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ASP 21 conversion

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Old 11-15-2012, 12:11 PM
  #1
AMB
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Default ASP 21 conversion

Jut found this lurking in a box, It is a series A, ASP. not the latest head reads AJC/JEN 2005 so came from Just Engines UK back then will crank up sometime

hmmmm 3 tries finally a sharp pic martin

should be interesting how it compares to the irvine 20 in a run which did 9200 on ZINGER 10X6

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Old 11-15-2012, 02:33 PM
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Default RE: ASP 21 conversion

well took it out to the garage and bolted on the stand mounted the 10x6 zinger too dark to open door tach and run but a few drops down the carb and after about 10 flips off it went
tried this again with a few drops roared off, did this 3 times instant start 1 flip tomorrow am the run martin
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Old 11-15-2012, 02:49 PM
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Default RE: ASP 21 conversion

I'm in

Top RPM: 10,100 on the above mentioned propeller
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Old 11-15-2012, 02:58 PM
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Default RE: ASP 21 conversion

I have good vibes on this one, in the test starts no kickback martin
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Old 11-15-2012, 03:43 PM
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Default RE: ASP 21 conversion

I would not be surprised if the little .21 exceeds expectations.

My ASP diesel conversions run well, particularly the .32A.
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Old 11-16-2012, 11:32 AM
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Default RE: ASP 21 conversion

well rerun today DAVIS ABC fuel10x6 wood master air screw9200 wood XOAR 10x5 11200 IDLE IN BOTH 2900-300O no bogs to WOT needle 1 to 1 1/4 open on needle
my guess a apc grey prop 10x6 should give an other 500 on the revs

a little disappointed in the 10x6 revs - good points- quiet, very light grey smoke, very little oil out and light color not black martin

interesting the K and B 20 also did 9200 on the 10x6 wood prop so did the irvine 20 -9200 on the 10x6

Just cranked it up again to try the grey nylon taipan prop that Fiery sent me they have a big rear overhang ( no issue) fairly wide blades 9x6 11000
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