the first time with your cards you should be set. Contact them and ask in advance.

There are great shore dives in Breakers and Northside, they require a little time on the surface to get there. PM me

"After using the DVP several times, both underwater and on the surface" Power remaining lights don't mean much, how about running around in circles near the boat until it quits. SeaDoo claims 3.7 MPH, what are you seeing? Note that is faster than the fastest tech dive scooters. In the past...

The one I use is discontinued, it had a temp sensor, this one doesn't... All-Battery.com: Tenergy Smart Universal Charger for 19.2v - 24v, 3.5A NiMH/NiCd Battery Packs haven't used it..... Batteries look like those at bottom of page....

A 75 minute dive today. Starts at 54 minutes, over at 132, the rest is transit and washing. As you can see, max is 15 amps, (it can be a little higher with two divers on it) total used in 78 minute dive was 7400 mAH, the batteries will run to 18000 mAH, so less than half of capacity. Went to the...

Search my posts in the archives, more info there. Hi capacity D cells with tabs and connect 20 pairs in series. Parallel isn't recommended for NiMh but it is what works to get 24 volt 20 amp, and they have had hundreds of dives with little loss of capacity, still 95%. Two blocks of 5X4 cells...

On high pitch, the AV1 will go a little faster if in new condition with clean motor brushes, but it will overheat with continuous use in warmer water and cut out after 20 minutes or so. The discharge rate on high is 35 amps at 12 volts, so it is really hard on the battery. Eventually the grease...

The classic is not variable speed, just on off with three speed adjustable prop pitch. Evo has variable speed trigger and same adjustable prop. VS is really nice. Allows divers of different size and skill to run at the same speed. Kittiwake Scooter Dive - Cayman Islands - YouTube ( going slow...