Search found 35 matches
- Oct 24th, 2013, 5:06 pm
- Forum: Control Systems and Tethers
- Topic: battery question
- Replies: 6
- Views: 3224
Re: battery question
This is a more expensive one: http://www.ebay.com/itm/12V-2Amp-Xtend-Charger-and-Tender-for-12V-7-5AH-Sealed-Lead-Acid-SLA-Battery-/271268106739?pt=Battery_Chargers&hash=item3f28d6d1f3 You can easily get them cheaper from china if you don't mind waiting about a month for them to come. Like this ...
- Oct 24th, 2013, 4:35 pm
- Forum: Control Systems and Tethers
- Topic: battery question
- Replies: 6
- Views: 3224
Re: battery question
You could easily get a few of these batteries and wire them up in parallel for a pretty long run time. http://www.ebay.com/itm/Sealed-Lead-Acid-battery-for-GP1272-F2-GP-1272-BATTERY-12V-7-2AH-/121188434887?pt=US_Rechargeable_Batteries&hash=item1c3764c3c7 I have used the 7.2aH lead acid batteries...
- Oct 10th, 2013, 6:38 pm
- Forum: Control Systems and Tethers
- Topic: Tether disconnect ideas?
- Replies: 5
- Views: 3412
Re: Tether disconnect ideas?
On the datasheet for the 400 it says that the contacts are sold separately. What does this mean? How to do you actually connect a wire to the plug?
- Oct 5th, 2013, 9:36 am
- Forum: Control Systems and Tethers
- Topic: Tether disconnect ideas?
- Replies: 5
- Views: 3412
Re: Tether disconnect ideas?
Haha thanks! Ya think I would be able to get a sample from them?
- Oct 4th, 2013, 9:33 pm
- Forum: Control Systems and Tethers
- Topic: Tether disconnect ideas?
- Replies: 5
- Views: 3412
Tether disconnect ideas?
Does anyone know of a connector/coupler for a cat5 cable? I'm trying to make my cable detach from the ROV instead of cementing a 100' cable to it. It could be like a cable to cable connection, or it could be cable to ROV hull connection. It would preferably be less than 20$.
- Oct 3rd, 2013, 9:28 pm
- Forum: Thrusters
- Topic: ROV thrut calculatin
- Replies: 3
- Views: 2746
Re: ROV thrut calculatin
I'm sure there are formulas that can be used, however they are very complex fluid dynamics calculations. They are waaay above me right now.
- Oct 2nd, 2013, 5:36 pm
- Forum: Get Your Feet Wet
- Topic: DC current safety question
- Replies: 2
- Views: 2671
Re: DC current safety question
You shouldn't run into many problems of your voltage is only 12v. You may damage the battery of it is submerged, but the electricity shouldn't be an issue. Also, I'm guessing it's a lead acid battery, so I'll also add that it may leak acid into the water if you get it wet.
- Oct 2nd, 2013, 6:27 am
- Forum: Control Systems and Tethers
- Topic: arduboat control board
- Replies: 3
- Views: 3278
Re: arduboat control board
I'm not sure how well a gps signal will travel through water. However, I have also recently gotten into multirotors so i'm very interested.
- Oct 1st, 2013, 4:22 pm
- Forum: Get Your Feet Wet
- Topic: Optimum thruster RPM?
- Replies: 2
- Views: 3044
Re: Optimum thruster RPM?
Well all that I can help with is the brushless motors typically from hobby websites. For these, the lower the rpm, the better. Realistically, any kv rating of less than 1000 should work well. If you spin your prop too fast, the water will cavitate and you will loose thrust. Generally the lower the r...
- Sep 24th, 2013, 5:42 pm
- Forum: Your ROV Projects
- Topic: First ROV project!
- Replies: 4
- Views: 3501
Re: First ROV project!
Here are some more pictures of my progress. You make notice some different thruster housings. I changed them to 3" pvc for durability. Also, like a dope I broke the shaft of the motor for my vertical truster while drilling the housing. I guess I'll have to order another one. http://i.imgur.com/...