Author Topic: B-29 Superfortress Performance  (Read 5025 times)

Offline Softail

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B-29 Superfortress Performance
« on: January 01, 2015, 10:01:14 PM »
So this is a bit strange.  I was chasing some B-29's in my 262 last month.....the proceeded to dive away from me....at over 530MPH....TWICE.  Once from 30K to 27K then again from 24K to 22K.

I thought parts fell off of this AC over 350mph?    Did HTC Beef up the wings on the B29???

Thanks.

Softail.

Offline FLS

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Re: B-29 Superfortress Performance
« Reply #1 on: January 01, 2015, 10:25:40 PM »
Likely explanation is air density.

Offline xPoisonx

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Re: B-29 Superfortress Performance
« Reply #2 on: January 01, 2015, 11:56:23 PM »
Likely explanation is air density.
Yup
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Offline Serenity

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Re: B-29 Superfortress Performance
« Reply #3 on: January 02, 2015, 12:04:00 AM »
Likely explanation is air density.

Which begs the question from Softail, 530 indicated? Or true? Because 530 indicated should have the exact same affect on the aircraft regardless of air density, right?

Offline xPoisonx

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Re: B-29 Superfortress Performance
« Reply #4 on: January 02, 2015, 12:10:13 AM »
Which begs the question from Softail, 530 indicated? Or true? Because 530 indicated should have the exact same affect on the aircraft regardless of air density, right?

Pretty sure this falls under the exaggeration category... such as brewster diving 600mph etc etc...

It would not be 530 indicated at 30k
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Offline FLS

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Re: B-29 Superfortress Performance
« Reply #5 on: January 03, 2015, 05:52:11 AM »
Which begs the question from Softail, 530 indicated? Or true? Because 530 indicated should have the exact same affect on the aircraft regardless of air density, right?

What is TAS if IAS is 530 at 27k? 800 MPH? 

Offline Softail

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Re: B-29 Superfortress Performance
« Reply #6 on: January 03, 2015, 10:41:37 PM »
Hmmmmm.....still think I am exaggerating?

Right there 535MPH....and no parts are falling off.   The REAL B29 had a max speed of 357 mph.   

I was compressing......but the B29's didn't seem to be having a problem.



Offline xPoisonx

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Re: B-29 Superfortress Performance
« Reply #7 on: January 04, 2015, 12:07:56 AM »
Hmmmmm.....still think I am exaggerating?

Right there 535MPH....and no parts are falling off.   The REAL B29 had a max speed of 357 mph.   

I was compressing......but the B29's didn't seem to be having a problem.


(Image removed from quote.)

That would be TRUE air speed, not indicated.
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Offline kvuo75

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Re: B-29 Superfortress Performance
« Reply #8 on: January 04, 2015, 12:15:07 AM »
What is TAS if IAS is 530 at 27k? 800 MPH?  

816.200

http://www.csgnetwork.com/e6bcalc.html


(tas is at the bottom)
« Last Edit: January 04, 2015, 12:16:44 AM by kvuo75 »
kvuo75

Kill the manned ack.


Offline FLS

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Re: B-29 Superfortress Performance
« Reply #10 on: January 04, 2015, 12:40:20 AM »
Hmmmmm.....still think I am exaggerating?

Right there 535MPH....and no parts are falling off.   The REAL B29 had a max speed of 357 mph.   

I was compressing......but the B29's didn't seem to be having a problem.


535 TAS at 28k is 343 IAS.  Seems reasonable.

Offline xPoisonx

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Re: B-29 Superfortress Performance
« Reply #11 on: January 04, 2015, 03:12:08 AM »
They wrote these manuals for a reason. :aok



http://www.avialogs.com/index.php/en/aircraft/usa/boeing/b-29superfortress/aaf-51-126-6-b-29-pilots-and-flight-engineers-training-manual-for-the-superfortress.html#download



Doesn't apply to this game since we don't worry about how a plane will do on its next sortie, since every one spawns in 100% perfect condition.
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Offline lyric1

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Re: B-29 Superfortress Performance
« Reply #12 on: January 04, 2015, 01:21:49 PM »
Doesn't apply to this game since we don't worry about how a plane will do on its next sortie, since every one spawns in 100% perfect condition.

Max diving speed at 300 IAS at any altitude & at anytime should matter on the flight you are involved with at that moment.

Not sure what you are talking about for future flights. :headscratch:

Offline Masherbrum

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Re: B-29 Superfortress Performance
« Reply #13 on: January 04, 2015, 01:37:25 PM »
Hmmmmm.....still think I am exaggerating?

Right there 535MPH....and no parts are falling off.   The REAL B29 had a max speed of 357 mph.   

I was compressing......but the B29's didn't seem to be having a problem.


(Image removed from quote.)

Seems to me that he managed his altitude better that you did is all. 
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Offline xPoisonx

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Re: B-29 Superfortress Performance
« Reply #14 on: January 04, 2015, 01:44:53 PM »
Max diving speed at 300 IAS at any altitude & at anytime should matter on the flight you are involved with at that moment.

Not sure what you are talking about for future flights. :headscratch:

I'm saying the reason they had that restriction is not because the second you passed 300IAS the plane would rip apart, but it could cause structural damage that could affect it on future flights (weakening of the airframe). Every sortie in AH we get a new plane, so diving faster is not uncommon.
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you have a ego the size of Texas.
Quote from: hitech
Texas is big, but not THAT big.

HiTech