View Full Version : What are best settings for speed for p47?

09-08-2003, 05:46 AM
Starting to like the p47. What are the best CEM settings for speed if any or do most just use auto?

09-08-2003, 05:46 AM
Starting to like the p47. What are the best CEM settings for speed if any or do most just use auto?

09-08-2003, 06:00 AM
For the P-47, I ussually leave the Mix at 100% or 80%, dropping it a bit, as the engine gets rough at altitude. The prop I leave at 100% pitch, and the engine I run up to 100% throttle, no WEP, with cowl flaps closed, and leave it there. With those settings I can normally maintain 250-300 mph IAS without overheating for as long as I have fuel. I only use WEP if I absolutely need it, which ussually means I've screwed up, and am not going to be using that aircraft for much longer.

Do remember, this aircraft is not very fast down low, but the higher you get, the faster it gets. Keep it high for speed, dive in when you have a target, then climb out at about 2000 ft/m. That's how you really get speed.

Harry Voyager

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09-08-2003, 06:12 AM

I just want to add some little things more to Voyager's message: when you're at a dive or cruise flight, it's good reduce a little bit the proppeler pitch (95% it's enough at most cases)... With this configuration the propeller will not create much drag and the plane will gain more speed. But don't forget to put the prop. pitch back to 100% when climbing or in a combat!

Good luck!


09-08-2003, 08:51 AM
Good question since the old readme said the combat setting was 3000 RPM but I can't attain that (not even close). I must be one of the few that goes down to 85% in a steep dive when I hear the engine rev up.

09-08-2003, 09:00 AM
r u sure?

Thats not very well modelled surely.

I find as speed increases you can take the prop pitch down to 75% or less, in graduations, and your speed slowly picks up. Cant say i have ever tried this in the P47, but i know that works in the 109's and Yaks.

09-08-2003, 03:54 PM
The P-47 doesn't have a prop-pitch control. It's a RPM setting control for non-LW planes - no reason to tiddle with it at all. If you want maximum performance, leave it at 100%.

With proper management, the P-47 can run pretty long with Water-Methanol injection.

However, as HarryV says, a really good P-47 combat management, is in keeping your advantageous condition over the enemy so you typically won't need to engage Water-Methanol at all - ie. the extra power will prove invaluable aid when used in such circumstances, but in case of deep shi*, no amount of WEP is going to let a P-47 escape monster planes like the La-7 or the Bf109K-4.

I use a slightly different setting. I fly radiators full open in cruise, and in combat, regularly use W/M inj. with 2~4 level radiator open. However, in the apex of a steep zoom climb, leave the radiators to full open - the lower airspeed heats up your engine really quick.

Due to pressure from the moderators, the sig returns to..

"It's the machine, not the man." - Materialist, and proud of it!

Message Edited on 09/08/0311:55PM by kweassa