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Martinb

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    29
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About Martinb

  • Birthday May 23

Profile Information

  • Gender
    Male
  • Location
    Hampshire

Previous Fields

  • Occupation
    NHS
  • Boat Name
    Ptarmigan
  • Boat Location
    Cartbridge Basin

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  1. Martinb

    Sr3 charging

    Hi bizzard, ok looks like we have around a 6-7"pulley. How easy is it to change the pulley? The shaft that the pulley sits on goes through the back of the engine behind the boxes steps. Is this simply pulled out of the engine and another pulley put on or do we need to be moving the engine forward to put a new pulley over the end? Sorry we are not experienced mechanics so the terminology may not be 100%. I assume then we need to increase the belt size to the alternator?
  2. Martinb

    Sr3 charging

    Hi Tony, we are on the wey, due to be back sunday then on and off over the next week
  3. Martinb

    Sr3 charging

    I do recall this being mentioned before so will check,
  4. Martinb

    Sr3 charging

    We never see it go.above around 63% We normally start between 55 and 60%
  5. Martinb

    Sr3 charging

    The smartguage is showing 61% charged and the volt shows 12.8 with engine running I think we perhaps need someone with electrical knowledge to take a good look and see if there is anything that doesnt look right or isnt working as it should. We have limited knowledge of these things so are a little blind to all this.
  6. Martinb

    Sr3 charging

    Yes we have a meter like this. It never drops throughtout a journey. The engine has been running now for a couple of hours and its around 13 at the moment, not the greatest dial to get a accurate reading. They only time we ever see it any lower is when we have gone from our marina on hook up and then out with fully charged batteries. Normally for a odd weekend we dont notice it but we are out on the thames currently and have seen a difference in what power we have despite 5+hours cruising a day.
  7. Martinb

    Sr3 charging

    Pass sorry my technical knowledge is limited
  8. Martinb

    Sr3 charging

    True, friends on another boat can run there boat for 2 days with no charge and have all manner of electrial items on board, microwave, large tv coffee machine. We can only dream of such luxuries 😴
  9. Martinb

    Sr3 charging

    Sorry my limited knowledge, the smart guage shows between 12.8 and 13volts when the engine is running, the amp meter on the control panel is showing around 15amps. Does it sound by what I have said our alternator is not up for the job, it was a replacement from RCR when our old one went. Sadly this was soob after we bought the boat so cant comment if the old one was any better. There is a QR code on the alternator so will see if i can get the specs for it once the rain dies off a little
  10. Martinb

    Sr3 charging

    The amp meter shows about 15, the smartguage shows voltage at 13 but will drop when the engine is off
  11. Martinb

    Sr3 charging

    The 12.6 is seen after switching the engine off and on our smartguage. Our amp meter on the panel seems to be showing around 15, its an analogue dial. Sorry boater sam the 12.6 is not the charging but the charge voltage after the engine switches off.
  12. Martinb

    Sr3 charging

    Hi all. We have a air cooled SR 3 with one starter and 3 new 130ah leisure. We are noticing that despite cruising for 5-6 hours we are not getting above 12.6 at most. We are running a 2000w inverter and 240v fridge. We have a single alternator charging the batteries. Even if we turn off the inverter when cruising it doesnt get any higher. Any ideas why we are not getting a full charge as we are finding we can barely last 24hours with not alot running.
  13. Martinb

    Smoking SR3

    Thanks Tony, really helpful. We have never done full speed from stationary. We are based on the Wey so river based cruising is all we tend to do. Will give your suggestion a go though and see what we get. In fact we find she tends to prefer being pushed a bit rather than chugging along. The engine has always started well and ticks over nicely with no banging or clanking. Its 19HP so not a fast engine by any means but does what she needs to do. Reverse has never been great but perhaps thats down to HP? She does tend to take a few seconds to pull the boat into reverse compared to other NB with younger and more powerful engines. Promising to hear I dont have to dig deep for any major repairs.
  14. Martinb

    Smoking SR3

    Thanks Tony, not sure what you mean by OP but anyway. Taking on board your comments I would have thought this would have been seen all the time (the blueish smoke) but this does disappear once the engine has warmed up. The blackish smoke only appears if thrown into reverse quickly and to extreme so the explanation of excess fueling feels plausible. If it was a prop issue wouldn't this be seen in forward and reverse? She was recently taken out for blacking at the prop was not damaged in any way. I am not expert by any means so always interested to seek views and opinions on what is "normal" for this type of engine.
  15. Martinb

    Smoking SR3

    Thanks Cuthound. So the blue and black is normal if seen in the circumstances mentioned?
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