Thrust vs RPM

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chr2020
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Thrust vs RPM

Post by chr2020 » Mon Jan 04, 2021 8:42 pm

I would like to present here the second page of an old article:

Image

For the MilViz F-86, if you were to create a chart showing the thrust vs rpm curve, would they be very similar?
Last edited by chr2020 on Wed Jan 27, 2021 2:50 pm, edited 4 times in total.

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Slayer
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Re: Thrust vs RPM

Post by Slayer » Mon Jan 04, 2021 11:01 pm

That is kind of a rule of thumb that can not really can cover other jets. Lots of cautions in that article but I'm sure if you googled it you can find better numbers. AFAIK Thrust also varies with air density so altitude plays a factor.

ScruffyTheMongoose
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Re: Thrust vs RPM

Post by ScruffyTheMongoose » Tue Jan 05, 2021 3:46 am

and a whole bunch of other factors as well...

JonathanBleeker
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Re: Thrust vs RPM

Post by JonathanBleeker » Tue Jan 05, 2021 10:19 am

Intake geometry and AoA also affects thrust output.

ScruffyTheMongoose
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Re: Thrust vs RPM

Post by ScruffyTheMongoose » Tue Jan 05, 2021 12:36 pm

Quick answer... yes. Our products do all of that and more.

chr2020
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Re: Thrust vs RPM

Post by chr2020 » Tue Jan 05, 2021 8:49 pm

Would the flight manuals for the old jet fighters contain a thrust vs rpm chart?
Last edited by chr2020 on Wed Jan 27, 2021 2:49 pm, edited 2 times in total.

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Slayer
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Re: Thrust vs RPM

Post by Slayer » Tue Jan 05, 2021 10:08 pm

Hi Chris , product manuals can be downloaded from our store page for the product you are interested in looking at the manuals for. Purchase is not required to download the manual simply scroll to the bottom of a product page and you will find them.

chr2020
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Re: Thrust vs RPM

Post by chr2020 » Tue Jan 05, 2021 10:38 pm

Thank you very much, Steve. I just downloaded the MilViz manual for the F-86.

But in my post, I was talking about the old flight manuals for the old jet fighters. For example, this one for the F-100: T. O. 1F-100C-1.

Would the USAF flight manuals for the old fighters have charts showing the thrust vs RPM curve? Have you ever come across such a chart in the USAF manuals?
Last edited by chr2020 on Wed Jan 27, 2021 2:42 pm, edited 1 time in total.

JonathanBleeker
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Re: Thrust vs RPM

Post by JonathanBleeker » Wed Jan 06, 2021 12:09 pm

Not always. It's rare to find something like that.

chr2020
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Re: Thrust vs RPM

Post by chr2020 » Wed Jan 06, 2021 9:54 pm

Regarding the F-4 Phantom, do you think that at 80% RPM the fighter would be producing about 50% available thrust?

ScruffyTheMongoose
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Re: Thrust vs RPM

Post by ScruffyTheMongoose » Thu Jan 07, 2021 3:53 am

Sorry but our team has work to do.

You may watch the videos on our youtube channel for more information on this.

JonathanBleeker
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Re: Thrust vs RPM

Post by JonathanBleeker » Thu Jan 07, 2021 10:30 am

chr2020 wrote:
Wed Jan 06, 2021 9:54 pm
Regarding the F-4 Phantom, do you think that at 80% RPM the fighter would be producing about 50% available thrust?
I think so.

chr2020
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Re: Thrust vs RPM

Post by chr2020 » Thu Jan 07, 2021 12:17 pm

Thank you, Jonathan.


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