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What caused this ?
i heard about this when i was at teeside, and could smell it too but missed the big poof of smoke ! lol
what caused it ? http://www.racephoto.co.uk/stu/teeside/1.jpg Garry D. |
a short circuit
his car got hit then stopped my guess is somin then shorted out in or on the speedo. problem was the batts were soldered in so could not be unplugged easy |
I think you'll find that what has gone wrong there is the 'magic smoke' has escaped from the speedo.
As most people know there is 'magic smoke' inside all electronic components which allows them to work. Once the smoke has escaped they cease to be. However, at this point they can make very good little silicon heaters (as shown above). Here endeth the first electronics lesson, next time I'll explain where the mirrors come into it! :) G |
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Garry D. |
Northy, do certain esc's have more 'volatile' secret smoke than others, causing them to pop, and I assume, once the smoke has escaped, the unit is then scrap?
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Looks painfull though :( |
I've heard, one company who specialises in 'Smokey' speedos uses a process of extraction to get this smoke from the river wharfe!!! You can even smell the Yorkshire dales in this smoke.
mmmmmmmmmmm |
I believe there are various different qualities of smoke. You can get cheap mass produced smoke from China, even 'fake' smoke from China would you believe. This smoke can be a little volotile, a bit like IB cells :D :D
You obiously pay more for higher quality European produced smoke, as it is injected into the components using really big cool looking machines (like the pie making one in Chicken run) which cost money. In china some little guy uses a sqringe. You also have to treat the smoke with respect, don't try to use all its power to quickly (Star-Trek, 'she will no take any more captain' style), which is perhaps where some speedo manufacturers are going wrong. They should probably use more smoke, or higher quality smoke. But this would put the price up I'm affraid. G |
Darn, is this smoke ecologicaly freindly, will it increase my Carbon Credits, so if I have an ESC which has let its 'smoke' go, I will need to go plant some dandelions and daffodils??
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I heard next year the speedo's need to be "Kyoto approved" before they are allowed to be sold!
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northy
do motors contain this magic smoke too? or is it a different smoke and can you tell us about the mirrors lol |
I just typed "magic smoke" into Google at work and the results got blocked by the IT filter. Strange that :confused:
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northy is this the machine that creates the magic smoke ?
http://www.eecs.case.edu/courses/leg...03_09_full.jpg Garry D. :eh?: |
this can be the guys avator who smoked his speedo lol
http://www.magsmoke.com/images/MSELogoB150x150.gif Garry D. |
Wasn't just magic smoke, it had an eternal flame before it went out
@ least it wasn't the batteries going pop ran the cells through a Pro-Trak the same day and he's lost 1 cell out of the pack. 1 nearest the esc. He'll get a 12th 4 cell practice pack out of it though. Chassis also melted a little but didn't burn through. He poled the B with it. Motor. not sure if it still runs. ESC & Motor have gone back as warranty claims. Will post the out come when I know more. |
Hmm. Just looked at this thread...
I can now smell the 'magic smoke' emitting from the FET (Fog Emitting Thingy's). It does look like the ESC (Eggy Smoke Container) has emptied itself of contents.. :wtf: |
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About the mirrors, well I could tell you, but then you'd know as much as me! :) G |
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what if the ESC is made in jamaica, does it contain "special smoke" ? :p
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Graham.
Loved the smoke explanation :) I wonder how brusheless work then, it did always confuse me, is the smoke in the motor ! Seriously though, who solders their cells in ! Seems a bit overkill to me, I like the idea of un-plugging it, if it goes wrong. I guess it had a switch, but I assume that went pop too ? |
Black wires are the work of the Dark Side indeed, in brushless systems Smoke contained with The Force they are, but not by the Dark Side, never.
Gold plugs transport well enough Smoke in my opinion. Mirrors - also the work of the Dark Side - he who has knowlege of mirrors is a devisive and disruptive influence - yes. |
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and loads of others, more common than you think and safer than any connector |
Alot of people
A |
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I however do not think it makes the slightest bit of difference to your every-day driver. As long as your plugs are in good order the benefit is tiny. Safer? Glenns car maybe proved otherwise. I have never had a plug come out during a race but I have been glad of the chance to unplug quick, for the same reason that Gelnn could not. How many times have we seen a top drivers dad legging it through the pits an a national frantically shouting "WHO HAS AN IRON ON?". It's not for me - too much hassle. |
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Did you see the picture in the 1st post ! Plugs are quite common on most electrical items, allows you to un-plug them in an emergency. I find them most usefull and will continue to use them :) |
I can't beleive there are people these days that solders in cells?
Surely that should be banned on safety grounds? Are these same people going to one day solder in Lipos? |
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Not my car but Adam Walker-CatchFire. oops that should be Catchpole. He races 12th nationals and is @ the club most weekends and like others prefers to solder the cells in. He might just change that for the weekend @ the Chesterfield GP after Sundays experience. I've been racing since 93 using powerpoles 1st then corallys and can't recall either unplugging. |
Ive only had a corally pop out once so Id hardly say plugs are unreliable but I dont see a problem with soldering in. Although the benefit may be minimal if you have your iron on alot of the time its not much of a hassle, just preference really.
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main reason for soldering they don't come unplugged in the race and less resistance they don't produce heat through shorting why do all the big lads do it ??? simple it gives you a edge, and at the speed top lads are at now it may be just the edge to win. for Joe bloggs at club level,it may be not such a good idea IE my speedos on fire, then well it would reduce damage but lets face facts once the MAGIC SMOKE has leaked its dead anyway one resistor or the whole board(teesside) its still dead so unplugging make no difference there, your still looking for a new speedo. so why not solder |
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paul bradbury dave bailey adam skelding matthew latham colin brenan and all major big league guys do this u lose loads of voltage and produce heat in the cables through plugs and yes we have had plugs even corralys come of a cause us to lose a race |
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I just think any such sport requires rules that place people on some sort of level playing field and one of them should be that the battery must be unpluggable in the event of an emergeny. Common sense really. I hate soldering anyway :D |
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you even need spanners to do that and in case you rally nuts are reading yes rally cars have a battery isolator switch but it doesn't stop electrical fires buy unplugging after the smoke has been released its still buggered, even before the magic smoke has come out there long gone. so un plugging it does nothing and how many marshals have had there fingers scorched unplugging someones car, me on more than one occasion, |
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Or look at it another way: In the short time I have been back in racing I have already watched in astonishment as someone got half way through soldering up a pack of cells and left the iron on whilst racing / marshalling then coming back to finish the job. These are the same pits that have kids running around the place. If everyone soldered in their cells you are asking for trouble. Are we going to have 100 irons on in the pits. Crazy. Bring back the Tamiya connector !!! |
by unplugging it means no more damage will be done.. as in the car could go on fire..
The big boys do it because the theory is right, but they can afford to have their cars on fire if a problem will ever occur. I'll be keeping connectors for the ease of use, safety and keep it the lazy boy way! and i'm 100% sure i'll not notice a bloody thing, and neither will your Mathew! You also forget to mention the other drivers who do use connectors, who are up there at the top also. It's down to prefference, and wether or not people can be arsed with the bother! |
Carl, Please take this in the light hearted manner it's intended, it's a wild guess, but I think I may have being marshalling before you got into this 'hobby' (never forget that lads it's important, this isn't a sport!), anyway I digress, I've had to marshall plenty of cars in my time that have had the speedo go POP, it used to be quite a regular thing in the good old days, anyway when a speedo goes, what happens normally is that the motor runs at full power and it's uncontrolable. Quite alarming really.
Now correct me if i'm wrong, but wrangling with somones car on your knee, running at full power with smoke coming out of it isn't good. Thankfully, when this has happened to me i've being able to, wait for it.... unplug the batteries. Horray ! Suprisingly this has the desired effect and renders the dangerous projectile usless and it can sit and smoke in peace. If I am ever Unfortunate enough to marshall an out of control car that has the cells soldered in, i'll simply leave it to it's own devices, it's simply too dangerous to handle in my opinion. Maybe i'll leave it to one of the 'Big-Lads' to sort out, they'll know what to do ! :):):) |
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I think that about sums it up :D |
we have noticed and I'm sure anyone else thats solders in there cells, a big difference in heat in the car, its way less when we have been soldering in cells, you can see a difference,motors run cooler cells are cooler,and we aren't sponsored yet we pay for all our own stuff,
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yes its easier to UN do battery's that have plugs (and please use good plugs corally deans etc)not bloody white tamiya kak lol, but as i said you will see more unplugged cells come lose than speedos blown up, i would much rather take the risk of frying my speedo because i solder than have a car stop I'm the middle of a final because i used plugs my humble opinion, |
When im racing i always have some basic stuff in my pocket such as slipper spanner wheel nut wrech and some pliars.
So if this ever happened to me i could just cut the wires. A |
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