# \#compare **URL:** https://discuss.bluerobotics.com/tag/compare/100.md [Latest](https://discuss.bluerobotics.com/latest.md) · [Categories](https://discuss.bluerobotics.com/categories.md) · [Tags](https://discuss.bluerobotics.com/tags.md) --- ## [DVL Recommendations](https://discuss.bluerobotics.com/t/dvl-recommendations/10775)
**Author:** [@cymal6](https://discuss.bluerobotics.com/u/cymal6)\ **Replies:** 16\ **Last updated:** [December 3, 2025, 4:57pm UTC](https://discuss.bluerobotics.com/t/dvl-recommendations/10775 "2025-12-03T16:57:05Z")
Hello, everyone. I’ve decided to install a DVL on my BlueROV2 based on everyone’s opinions. So, I don’t know which DVL to install, and I would like to know which DVL you recommend. I often see the “DVL A50” by Water L… --- ## [A Fleet of Small USVs - 2024 Info Compilation](https://discuss.bluerobotics.com/t/a-fleet-of-small-usvs-2024-info-compilation/17312)
**Author:** [@nicolettep](https://discuss.bluerobotics.com/u/nicolettep)\ **Replies:** 12\ **Last updated:** [August 27, 2024, 4:41pm UTC](https://discuss.bluerobotics.com/t/a-fleet-of-small-usvs-2024-info-compilation/17312 "2024-08-27T16:41:42Z")
Hey blue folks! You know we’re always out here trying to share information, so we’re back with another comparison chart, and we’re not just scratching the SURFACE :wink: This time around we are comparing all the details… --- ## [A Sea of Small ROVs - 2023 Info Compilation](https://discuss.bluerobotics.com/t/a-sea-of-small-rovs-2023-info-compilation/15585)
**Author:** [@emiller](https://discuss.bluerobotics.com/u/emiller)\ **Replies:** 4\ **Last updated:** [December 5, 2023, 9:20am UTC](https://discuss.bluerobotics.com/t/a-sea-of-small-rovs-2023-info-compilation/15585 "2023-12-05T09:20:47Z")
Hello subsea enthusiasts! We need your help :smile: Our mission at BR is to enable the future of marine robotics and we think one of the biggest barriers in this industry is the lack of transparent information. (I think… --- ## [A Smooth Operator’s Guide to Underwater Sonars and Acoustic Devices](https://discuss.bluerobotics.com/t/a-smooth-operator-s-guide-to-underwater-sonars-and-acoustic-devices/14712)
**Author:** [@nicolettep](https://discuss.bluerobotics.com/u/nicolettep)\ **Replies:** 0\ **Last updated:** [July 14, 2023, 2:28pm UTC](https://discuss.bluerobotics.com/t/a-smooth-operator-s-guide-to-underwater-sonars-and-acoustic-devices/14712 "2023-07-14T14:28:36Z")
Hello hello! No need to ask, through city lights and business nights, we’ve managed to come up with the perfect guide for beginners and sensitive hearts! Dive into A Smooth Operator’s Guide to Underwater Sonars and Acou… --- ## [Which parameters to compare when choosing camera for underwater operation?](https://discuss.bluerobotics.com/t/which-parameters-to-compare-when-choosing-camera-for-underwater-operation/14064)
**Author:** [@avatar](https://discuss.bluerobotics.com/u/avatar)\ **Replies:** 1\ **Last updated:** [April 6, 2023, 10:37am UTC](https://discuss.bluerobotics.com/t/which-parameters-to-compare-when-choosing-camera-for-underwater-operation/14064 "2023-04-06T10:37:05Z")
I’m working on an ROV and have the task of selecting a camera for underwater operation. Our goal is surveillance of underwater objects at a maximum depth of 300m. Which parameters of cameras should I compare? Like resol… --- ## [Brushed vs brushless motors](https://discuss.bluerobotics.com/t/brushed-vs-brushless-motors/13383)
**Author:** [@Rov36](https://discuss.bluerobotics.com/u/Rov36)\ **Replies:** 4\ **Last updated:** [March 25, 2023, 9:09pm UTC](https://discuss.bluerobotics.com/t/brushed-vs-brushless-motors/13383 "2023-03-25T21:09:53Z")
Are brushless motors inefficient? My ROV uses brushed motors in a sealed pods driving an open propeller. It was pure guesswork but works well and drives my ROV quite fast at 24v and 3 amps max. per motor. I was thinkin… --- ## [New Product: The T500 Thruster!](https://discuss.bluerobotics.com/t/new-product-the-t500-thruster/12192)
**Author:** [@rjehangir](https://discuss.bluerobotics.com/u/rjehangir)\ **Replies:** 8\ **Last updated:** [January 31, 2023, 7:33am UTC](https://discuss.bluerobotics.com/t/new-product-the-t500-thruster/12192 "2023-01-31T07:33:22Z")
Originally published at: New Product: The T500 Thruster! - Blue Robotics We have a new product to thrust upon the world: the T500 Thruster! It will be available through pre-orders, starting on Thursday, May 26th, at … --- ## [What is the difference between the old O-Ring sets and the new ones?](https://discuss.bluerobotics.com/t/what-is-the-difference-between-the-old-o-ring-sets-and-the-new-ones/12845)
**Author:** [@Alex\_UJI1](https://discuss.bluerobotics.com/u/Alex_UJI1)\ **Replies:** 1\ **Last updated:** [September 1, 2022, 1:03pm UTC](https://discuss.bluerobotics.com/t/what-is-the-difference-between-the-old-o-ring-sets-and-the-new-ones/12845 "2022-09-01T13:03:26Z")
Hello, I want to purchase some spare 4" O-Ring Sets. I own a BlueROV with the old NON-locking style flanges. I am being recommended by the store to purchase the old O-Ring sets which are more suitable for the old flange… --- ## [BlueOS official release](https://discuss.bluerobotics.com/t/blueos-official-release/12024)
**Author:** [@patrickelectric](https://discuss.bluerobotics.com/u/patrickelectric)\ **Replies:** 14\ **Last updated:** [June 21, 2022, 8:30am UTC](https://discuss.bluerobotics.com/t/blueos-official-release/12024 "2022-06-21T08:30:06Z")
For the last several months, during BlueOS B.E.T.A, we’ve been working hard to make a smooth, functional, slick, and shiny software, and :sparkles:BlueOS 1.0 release :sparkles: is the result! In this post: A bit of c… --- ## [USBL Systems Comparison](https://discuss.bluerobotics.com/t/usbl-systems-comparison/9223)
**Author:** [@mortenurrang](https://discuss.bluerobotics.com/u/mortenurrang)\ **Replies:** 9\ **Last updated:** [July 20, 2021, 3:51pm UTC](https://discuss.bluerobotics.com/t/usbl-systems-comparison/9223 "2021-07-20T15:51:08Z")
We are planning navigation for a BR2 used on a small rescue vessel (15m). After looking at both Water Linked and SeaTrac (X010) they looks to be almost identical in price. Do any have some user experience or inputs? Th… --- ## [BlueROV2 R3 differences](https://discuss.bluerobotics.com/t/bluerov2-r3-differences/10562)
**Author:** [@Daverov](https://discuss.bluerobotics.com/u/Daverov)\ **Replies:** 3\ **Last updated:** [September 9, 2021, 11:50pm UTC](https://discuss.bluerobotics.com/t/bluerov2-r3-differences/10562 "2021-09-09T23:50:14Z")
What are the differences between Bluerov2 and upcoming BlueROV3?! --- ## [3 Alternate Ways to Extend the Run Time of the BlueROV2](https://discuss.bluerobotics.com/t/3-alternate-ways-to-extend-the-run-time-of-the-bluerov2/9402)
**Author:** [@nicolettep](https://discuss.bluerobotics.com/u/nicolettep)\ **Replies:** 0\ **Last updated:** [April 6, 2021, 4:35pm UTC](https://discuss.bluerobotics.com/t/3-alternate-ways-to-extend-the-run-time-of-the-bluerov2/9402 "2021-04-06T16:35:41Z")
Originally published at: Alternate Ways to Extend the Run Time of the BlueROV2 - Blue Robotics We wrote this post for our blog but figured we’d share it here as well… hope you enjoy! We’re often asked “How do I ma… --- ## [Definitive guide to different types of sonars and the data they produce](https://discuss.bluerobotics.com/t/definitive-guide-to-different-types-of-sonars-and-the-data-they-produce/6392)
**Author:** [@projectseabed](https://discuss.bluerobotics.com/u/projectseabed)\ **Replies:** 5\ **Last updated:** [November 26, 2019, 5:39am UTC](https://discuss.bluerobotics.com/t/definitive-guide-to-different-types-of-sonars-and-the-data-they-produce/6392 "2019-11-26T05:39:07Z")
Hey all! After combing the web for something that succinctly and clearly explains the different types of sonars out there and all the different types of data they can produce - I realized there was nothing out there that… --- ## [Comparing PyMavLink and MavRos](https://discuss.bluerobotics.com/t/comparing-pymavlink-and-mavros/5608)
**Author:** [@billmania](https://discuss.bluerobotics.com/u/billmania)\ **Replies:** 1\ **Last updated:** [July 24, 2019, 1:00pm UTC](https://discuss.bluerobotics.com/t/comparing-pymavlink-and-mavros/5608 "2019-07-24T13:00:48Z")
I’m designing a teleop application using the browser as the GUI with an ROV2. I plan to use Python for the logic between the browser and the ROV2. I’m looking for information which compares pymavlink to mavros. I’d like … --- ## [Lumen subsea comparison](https://discuss.bluerobotics.com/t/lumen-subsea-comparison/4869)
**Author:** [@shangarot15](https://discuss.bluerobotics.com/u/shangarot15)\ **Replies:** 3\ **Last updated:** [May 2, 2019, 6:08pm UTC](https://discuss.bluerobotics.com/t/lumen-subsea-comparison/4869 "2019-05-02T18:08:46Z")
Hi guys, I have got 2 versions of Lumen subsea lights. The first one is from 2 years ago and the newest are from the current stock. I wonder why does the previous version dissipates less heat than the current version. … --- ## [Basic vs Advanced Electronics Package](https://discuss.bluerobotics.com/t/basic-vs-advanced-electronics-package/1604)
**Author:** [@wholtzclaw](https://discuss.bluerobotics.com/u/wholtzclaw)\ **Replies:** 4\ **Last updated:** [October 17, 2017, 1:13am UTC](https://discuss.bluerobotics.com/t/basic-vs-advanced-electronics-package/1604 "2017-10-17T01:13:25Z")
My daughter is getting ready to make improvements to her basic ROV that she built last year for science fair. We have been discussing the different stabilization packages, and are going to be ordering an electronics pack… --- ## [Comparing Thrust from Electric Prop Devices](https://discuss.bluerobotics.com/t/comparing-thrust-from-electric-prop-devices/1534)
**Author:** [@Bret](https://discuss.bluerobotics.com/u/Bret)\ **Replies:** 2\ **Last updated:** [September 27, 2017, 8:39pm UTC](https://discuss.bluerobotics.com/t/comparing-thrust-from-electric-prop-devices/1534 "2017-09-27T20:39:38Z")
I thought that there would be some small difference between propeller devices as far as efficiency of converting power (watts) to force (lbf). I wanted to compare thrust from from different trolling motors with the T200 …