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ST 2000 w/MS 16x10 & Mac's Pipe

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Old 11-11-2002, 11:17 AM
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MAJSteve
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Default ST 2000 w/MS 16x10 & Mac's Pipe

Initial runs (not broken in all the way yet)

High 8900 with a little surging (about 100 either way)
Low 1650

With Thrust HP program that gives 15 lbs of thrust.


Going to try different props tomorrow I think.
Old 01-26-2003, 06:15 PM
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markdam
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Default keep posting!!!!!!

i just got a ST 2000.. used, on a plane, hasnt run in years... im wondering what the tach diff is between a ST 2000 and a 2300 on the same prop??


Maj steve!!!! did you try an 18X8 ? i just bought one i hope sheel swing it........ i can take it back i suppose.....
Old 01-27-2003, 02:59 PM
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Default ST 2000 w/MS 16x10 & Mac's Pipe

As a matter of fact, I did try the 18-8 prop and based on the recommendation by an ST-experienced friend of mine went with the 16-10. Perfomance was improved by maybe 20% measured by static RPM and perceived performance in the air.

Used the 16-10 on the 2000-K I have with the same results. This guy's recommendation is based on his experience that these engine like high-pitch props more than RPM.

I also ran them smoking-rich at low and high end with an onboard 4 x c-cell glow lighter running ALL the time. Used a simple on/off switch on the side of the plane. I'd STRONGLY recommend this if you want good reliability with a rich setting.
Old 02-04-2003, 05:20 PM
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Default 2000 or 2500

is yours the 25cc or the 20cc version?


also anyone else have any figures on this engine for Steve and i to compare to????
Old 02-05-2003, 06:06 AM
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Default ST 2000 w/MS 16x10 & Mac's Pipe

ST 2000 but with the ST 4500 carb on it. Works fine that way. The ST2300 also has an 4500 carb on it.
Old 08-04-2003, 10:32 PM
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Default heres a few pix

showing my ST 2000 ill post acccurate tach data ASAP was around 7200 with 16x10 but thenagain that was the first time in 10 years she had been run each tank got stronger noticably but ididn tach her...... will this weekend


http://rcuniverse.com/showthread.php...59#post1250159
Old 08-31-2003, 06:45 PM
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scole
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Default ST 2000 w/MS 16x10 & Mac's Pipe

My ST 2300 tached at 8900 with a zinger 18x5. 10% nitro.
Old 09-02-2003, 01:25 AM
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Default ST 2000 w/MS 16x10 & Mac's Pipe

Keep in mind the 2300 is a totally different animal than the 2000 and 2500. The 2300 will turn more prop at more rpm. My 2000 turns an APC 16X8 at 8000. My 2500 turns a Mezjlik 18X8 at 8900. The 2300 boasts almost 1 full hp over the 2500 (3.7 vs 2.8). ST also said to use 15% nitro and 18% oil for these engines, not 5 to 10% nitro and 10 to 12% oil (all castor) like the others. You can use 15% nitro in the 2000 and 2500, I do and seems to do just fine. My fuel also contains 18% total oil (castor and synthetic blend).
Old 09-02-2003, 11:39 AM
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scole
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Default ST 2000 w/MS 16x10 & Mac's Pipe

What % of nitro do you use in your 2300?
Old 09-02-2003, 12:33 PM
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Default ST 2000 w/MS 16x10 & Mac's Pipe

I don't run a 2300. Researched them after I bought my others. Couldn't see buying a new 2300 just to change the carb out (mid range problems). ST says use the same fuel as the smaller engines 15% nitro and 18% oil.
Old 09-02-2003, 02:28 PM
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Default ST 2000 w/MS 16x10 & Mac's Pipe

You don't need to change the carb. I bought one used with a perry carb and an ST guru friend of mine made me change the carb back to the ST carb. He played with the needle for a minute then and the told me to run it and see what i think. That carb is awesome! The throttle response is simply amazing with a Zinger 18x5 even with prolonged idle at 1350. I guess the trick is you need to set the low speed needle right, with a piece of fuel tubing blowing into it.
Old 09-02-2003, 03:03 PM
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Default ST 2000 w/MS 16x10 & Mac's Pipe

A couple friends have the early versions and they all had mid range problems. I have Perry carbs on my 2000 & 2500. They work perfectly. Then of course ST was sold. Didn't want to get caught up in that mess!

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