Don't know if this has been thought of before, but I made a diagram that shows a more effcient way of wiring up anti-spark devices on high voltage applications that will save you time, money and material. No modification needs to be done to your battery packs.

Interesting, but I would like to see how you do one in reality, (photos), as cable flexibility including the resistor section can be important.

I haven't done one yet, but I don't see there being a problem as the resistor wire is going to be light gauge and very flexible. Your concern would be identical either way you wire it. I can wire up one this week and take some pictures.

What's the big deal? It's been done much the same way for years.

I have yet to see a wiring diagram like the one I posted. Usually modification is needed to both battery pack and esc wiring requiring lots of materials and time to do, especially if you have several battery packs. Similar to this:

Also an article just published in Model Aviation pg94 also shows the less effective way of doing this. I wrote to the author of the article to explain my way.

I also just noticed on the RC-warbirds site, they have the same diagram that I just made for bullet connectors, but use that last one I posted for deans? I had never seen this before. Kind of figured I wasn't the first one to think of this.

The only downside I can see is the extra bulk of the additional connector. I use 4mm bullet connectors on my 450 heli packs, and I'm not sure I could fit another connector inline - but then there's not much of a spark with my little 450 packs.

Well it's one more connector if you don't have one, but if you do it the other way it's going to be a lot less connectors and a lot less work to set up all your packs. That was the point, not whether you need one or not. The spark is not a good thing.

Yes, no offense intended, I can see the overall benefit of only having to mod the ESC, and keeping all the packs standard. I was just saying the additional bulk of the extra connector was the only downside I could think of. When I get around to building a 600 heli, I'll definitely consider adding the anti-spark device, if the ESC doesn't already have one built in.

To me, the bullet connectors from esprit models seems to provide the simplest method of preventing the spark.

http://www.espritmodel.com/jeti-afc-...s-4mm-75a.aspx

But, I'm cheap, and a simple resistor on my current bullet connectors will suffice.

The Turnigy Dlux 80 amp ESC has an arc supressor built in where a red wire coming out of it is touched to the main plus wire before you plug it in. Works very well

Gord.

Originally Posted by flypaper 2

The Turnigy Dlux 80 amp ESC has an arc supressor built in where a red wire coming out of it is touched to the main plus wire before you plug it in. Works very well

Gord.

I have that very ESC in the marine model and I could never get the connection made fast enough after touching, and would get a spark anyway. In other words, there is no way (the way it came) to make the resistor connection, and then the main connection without breaking the resistor connection.

http://scriptasylum.com/rc_speed/nospark.html even gives you a resistor calculator

Antslake: I had the same problem till I took a bit of heatshrink peeled back where the wire solders to the Deans. Now I hold the jumper wire to that till I connect the Deans. No problem.

Gord.

This looks like a simple one, though it means the resistor lead is exposed and 'live' -

https://www.rcgroups.com/forums/show...69&postcount=3

It's from this thread - anti spark in the Castle Creations vendor forum.