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FM/DM threads Everything about FM/DM in CoD

 
 
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Old 09-27-2011, 11:27 PM
TomcatViP TomcatViP is offline
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Ok here we go again

Merlin XX from RR doc WOT at 15000 9lb

What means WOT ? At tht height : max flow = max ro *V

At sea level ro > ro at alt

then ro* V max is LESS (max ur eng can handle)

SO less OT -> less Flow -> less air -> less fuel -> less SHP -> less flywheel rpm (THX mother nature or there will had been a prob) -> less max theo HP

By teh way as I hev alrdy raised soem of your dat (Spitdotcom atc...) are confusing abt HP and SHP as testing was done static without S/C (tht's all abt the source I hve)

As you can see the only way to outsource the most HP of a Merlin in that conditions is to have variable geo (for ex the size of the ducting). It's all abt the Merlin for low alt , the Merlin for med alt and the Merlin for high alt.... Does is sound anything like familiar to you ?

Oh and by the way I didn't mention here the temp raise you'd get in the conversion. But I am sure you'd get enough time for a forum search. Some hve been down to the details more than me (I hve in mind some Crump's posts). Feel free to read them too.

Huh Yeah pls devs give them their 12lb now tht they will be left with 2lb only late Spits when you'll do that 44 add-on

Last edited by TomcatViP; 09-27-2011 at 11:33 PM.
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