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Old 07-25-2013, 03:33 PM
  #1
rye
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Default starters

I have this starter it has a large cone on the nose of it and heavy duty 12 volt I like to use it on my dle 20 what battery should I use to get it to turn the dle thanks
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Old 07-25-2013, 03:37 PM
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Default RE: starters

rye, that engine should hand start easily. Try it first. If you still want to use a starter here's the type of battery you can use. Dan.
http://www3.towerhobbies.com/cgi-bin...&I=LXL370&P=ML
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Old 07-25-2013, 04:14 PM
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Default RE: starters

I use two of those batteries hooked in series on my starter



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Old 07-25-2013, 04:18 PM
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Default RE: starters

I have another starter and I just use the battery in my truck with jumper cables.



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Old 07-25-2013, 06:26 PM
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Default RE: starters

The megatron is more that enough the other big starter looks like your trying to start a 150cc motor.
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Old 07-26-2013, 03:58 AM
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Default RE: starters

I still use a flight box battery ,for pumping glow fuel, but for a starter I use a Lawn Mower battery. There still small and very portable. They will last for years if a person will store them correctly and only need to be charged once or twice a year, plus have much more power than a flight box type battery does.
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Old 07-26-2013, 09:47 AM
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Default RE: starters

Whats a good starter set-up for a G-38,,Ihave a sullivan HI-TORK ,,but just isnt strong enough.
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Old 07-26-2013, 10:17 AM
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Default RE: starters

I would suggest a spring starter for the 38, works very well at starting the engine cold, once warmed up between flights it should start easy with a sharp smack of the prop counrterclockwise, you have to intall the prop so compression starts at about 12oclock and then pull the prop back to 3-oclock and then fling it fast over the top.
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Old 07-31-2013, 04:34 AM
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Default RE: starters

I use a cheap old Hobbico 180 starter with a 4 cell 2600 lipo to start my 30cc engines. Spins them over very fast! The starter not last a long time on that voltage but then I do not use it much. Been using it since last season. So far so good.
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Old 07-31-2013, 04:56 AM
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Quote:
ORIGINAL: rexbirk

I use a cheap old Hobbico 180 starter with a 4 cell 2600 lipo to start my 30cc engines. Spins them over very fast! The starter not last a long time on that voltage but then I do not use it much. Been using it since last season. So far so good.
I still hand prop everything, but the starter setup I like uses the LiPo's as well....
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Old 07-31-2013, 07:22 AM
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Default RE: starters

I use the sullivan dynatron up to 40cc on a garden tractor battery. For up to my G-62's, I use my millwakee 18v battery drill with adapter.
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Old 07-31-2013, 10:54 AM
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Default RE: starters

I have tried drills but they don't seem to turn fast enough. The Milwaukee works for you?
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Old 07-31-2013, 11:23 AM
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Default RE: starters

Yep, on the high speed setting.
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Old 07-31-2013, 12:40 PM
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Quote:
ORIGINAL: rexbirk

I have tried drills but they don't seem to turn fast enough. The Milwaukee works for you?
Rex, I tried drills too and was generally disappointed.

The Dynatron works adequately for up to around 40cc give or take. I've started ZDZ40 with mine. I think that compression is the key, meaning, less will allow the engine to turn over. Also making sure it's wet

Early on when my OS33 had only one or two starts, the Dynatron had a little trouble turning it over because the engine has lots of compression and was generally dry. Once I figured out it needed some fuel in there, the Dynatron worked fine.

I run 6s lipo on mine (2 900 ma 3S packs for park fliers, in series, but I think many other ma ratings will work fine. You want voltage to drive the tron)
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Old 07-31-2013, 05:00 PM
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Default RE: starters

The Dynatron turns fast enough on 12v -4800 rpm

To run a Dynatron on higher voltage, eg-24v, they just turn too fast (9600) - way beyond the high speed of gas engines

The Miller gear reduction is 4:1 reduction. So to run a Miller on a starter, the result is too slow unless you run 24V.

A Dynatron with a Miller reduction on 24v tuns 2400 rpm which I think is just right with plenty of torque (2720 in lbs). This should start a 100cc engine?

The Megatron turns 2800 rpm on 12v which is just right so I use a 85 Amp Hr 12v  battery and big wires on one and is 600 in lbs. Starts a DA 60 just fine.
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Old 08-01-2013, 03:37 AM
  #16
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Quote:
ORIGINAL: MTK


Quote:
ORIGINAL: rexbirk

I have tried drills but they don't seem to turn fast enough. The Milwaukee works for you?
Rex, I tried drills too and was generally disappointed.

The Dynatron works adequately for up to around 40cc give or take. I've started ZDZ40 with mine. I think that compression is the key, meaning, less will allow the engine to turn over. Also making sure it's wet

Early on when my OS33 had only one or two starts, the Dynatron had a little trouble turning it over because the engine has lots of compression and was generally dry. Once I figured out it needed some fuel in there, the Dynatron worked fine.

I run 6s lipo on mine (2 900 ma 3S packs for park fliers, in series, but I think many other ma ratings will work fine. You want voltage to drive the tron)
I agree on the compression. I had a ys 110 that was a bear to start because of it's compression. I have a 3W 55 that has a ton of compression also. Might take a car starter to crank it! Luckily it starts easily by hand.

I just use the starter if the engine is not cooperating or my old shoulder is sore.

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Old 08-01-2013, 06:33 AM
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Quote:
ORIGINAL: w8ye

The Dynatron turns fast enough on 12v -4800 rpm

To run a Dynatron on higher voltage, eg-24v, they just turn too fast (9600) - way beyond the high speed of gas engines

The Miller gear reduction is 4:1 reduction. So to run a Miller on a starter, the result is too slow unless you run 24V.

A Dynatron with a Miller reduction on 24v tuns 2400 rpm which I think is just right with plenty of torque (2720 in lbs). This should start a 100cc engine?

The Megatron turns 2800 rpm on 12v which is just right so I use a 85 Amp Hr 12v battery and big wires on one and is 600 in lbs. Starts a DA 60 just fine.
Never a problem with mine. I start the engines at idle. They only need a light bump and they are off.

You do make a good point about running the Dynatron at full bore tho. If an engine needs more than a second of coaxing, better reprime and try again. If one runs any of these electric starters (powered by a LiPo) at full bore for 10 seconds or more, better check the LiPo voltage after and the how hot the cells are. It's an easy way to puff a LiPo and just might let the magic smoke out
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Old 08-01-2013, 10:08 AM
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+1
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Old 08-06-2013, 04:37 PM
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I would like to add here that I found the above starters at the R/C Model show flea market and at a yard sale. I also have another Dynatron that I run in original factory configuration that also came from the R/C flea market. I had to put a new cord and rubber around the switch. I got the parts from the Sullivan web site. I also got a Sullivan Hi Tork on the cheap from the flea market that I replaced some parts from Sullivan on. But IMHO the little Sullivan Hi Tork is a terrible starter for it runs too fast at 5500 rpm.
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Old 08-06-2013, 05:20 PM
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I have a Little Giant 6:1 gear reduction with a 4 cell Li-Po. It can operate up to 24V but as others have stated that's just to fast. And as stated it only takes a bump to fire them up. So far it will turn up to a 170cc engine with ease. And as stated prior, it is not necessary but I just really do not like flipping a prop.
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Old 08-07-2013, 02:31 PM
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Default My Homemade Starter

Here is one I made out of a 24 volt electric scooter motor. I use it on two 3 cell Lipoly packs for a total of 22.2 volts. It's a torque monster. Really needs a second hand hold. Works great though. I had a little gear reduced starter running on the same 22 volts, but this guy is WAY stronger.

AV8TOR
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Old 08-07-2013, 03:10 PM
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Just in case anyone is interested, here is a new motor like I used in my starter for 30 bucks. Add a handle, a switch, and a cone and you have one stout starter for a whole lot less than they want for the high end Sullivan products.

New 24V 280W Motor My 1016 Razor E300 Pocket Rocket Mod Go Kart Electric Scooter | eBay

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Old 08-07-2013, 04:13 PM
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That one would be a perfect direct drive rpm on 24 volts
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Old 08-07-2013, 11:04 PM
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Yeah, mine works great. A couple of common 3 cell Lipoly batts do the trick.

AV8TOR
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Old 08-08-2013, 03:04 PM
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This is all I use to start my DLE30's heaps of power and self contained. From HK
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