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  1. tpenfield

    2024 Daytona 500

    With all those crashes, those cars need 200 mph bumpers. :ROFLMAO: Joey (Logano) was pissed at being crashed out on lap #193
  2. tpenfield

    Too Fast Approaching the Dock

    Definitely need to be more careful :ROFLMAO:
  3. tpenfield

    Impeller reminder for 3.9 4 5 7.5 ...Mercs

    I hate replacing the impeller on these motors (mine is a 1969 7.5) . . . and they seem to be short-lived. I'm getting about 3 years on an impeller.
  4. tpenfield

    Owners manual needed

    Greetings . . . I'm not sure how much of a manual exists, but where have you tried looking (online)? There are some owner's resources on the Sea Ray website and the Club Sea Ray site. If you Google search a few things come up, but nothing specific.
  5. tpenfield

    2024 Daytona 500

    It says postponed . . . Do we get Monday off so we can watch it? :unsure:
  6. tpenfield

    Bought my first boat to cut, gut and rebuild from bow to stern, including engine. Killed my back and suffered the wrath of the fiberglass demons

    I would put back as much foam as was there originally, if not a bit more. The ability for the boat to stay afloat in an 'unplanned event' is really important in just about any situation. I also noted from the pictures that you have not cut out the main stringers that run either side of the...
  7. tpenfield

    2024 Daytona 500

    Lot of crashing . . . has there been an overtime finish without a huge crash on the last lap ??? :ROFLMAO:
  8. tpenfield

    Closed cooling worth the money?

    FWC kits have gone up in price over the past 10 years, but still worth the money. I've owned 3 I/O boats in salt water . . . the first one was raw water cooled and died a painful death at 20 years. The other 2 with FWC will probably live forever. Make sure what ever kit you add is a Full...
  9. tpenfield

    2024 Daytona 500

    Thanks for the reminder . . . I always like watching the race. Go Joey !!!! :cool:
  10. tpenfield

    LiFePO Batteries ???

    After several times going back & forth on the design approach, I have decided to go with a dual output controller (rather than the dual input controller) The EPEver controller has a nice feature of providing only a trickle charge on the second output, which is what would be typically needed for...
  11. tpenfield

    Bought my first boat to cut, gut and rebuild from bow to stern, including engine. Killed my back and suffered the wrath of the fiberglass demons

    Looks like good progress . . . this boat is certainly bringing "tinkering' to new level. :LOL:
  12. tpenfield

    something new coming in electric OB

    As far as conversion to electric . . . it is mostly about the storage of the electricity that constrains the practical applications. In a similar situation in the computer industry about 27 years ago, the challenge was all about network bandwidth. I remember attending tech conferences and...
  13. tpenfield

    Mercruiser vs. Volvo parts availability

    You might be able to answer that for some specific Volvo parts and compare to the equivalent parts on an Alpha drive. As an example . . . this hose lists for $190 in V-P, but you can get it for $170 ish. An equivalent Mercruiser may require 2 hoses, but only around $130 total. So, estimating...
  14. tpenfield

    something new coming in electric OB

    It came up on one of my Google searches as well.
  15. tpenfield

    something new coming in electric OB

    I commend the attempts to push the envelope, but . . . it seems that certain things needing a lot of power (boats, airplanes, etc.) just are currently not good candidates for electric power. I would enjoy replacing my 7.5 hp Mercury for the dinghy with an electric version, but not my primary...
  16. tpenfield

    2024 Super Bowl !!

    I got to watch SB 1 on a color TV :LOL:
  17. tpenfield

    LiFePO Batteries ???

    Getting ready to spend some money on this next month and will need some new wiring. The main battery wiring is AWG 2/0 and other wiring looks to be AWG 6. Not sure if I'll need any of the 2/0 since I'll be surplussing some in reducing the number of batteries.
  18. tpenfield

    2024 Super Bowl !!

    I'm good with either team winning, especially the 49ers. :D
  19. tpenfield

    LiFePO Batteries ???

    One area of the design that has me thinking/re-thinking is when the engines are running the voltage on the output side of the FET Isolator will probably be higher than the input side as per the schematic below . . . Approximate voltages shown at the FET Isolator. . . I'm not sure the FET...
  20. tpenfield

    LiFePO Batteries ???

    I have decided to go with the approach of charging the LFP batteries, then let the LFP's the charge the AGM's. Since the LFP's 'rest' at about 0.5-0.8 volt higher than the AGM's, it might be a more effective approach . . . electrons going 'down hill' to my way of thinking. The features of the...
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