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  1. BobR

    Air gap mounting for flexible panels

    Has anyone have experience / opinions on how to provide an air gap under flexible panels to allow for air flow to underside of panels for cooling. This is for an installation where weight is an issue so flexible panels are required.
  2. BobR

    Efficiency of combined PV and alternator charging.

    I am planning my solar/alternator charging system for my powerboat.: [ (2) 230 AH 24 volt Lifepo4 batteries, 70- 100amp alternator, approx 1,000 watt pv panels. This will be installed in the summer of 2023. My question/ observation is the problem of the alternator regulator seeing the output...
  3. BobR

    Finding Chinese evasion tactics U.S. to expand solar panel tariffs.

    “ December 2, 20224:47 PM EST (Reuters) - The United States will impose new duties on imports from some major Chinese solar panel makers after a months-long investigation found they were trying to dodge tariffs by finishing their products in Southeast Asian countries, trade officials said on...
  4. BobR

    TVS load dump protection

    I am looking for information on design and construction of a load dump clamping device for a 24volt marine installation. Or the source for a device to purchase. I have just started looking into these; I understand they are used in electric autos. I don't know enough yet to ask the proper...
  5. BobR

    Pyrotechnically generated aerosols for electrical fires

    Here is some interesting information on fire suppression" This takes you to a link to download a PDF of 'This study aimed to evaluate the use of Pyrotechnically Generated Aerosols in electrical fires.' https://lup.lub.lu.se/student-papers/record/4316533/file/4316537.pdf
  6. BobR

    Excerpt from a farmer written romance novel

    Her body tensed and quivered as she felt wave after wave surge through her body. I probably should of told her about the new electric fence.
  7. BobR

    Scams

    I ordered a book called "How to scam people online" two months ago. It still hasn't arrived yet.
  8. BobR

    Boat based solar failures

    This is an article in Professional Boatbuilder magazine by Rod Collins; owner of 'Compass Marine' and the website MarineHowTo.com. This would also be relevant to the Up In Smoke thread. https://www.proboat.com/2022/07/solar-charge-controller-failures/
  9. BobR

    NEW TECHNOLOGY

    Solar power with wind back-up. Warning! do not attempt to use when temperature is below 32 degrees F.
  10. BobR

    Free E-book for beginners

    I am not affiliated with this site; They have an ebook that explains solar for beginners, 207 pages, https://tocatchthesun.com/
  11. BobR

    PRAYER FOR BOB

    PRAYER FOR BOB The pastor asked if anyone in the congregation would like to express praise for answered prayers……….Brenda stood and walked to the podium. She said, “I have a praise. Two months ago, my husband, Bob, had a terrible bicycle wreck and his scrotum was...
  12. BobR

    Calculator for wire size for boats

    Here is a free calculator for wire size on boats and some good articles about boat electric and other stuff. This is Nigel Calder's site. They sell courses there but this is free. I am not associated with this site. https://boathowto.com/knowledge-base/
  13. BobR

    Received 230 AH EVE cells

    Just received 16 230 AH EVE cells. Docan Tech with Jenny Wu. Here are some pics; I will post more info after I unpack all of them and begin testing
  14. BobR

    Un-scientific test on conductivity of plywood/osb

    I took a piece of plywood and a piece of osb. I ran water on them for about 1 minute and then blotted them with a paper towel. The meter probes are about 5/8" apart
  15. BobR

    Cold solder joint power supply.

    Cold solder joint on power supply alligator clip I was getting ready to use my power supply and pulled the cover off off the alligator clips and found this.
  16. BobR

    New to the group

    New member here; been reading and learning a lot. In the middle of building a new boat, 38 ft power, for cruising Florida, Bahamas and points South. I will be using 24volt LifePO4 batteries, 800 watt+ solar panels and engine alternator for charging. Thanks to everyone here that shares their...
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