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Purchased A 'FlySky' FS-GT2E Transmitter & Receiver
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 Posted: Fri Mar 9th, 2018 11:15 pm
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Si.
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It sounds like Rick was lucky & had the R.C. Gods on his side !  :bow:



If he'd gone & left it for 10 minutes to make a coffee   .   .   .  :w:


























SAFETY FIRST KIDS ! :old dude:



Don't think it COULDN'T happen to YOU ! :f:



:us:



Si.



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 Posted: Sat Mar 10th, 2018 12:13 am
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Mack Saunders
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That's exactly why I quite flying drones and using large LiPos. I don't like them at all.

I just ordered some of those small E.S.C.s.
I have a 1940 something dual wheel Ford AAA look alike flatbed truck on it's way and I might have a go at that for R.C.
I'll have to see what room there is when it gets here.

Cheers

Mack




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 Posted: Mon Mar 12th, 2018 02:56 am
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Si.
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" I hooked things up and ended up having two almost simultaneous thoughts,
Why is this not working ? and What is that sizzling sound ?

The sizzling sound was the LiPo probably self-destructing.
So I assume I crossed some wires or did something wrong.
I could hear the LiPo but at first couldn't figure out what was making that sound.
When I touched the battery it was hot and it had swelled slightly.

I immediately disconnected."



Hi Guys :w:



This kind of thing goes to show, all too clearly, that you just can't be too careful !

It doesn't have to be a fast-charged or large-battery, to go NUCLEAR !

Left unattended among papers etc. on a bench for a few minutes & the results COULD have been DEADLY !!



How big or fast-charged is a cellphone battery ?

It isn't !





Sitting on your desk with all that paperwork around it ?



BOOM !



:mex:



Si.



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' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1

' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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 Posted: Mon Mar 12th, 2018 04:29 am
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slateworks
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Having seen all this, I'm sticking with DCC and letting you chaps blow yourselves up if you wish !

:doh:




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 Posted: Mon Mar 12th, 2018 08:42 am
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dan3192
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Nice work guys!

Dan

Last edited on Mon Mar 12th, 2018 08:42 am by dan3192

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 Posted: Mon Mar 12th, 2018 12:53 pm
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Bob D
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With the billions of LiPo batteries out there (as I type on my Lithium battery powered laptop that's at least 5 years old)
the odds of burning up in a car or house fire are probably greater than this laptop catching fire.

Sure it could happen, and I could fall in the bathtub or down the stairs just as easy.




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 Posted: Mon Mar 12th, 2018 02:45 pm
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Si.
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Hi Guys :wave:



OK let's remember EXACTLY what happened here.

A guy on the Forum makes ONE WRONG CONNECTION ...

... and his battery starts fizzing, balloons & heats up !

If he had walked away & left that for just a few minutes   .   .   .   ?   ?   ?



This is VERY SERIOUS STUFF !!



I was flippant & blase about this kind of thing, when I first got my R.C. gear a few months back !

Rolled out all the usual dumb 'logic'.

Nonesense I said, It aint gonna happen to me, it only happens to idiots, it's media hype etc. etc. !

stupid, Stupid, Very VERY STUPID !!



The fundamental chemistry inside all lithium batteries, whether small or large ...

... which is what stores SO MUCH ENERGY in such a small space ...

... is essentially, with ONE small unintentional mistake ...

... A TIME BOMB WAITING TO GO OFF !!



Read what happened to Rick.

And let's realize that this has happened to a REAL PERSON WE KNOW on the Forum.

It was the result of a simple mistake, that anyone could have made.

and the results were by the sounds of things very very nearly catastrophic !



Think about it.

Then say ...

... it'll never happen to me.

Whilst the sensible folk are thinking it might & are taking precautions.



20-20 hindsight is a wonderful thing !! :dope:



:w:



Si.



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' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1

' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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 Posted: Mon Mar 12th, 2018 03:25 pm
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Tony Walsham
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I only use Li-Ion batteries nowadays.
Metal cylindrical cells and fitted with proper P.C.B. protection built into each pack
That makes them a lot more expensive but fortunately,
so far I have never had a failure either personally or with any of my customers.
In my case it is Large Scale with plenty of room.
The fitted P.C.B.s do make it much easier for charging as there is no need to remove the packs for cell balancing during charging.
 
I know of only member in my Brisbane Club who uses Li-Po packs in his Large Scale locos.
His packs are always removed and balanced away from his locos.

Unfortunately the cylindrical metal cased cells are usually way too big for the smaller scales.


I can only add to Si.s comments, that extreme care MUST be used when wiring up, charging and discharging.




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Best wishes,
Tony Walsham.
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 Posted: Mon Mar 19th, 2018 05:30 pm
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Si.
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" I just ordered some of those small E.S.C.s.
I have a 1940 something dual wheel Ford AAA look alike flatbed truck on it's way
and I might have a go at that for R.C. "



Hi Mack :wave:



Did you order the small red-board E.S.C. Electronic Speed Controller, like this one ?





I found a 3rd & different type small & affordable E.S.C. on eBay the other day as well.

I'll try and Post some pix. of it.

I'm sure there are others also.



:!:



Si.



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' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1

' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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 Posted: Mon Mar 19th, 2018 06:47 pm
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Mack Saunders
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Hi Si.

That is the same as the three that I have on the way.
I do have a different one here as well, but it is hiding at the moment.

Mack




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