Author Topic: If HTC decides to model P-39s... (Read 2861 times)

Bronk · « **Reply #60 on:** March 25, 2007, 06:20:07 PM »

One question krusty.
If russian sources are found that they used higher boost as policy.
Wouldn't that constitute it as a russian spec?

Not saying I'd want it. I'd be happy with US lvls.

Bronk

Ball · « **Reply #61 on:** March 25, 2007, 06:22:46 PM »

Bring the P-39 to aces high!

But in order to get it in, we will have to sabotage the G.55 thread!

http://forums.hitechcreations.com/forums/showthread.php?s=&threadid=201489

Krusty · « **Reply #62 on:** March 25, 2007, 06:23:33 PM »

No, we don't. Bronk already has.

eskimo2 · « **Reply #63 on:** March 25, 2007, 06:40:59 PM »

My father-in-law, who is still alive and well and lives with us, flew this:

Krusty · « **Reply #64 on:** March 25, 2007, 06:42:36 PM »

He must have had guts. They armored it up and used frangible ammo to train gunners how to shoot. They shot at it (the bullets breaking up rather than penetrating) and the lights would tell when the gunner when he landed a hit.

Bronk · « **Reply #65 on:** March 25, 2007, 06:44:30 PM »

Quote

Originally posted by Krusty
Snip

That chart is close to AHT so I'll agree but add.

From the vote thread.

Quote

Originally posted by Wmaker

AHT is a great and well researched book which consists mostly of primary source material. That is why I tend to believe it. Even the heaviest ferry-configuration listed falls almost 300lbs short of 8400lbs.

4000fpm climb rate just seems a bit optimistic and AHT seems to confirm it. Also the top speeds are achieved well over 10000 feet. Quote from AHT:

"For late model N and Q airplanes increased engine performance above 12000 feet provided some extra speed capability, so the Airacobra could make about 375mph up to 20000 feet before the speed fell off at higher altitudes. The USAAF speed estimates shown for the P-39Q (*) may be optimistic."

*the speeds talked about are flown with MIL power.

All done at MIL power NOT wep. Now what does wep add to speed .

Bronk

Bronk · « **Reply #66 on:** March 25, 2007, 06:48:08 PM »

Quote

Originally posted by Krusty
He must have had guts. They armored it up and used frangible ammo to train gunners how to shoot. They shot at it (the bullets breaking up rather than penetrating) and the lights would tell when the gunner when he landed a hit.

Now that I'll agree with. Thats got to be one scary ride.
Bronk

eskimo2 · « **Reply #67 on:** March 25, 2007, 06:48:11 PM »

Here's my webpage about his military experience:

http://www.wwiirt.com/usaaf/william_wilsterman/william_wilsterman.htm

Bronk · « **Reply #68 on:** March 25, 2007, 06:52:08 PM »

To your wife's dad. That really had to be one scary job.

Bronk

Wmaker · « **Reply #69 on:** March 25, 2007, 07:02:38 PM »

Quote

Originally posted by Wmaker
Did I somehow let you believe otherwise?

AHT is a great and well researched book which consists mostly of primary source material. That is why I tend to believe it. Even the heaviest ferry-configuration listed falls almost 300lbs short of 8400lbs.

4000fpm climb rate just seems a bit optimistic and AHT seems to confirm that it is. Also the top speeds are achieved well over 10000 feet. Quote from AHT:

"For late model N and Q airplanes increased engine performance above 12000 feet provided some extra speed capability, so the Airacobra could make about 375mph up to 20000 feet before the speed fell off at higher altitudes. The USAAF speed estimates shown for the P-39Q (*) may be optimistic."

*the speeds talked about are flown with MIL power.

I corrected the quote a bit.

EDIT/At combat power the climb rate was 3250fpm./EDIT

eskimo2 · « **Reply #70 on:** March 25, 2007, 07:53:14 PM »

Quote

Originally posted by Bronk
To your wife's dad. That really had to be one scary job.

Bronk

He actually got a kick out of it; he was one of the few who would volunteer for missions.

Early in the war they would tow sleeves behind AT-6’s and have a gunner trainee in the back of another AT-6 that would shoot up the sleeves. Each gunner had bullets with different colored tips that would leave a trace of color on the sleeve with each hit.

In the middle of the war he flew P-39s. The gunner trainees would “shoot” 8mm film cameras mounted on dummy guns in B-17s. Bill’s job was to attack the B-17’s in typical Axis attacks and get shot at on film. Back at base they had a giant film processing plant where all of the film would be processed. Each evening they would show the gunners their movies and critique their “shooting”. There was danger in this, as there was in all flying. He lost his best friend to an engine failure; he opted to ditch instead of bail. When he got down low the desert wasn’t as smooth as it looked from up high; his P-39 plowed into a ditch and was crushed. Later, his wingman flew right through a B-17. Bill flew right through the mess of falling, burning parts; he even saw bodies in the air. The tail gunner walked away though; the tail flat spun on the horizontal stabilizer. The centripetal force pinned the gunner in place but the section landed relatively softly. He was the only survivor.

At the end of the war he flew RP-63s; this link describes that:
http://www.wwiirt.com/usaaf/william_wilsterman/william_wilsterman.htm

Bronk · « **Reply #71 on:** March 25, 2007, 07:58:36 PM »

This From AHT

At approximately 12000 ft it's pretty much maxed out at about 375 mph, and that we know is mil.
If wep adds 10 mph like most other ac in game that would bring it up to about 385.

No?

Bronk

Bronk · « **Reply #72 on:** March 25, 2007, 08:08:14 PM »

Repost climb and speed of yakT for easier comparison.

Bronk

eskimo2 · « **Reply #73 on:** March 25, 2007, 08:08:43 PM »

He was once assigned to take a P-63 up as high as it would go. He got it up to 42,000 ft; he said it would mush down to 41,500 and then climb back up to 42,000 and mush out again. The books say it will hit 43,000, but that’s probably not over hot Nevada.

He said the RP-63 would not climb nearly as high.

Bronk · « **Reply #74 on:** March 25, 2007, 08:14:22 PM »

Did he comment on handling qualities/ maneuverability?

Bronk