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ST2300 rpm's

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Old 10-19-2008, 05:16 PM
  #1
DoubleDD
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Default ST2300 rpm's

new and still breaking in. roughly 4-5 tanks so far and 16x8 master airscrew 3 blade with idle @2300rpm's and high @ 8100rpm's. In funtana 90.
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Old 10-28-2008, 01:36 PM
  #2
flyingeezer
 
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Default RE: ST2300 rpm's

hi doubledd this is my first super tigre and here is the figures i have so far after about a gallon on the bench
original carb original muffler backed 200rpm from top
os-f plug
10%
jxf wood 18x6 8200
zingerwood 18x8 7200
apc 15x8 9600(fitted by mistake instead of the 16x8)
20%
jxf 18x6 8400
apc 16x8 9000

very poor mid-range with heat on or off pick-up was horrible
not being an engine expert and having read endless posts about this engine´s carb i decided to just change it
so i used something i had at hand a thunder tiger 120rp´s carb and it worked wonders
tt carb original muffler
10%
jxf 18x6 8300
zinger 18x8 7400
apc 16x8 9400

it doesn´t seem to like the zinger prop
but pick up is now as good as my saitos on all the props
can´t wait to put it on an airplane(bought for a scrachtbuild still on the design stage so it will be a while)
will try and make a vid of it with the tt carb this weekend
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Old 09-11-2011, 07:09 AM
  #3
yyk1966
 
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Default RE: ST2300 rpm's

- New ST G2300 after 1 gallon of 10% nitro home brewed fuel, still on a test stand.
- original carburetor
- OS F glow plug
- Bisson Pitts Muffler

APC 16x8: 2400 - 8900

the mid-range is rich, the transition is not perfect but acceptable.
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Old 09-29-2011, 08:29 AM
  #4
turbo.gst
 
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Default RE: ST2300 rpm's

I use a tuned muffler( DH Models) on mine, Perry 5001 carb, OS 'F' plug and 5% Nitro. I'm turning a APC 17 x 8n prop right at 9300. The tuned can really wakes up this engine. I have read that some really like a 16 x 10 prop.

Mr. Hanson ( who's tuned can I am Using) was swinging a APC 18 x 8 at 9100 with 25% Nitro. I have never tried the higher nitro, but he raved about it. This was a pretty big deal 10 or 12 years ago, before the small gassers arrived. The ST 2300 makes great power.
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Old 10-07-2011, 12:11 PM
  #5
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Default RE: ST2300 rpm's

Zinger 18-6, OS-F plug, Home brew fuel 0% nitro 20% castor. 7700 Peak and 2200 Idle.
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Old 02-24-2012, 03:44 AM
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kmeyers
 
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Default RE: ST2300 rpm's

APC 17 x 6 Perry pump and Bisson muffler 15% Cool power 9800rpm.
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Old 09-01-2012, 06:33 AM
  #7
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Default RE: ST2300 rpm's

Zinger 18-6, Home Brew - 5% Nitro, 20% Castor, Stock STplug. 8200 rpm.
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