Author Topic: Analyze This: QPM vs. grizz Venn  (Read 4512 times)

Offline Nefarious

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Re: Analyze This: QPM vs. grizz Venn
« Reply #135 on: August 16, 2011, 03:34:04 PM »
Hey Tango, how bout you stop doing this math crap and get back in the game  ;)  :D  :aok
There must also be a flyable computer available for Nefarious to do FSO. So he doesn't keep talking about it for eight and a half hours on Friday night!

Offline dtango

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Re: Analyze This: QPM vs. grizz Venn
« Reply #136 on: August 16, 2011, 04:05:57 PM »
Hey Tango, how bout you stop doing this math crap and get back in the game  ;)  :D  :aok
:D  I can't afford it right now.  I'm house broke ;).  I've even resorted to taking my own lunchee's to work everyday.  Thanks for the encouragement though brutha Nef :aok.
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Offline Babalonian

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Re: Analyze This: QPM vs. grizz Venn
« Reply #137 on: August 16, 2011, 06:44:36 PM »
Infusing the topic with areo-geek maths of power-to-weight, wing-loading, & max level speed...grizz, I see your venn diagram and raise you a....

...Quasi Performance Meter....   :devil

(Image removed from quote.)



Here's how you read it.....


(Image removed from quote.)



As for "EZ" vs. "hard", here's my take on it  :devil :devil :devil


(Image removed from quote.)


Please debate among yourselves...

 :aok  Happy hat for you!



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Offline dtango

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Re: Analyze This: QPM vs. grizz Venn
« Reply #138 on: August 16, 2011, 10:40:59 PM »
:aok  Happy hat for you!

(Image removed from quote.)

No, no you've got the wrong metaphor.  Star Wars >>>>> Star Trek.  They know their physics.  Let me help you.  This is better.



« Last Edit: August 16, 2011, 10:42:30 PM by dtango »
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"At times it seems like people think they can chuck bunch of anecdotes into some converter which comes up with the flight model." (Wmaker)

Offline Fox

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Re: Analyze This: QPM vs. grizz Venn
« Reply #139 on: August 21, 2011, 04:56:55 PM »
I played around with the data a little more this weekend.  I wasn't able to use the file dtango sent for some reason, so I just used the data from DokGonzo's site and added a few more planes.

This table shows the planes rank ordered for max sea level speed, time to accelerate from 150-200 mph, and best turn radius.  The top 10 of each category were highlighted.  No planes rank in the top 10 for all three categories.  Only 4 planes rank in the top 10 for two categories: the Tempest, La-7, Bf109K-4 and Spit 14.



I graphed the planes that were highlighted in the table (meaning they were in the top 10 for speed, acceleration, turn radius).  I combined acceleration into speed and turn radius to make a 2D graph, instead of the 3D I made before. 



Offline ink

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Re: Analyze This: QPM vs. grizz Venn
« Reply #140 on: August 21, 2011, 05:19:11 PM »
I see an error :old:

the F4U-1A, Yak-9U, and the P51-B all do 358 SL speed yet they are ranked 10 , 11, 12, respectively, they should all be ranked "10" or whatever "358" falls under.

Offline Shane

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Re: Analyze This: QPM vs. grizz Venn
« Reply #141 on: August 21, 2011, 05:58:03 PM »
I see an error :old:

the F4U-1A, Yak-9U, and the P51-B all do 358 SL speed yet they are ranked 10 , 11, 12, respectively, they should all be ranked "10" or whatever "358" falls under.

actually, I'd think a secondary sorting based on accel would rank them within 358, meaning the hog would drop down below the pony.
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Offline ink

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Re: Analyze This: QPM vs. grizz Venn
« Reply #142 on: August 21, 2011, 06:13:27 PM »
actually, I'd think a secondary sorting based on accel would rank them within 358, meaning the hog would drop down below the pony.

I agree, but they all should be totaled equally......maybe I am looking at it wrong...if the totals are combined, or what ever math is used, the planes with the same speed is the first equation...so they should be scored equally if the do the same exact speed.....

ahhhhhhhhhhhgggggggggghhhhhhh hhhh   this is why I am an artist  :o

Offline Fox

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Re: Analyze This: QPM vs. grizz Venn
« Reply #143 on: August 21, 2011, 09:03:46 PM »
You are correct about the ranking, they should be the same if the attribute is the same.  I only did the ranking to narrow the planes down to a manageable number.  Originally I had this as a 3D graph, with acceleration on the third axis.  The 3d graph is hard to see without being to rotate it, so I attempted to convert it into a 2D graph.  To do so I divided speed by acceleration and multiplied best radius times acceleration.  The data used to create the graph doesn't have anything to do with the rankings.


Offline Karnak

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Re: Analyze This: QPM vs. grizz Venn
« Reply #144 on: August 21, 2011, 09:20:51 PM »
The Mosquito does 357mph on the deck, not 339.  That looks like a speed from the old Mosquito, before it was updated graphically and got its new flight model.  I believe it also accelerates/climbs a bit better as well.
« Last Edit: August 21, 2011, 09:53:29 PM by Karnak »
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Offline Fox

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Re: Analyze This: QPM vs. grizz Venn
« Reply #145 on: August 21, 2011, 10:14:47 PM »
The numbers I used are dated because they came from DokGonzo's site.

I have made several different graphs trying to see how the 10 best planes compare based on the three categories mentionied before.  The graph below shows speed vs turn radius without factoring in acceleration.  I haven't cleaned it up, so some of the names overlap.



I'm not trying to make any claims about which planes are better or which attributes are more important.  I simply made some graphs for different planes using data I found and I thought I would post in case anyone finds interesting.  I only got the idea because of dtango, so this is all his fault.

Offline dtango

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Re: Analyze This: QPM vs. grizz Venn
« Reply #146 on: August 22, 2011, 12:24:37 PM »
I'm not trying to make any claims about which planes are better or which attributes are more important.

C'mon, have a take.  What's not to enjoy about starting intardnet fights with rabid airplane fanboyz deluded by non-sensical, self inflating opinions of what is or is not "EZ"?  ;)

I simply made some graphs for different planes using data I found and I thought I would post in case anyone finds interesting.  I only got the idea because of dtango, so this is all his fault.

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:D
« Last Edit: August 22, 2011, 12:26:08 PM by dtango »
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Offline Babalonian

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Re: Analyze This: QPM vs. grizz Venn
« Reply #147 on: August 23, 2011, 06:08:20 PM »
I agree, but they all should be totaled equally......maybe I am looking at it wrong...if the totals are combined, or what ever math is used, the planes with the same speed is the first equation...so they should be scored equally if the do the same exact speed.....

ahhhhhhhhhhhgggggggggghhhhhhh hhhh   this is why I am an artist  :o

Drafting, Landscape Design, Irrigation Engineering - all a bunch of fancy terms for sitting on my butt all day only drawing lines, arcs and cirles.
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Offline ink

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Re: Analyze This: QPM vs. grizz Venn
« Reply #148 on: August 23, 2011, 08:27:04 PM »
Drafting, Landscape Design, Irrigation Engineering - all a bunch of fancy terms for sitting on my butt all day only drawing lines, arcs and cirles.

 :D

drafting was fun, I was quite good at that when I was young.

Offline Wmaker

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Re: Analyze This: QPM vs. grizz Venn
« Reply #149 on: August 24, 2011, 03:26:53 AM »
Tango,

About the FM arguments and talking about physics in general,

Just a general comment...

Never underestimate the power of idiots in large groups. :D Morons can saturate any BBS if they have the time in their hands to do so. As tragic as it may be. :(
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