Electric starter 6 s batteries

[Tom Foley]

I have a coiplevof Dynatrons with the Speedmaster handles looking to go to a lipo so I can downsize my super heavy , bulky stater box . Currently using Dynatrons on 24v and very happy with the power. Looking for a recommendation for the capacity and C number . Thanks ! Pic for attention .

 

[Mark Bullard]

Use two 4s in series. That will give you about 28 volts. But you should take the starter apart and the wires that go to the com use a piece of good string like nylon and wrap the wires next to the com with a few layers and then CA the string and let it set. This will keep the wires from slinging out at speed. I do this to all of my starters whatever voltage their used on.

 

[Daniel's Racing]

Use two 4s in series. That will give you about 28 volts. But you should take the starter apart and the wires that go to the com use a piece of good string like nylon and wrap the wires next to the com with a few layers and then CA the string and let it set. This will keep the wires from slinging out at speed. I do this to all of my starters whatever voltage their used on.

That is 33.6 volt fully charged. Yikes.

Talk about overdriven. I can only imagine the locked rotor current on that setup.

I have used 6S (25.2 volt@full cap) which gives you way more oomph that the lead acid/gel cell type 24 volt power. Starts most gas and 1" Nitro pretty well.

Any 6S LiPo of 5000 mah and 50C or better is appropriate for the Dynatron

 

[Mark Anderson]

Tom reach out to Mike Hughes. He ran a dynatron on lipos for years.

 

[Mike Hughes]

At the time I built it, I used some 45C 2500mah batteries. Had 2 3S in series. Made it small and compact. I had no problem starting boats for the weekend. 5000 would be a better choice. Go a couple of weekends with that.
Mike

 

[LohringMiller]

When I ran gas I used a standard Sullivan starter on 4S 5000 mah lipos. Old lipos that weren't good enough for racing worked fine. Later I added a 2S lipo in series to give 6S. They were good enough in 2008 to start not only my boats but another racers as well all day.

Lohring Miller

 

[Tony Jacuzzi]

Here is my starter box with a Dynatron and a Sullivan both about 20 years old. Wire lead ends converted from alligator clips to bullet connectors, 6S 75C Turnigy 4000 that was put in service in 2020. Cheap canvas tool pouch (but light), this setup has never failed to start my stuff.

 

[Tom Foley]

Here is my starter box with a Dynatron and a Sullivan both about 20 years old. Wire lead ends converted from alligator clips to bullet connectors, 6S 75C Turnigy 4000 that was put in service in 2020. Cheap canvas tool pouch (but light), this setup has never failed to start my stuff.

I have two starters with my own custom handles that I use regularly on 24 volts but the batteries are heavy and need replace ment every three years . I will keep them back at my pit and want to use the less cumbersome lipo setup on the small start tables we have to use . You have a good setup .

 

[Daniel's Racing]

15 years ago before Lipo was so much a thing. Case was full of NiMh cells from Dewalt cordless drill batteries. 20 cell setups in there so I could center tap(2 X 10 cell) it and charge with 12 volt to each half of the pack.

A much smaller case with a XT 90 connector to carry/protect the the 6S Lipo inside would be nice.