Aces High Bulletin Board

General Forums => Aircraft and Vehicles => Topic started by: fdiron on October 18, 2002, 03:22:45 AM

Title: High altitude engine performance
Post by: fdiron on October 18, 2002, 03:22:45 AM

I read on a news group that the P51-D only produced 700hp at 25,000 feet.  Does anyone know where I can find a chart that shows the different engine outputs of different aircraft at altitude?

Title: High altitude engine performance
Post by: Wilbus on October 18, 2002, 05:47:55 AM

My best guess is that you'll just have to check books etc for different planes to find the differences, hopefully there is some books that have collected it all.

Try making a search for the engine aswell like "merlin 65 high altitude performance".

Meanwhile I can give you the Ta152's output at its maximum boost altitude. The output is without any injection, it's just clean.

At 35k its output was 1,260 hp :D

Title: High altitude engine performance
Post by: Wilbus on October 18, 2002, 07:34:42 AM

http://homepage.tinet.ie/~frontacs/WBStored/MerlinEnginePowerRatings.html

Some interesting stuff.

Btw, as for the Ta152, the GM1 boost gave little more then 400 Hp extra.
Would give it some 1600-1700 Hp at 35k :)  

Don't think ours have Gm1 though.

Title: High altitude engine performance
Post by: Vermillion on October 18, 2002, 12:29:17 PM

I have the chart for the BMW801 vs altitude (the Fw190A series) if I can find it.

Title: High altitude engine performance
Post by: J_A_B on October 18, 2002, 12:50:06 PM

What Oed said---that figure can't possibly be for a merlin Mustang.  

J_A_B

Title: High altitude engine performance
Post by: fdiron on October 18, 2002, 02:48:53 PM

Thanks for the info guys.  Those news-group dorks are always spouting off erroenous facts.

Title: High altitude engine performance
Post by: Nashwan on October 18, 2002, 03:03:17 PM

MW has the following chart on his exellent Spitfire site

http://www.fourthfightergroup.com/eagles/merlin_66.jpg

The site itself is at http://www.fourthfightergroup.com/eagles/spittest.html