Dynatron on 24v??

[Arwel]

Just bought two 4300man 12v Nicads to run my Dynatron. I tried to start one of my helis with it and it turned it over no problems, as you'd expect really!! But when the engines had an air lock, it struggled for a second before starting the engine, followed by a slight hissing sound. On inspection, I saw that the connectors had welded together!!!

Is this normal??

[xygax]

Yes supprised you didn't weld the switch thats a hand held welder you have there

Steve

[chris jones2.4]

i used mine with 2 3000mah 3s packs in series dude, no problems here

[trillian]

Are you running the two Nicads in series for 24 volts? I just got a Dynatron recently and have not used it yet. I have a 5s Lipo
for it and just got a bracket today to mount the Lipo but started thinking maybe 5s (18.5 volts) might be too much.

[xygax]

They will work ok up to 24v but at that voltage you need to watch your wrist in event of hydrolock they can give a nasty twist

Steve

[Arwel]

Its a BEAST!! I might change the connector from the starter to a Deans? 24V may be a little too much lol.

[Aidi]

Are you running the two Nicads in series for 24 volts? I just got a Dynatron recently and have not used it yet. I have a 5s Lipo
for it and just got a bracket today to mount the Lipo but started thinking maybe 5s (18.5 volts) might be too much.

5S is fine on the Dynatron. Been running one on mine for ages. You'll be fine

[Arwel]

I might take mine to RAF Valley tomorrow to see if they need any Seakings starting

[Jamin_00]

I run an old 6s lipo back in the day when I had one connected with a deans and that was way to much!

[Matt Gill]

5s pack on a Dynatron is absolutely perfect. Best heli accessory I have spent my money on, brilliant.

[derrick]

4s is fine starts everything at our field,

[ROSSCO]

I use 2x 9.6v Nimh packs on my Dynatron which give it 19.2v, mover than enough for starting 90's, but it can still cause damage to 50's if your no careful!

[flatspins]

24v is prone to welding the switch on if it stalls,
On 22v it doesn't seem to do it.

[Steve]

4s is fine starts everything at our field,

Ditto, including 25cc plane 4 strokes as well. No probs.

Sorry, I've lost interest in the thread by just staring at Arwel's avatar...... again!

[chris jones2.4]

a fellow flyer has his on 3s but when i needed to start my very highly compressed 26cc petrol engine, i jsut stuck his on a fully charged 6s, thats 25v and its fine, no noises, the switch perfect and it over revs the engine lol