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Swollen Yuasa Battery

Discussion in 'Technical Help' started by rodericb, Jan 8, 2019.

  1. I am going to ask all the mobile phone, laptop, electric toothbrush, and GPS manufacturers, they seem to like Lithium as do some bike manufacturers, Ducati being one.
     
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  2. Great, I have sold my aircraft with a Rotax 912S that had a regulator that was crap. I now have Ducatis with much better regulators. Never had any problem with the lithium on the aircraft though.
    I wonder how many people who would not risk fitting a lithium on their bike either smoke or are overweight, it is all a perception of risk.
     
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  3. Just for the record @Bob T before you saddle up....i agree with you...all of my bikes have lithium batteries....and theyre all fine
     
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  4. Just pulled some info from the post above your silly response: when compared with light aircraft in a Ducati there is the added issue of hotter environments due to the close proximity to the exhaust on some installations - especially on the 848 / 1098 / 1198 as well as others :motorcycleduc::bomb:

    NiCd or NiMH: This type of battery has never been installed by REMOS. There is no experience with this kind of batteries. This type of batteries may not be installed.
    Li-Ion or LiPo: Lithium batteries of this kind (Li-Ion or Li-Po) have an excellent power-to-weight ratio. Unfortunately, some failure modes may lead to thermal and/or mechanic instabilities. These batteries must only be charged with special chargers in a safe environment.
    On high thermal or electric stress, Li-Ion and LiPo batteries tend to self-ignition. Such a fire is highly energetic and cannot be extinguished in flight. Huge amounts of toxic smoke gas may be emitted. Batteries of this type are not suitable at all for installation on REMOS aircraft and may never be installed.
    Lithium-Ferrophosphate Lithium-Ferrophosphate batteries (LiFePO4) are well suitable as aircraft battery as long as certain conditions and guidelines are kept during installation. This type of battery exhibits a much less dangerous characteristic in case of a failure. However, in case of a failed voltage regulator or excessive overstress, even this kind of battery may emit toxic smoke gas.
    In case a lithium battery shall be installed on the aircraft, only LiFePO4 batteries may be used. Never ever install lithium ion or lithium polymer batteries. But even LiFePO4 batteries need to be protected from overvoltage. In case this type of battery is exposed to excessive voltage, which may occur during a voltage regulator failure, even a LiFePO4 battery may be destroyed in a thermal runaway and may emit toxic smoke gas.
     
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  5. The point is, he knows a hell of a lot more about all things electrical than most on here and seeing at its very most basic, its a safety thing....and its electrical...and thats what he does ...ive got lithium batteries fitted....thats my choice, and i can totally understand the people who dont want to fit them and their reasoning.
     
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  6. Finm, that's a cut and paste from an Aircraft Safety Bulletin you are disagreeing with - so here's a picture especially for you...

















    image-48029464-funny-baby-pic.jpg











    :p
     
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  7. so sensitive.
    chill, i agree the risk is increased.
     
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  8. I'll check the girlfriends vibrator, see what batteries she uses
     
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  9. Watch out for any toxic gasses being omitted under extreme usage conditions.


    Anyhoo I took the bike or for a quick spin last night and the voltomagic in the display maxed out at 13.9. The Earth-X battery I have is, I believe, LiFePO4 and their thing is light aircraft batteries.
     
  10. [​IMG]

    We get it.
    You don't like Lithium batteries and despise the use of them without proper hardware in place.
    If he wants one on the bike let him have one.

    There are enough people on here with lithium and that want lithium for you to perhaps consider that it might be worth you just advising what he needs to do in order to make it safe for him rather than standing in a pulpit spouting fire and brimstone.

    Would a reg/rectifier replacement suitable for Lithium batteries be a recommendation of he were to go that route or do you think that the bike will still grenade and go nuclear as a punishment to all Lithium loving heretics?

    People are going to do it anyway, so just educate them on how to do it right if that's what they want.... please :)
     
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  11. I'm pretty sure that's what I've been trying to do.....
    After a valium to calm you down a bit first, have a quick reread of my posts .:eyes:
    Perhaps some Lithium in your diet may help with the brain activity issues?

    FACT: I like Lithium batteries.
     
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  12. That was the information that I was after for a long time, but no one seems to know, even those who spend their lives standing on the soapbox telling us that lithium batteries are evil.
    Eventually it was Derek who looked into it and found that Ducati fit the same reg/rec to their bikes that have factory lithium as they do to all of their modern bikes, so just fit and forget as Ducati do.
     
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  13. Ridiculous, fekkin' ridiculous :scream:
     
  14. That's not how I read what Derek posted. My take on what he said was that the Ducati models that came with either a lithium or lead acid battery both used the same reg/rec, so retro--fitting a lithium battery to that model would involve no more risk than if you had bought it with the lithium battery installed as OEM.
    Personally, I don't think he was suggesting that therefore you can fit a lithium battery to any "modern" Ducati and it will be fine.
    I don't want to put words in his mouth though, so maybe he will clarify.
     
  15. It's very simple.

    People who have researched the dangers here don't object to folks who have also looked into the subject and who have determined that the risks don't apply to them.

    What people who have researched the dangers object to is any suggestion that lithium batteries are perfectly safe and that you can fit them without a thought or a care. They are concerned that the take-away message from retro-fitted lithium battery users is that "lithium batteries are nothing to worry about".

    Pleased and proud to have helped out. Again.

    Thread closed.
     
  16. What Derek said was that the lithium equipped Pani has the same reg/rec as my Supersport 939, which also has the same one as the wifes Monster 821 (my knowledge). It can therefore be assumed that Ducati are not fitting anything different just for the lithium battery.
    There you are Aircon, I have written so that you can put yet another face plant on my post, sad.
     
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  17. Isn't there a suggestion though (by others) that the location and installation of the reg/rec is as important as the reg/rec itself, so even though it may be the same reg/rec, if the bike was not designed with lithium in mind, there may still be an elevated risk.
     
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  18. This has been discussed before and what you are saying is nothing different to what I have said in the past re the Pani - that does not mean if you fit a Lithium battery to say a 1098 with the same Reg / Rec as a Pani it won't fire - because they do, largely due to the much hotter environment they work in. And the UK manufacturer of the Mofset type Reg / Recs says do not use with their products - he used to have pictures on his web site of burn't out Ducati's including a Paul Smart.
    No problem with anyone taking the risk, but they need to know the dangers and decide for themselves - don't know why you are so hung up over this advice tbh :thinkingface:
     
  19. [​IMG]
     
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