Net effective thrust, not rated horsepower. Got to factor in the propulsive efficiency percentage.
XP-39 II - The Groundhog Day Thread
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GregP
Major
Propulsive efficiency? Is that the exit velocity of groundhog farts? Or maybe if you light them with a match?
buffnut453
Captain
That's another reason why you need the self-sealing nutsack upgrade for your groundhog.
Well, now that the Lancaster one's been shut down, we gotta go somewhere to get down with the brown...
fubar57
General
Two groundhogs arguing about weight removal and both claiming victory
Not just that. Also need variable geometry exhaust nozzles to be competitive in the GTO (Groundhog Theater of Operations)!
What about the impact of laminar flow nutsacks? Or the Meredith effect on groundhog performance, particularly at altitude?
The only Meredith I ever knew had no lift effect whatsoever! Zero camber laminar flow = zero lift. Zero AoA flat plate = drag only, no lift.
GrauGeist
Generalfeldmarschall zur Luftschiff Abteilung
Is it too soon to start the "Stirling as potential atomic bomber" thread?
I think the spitfire is way better at that.Is it too soon to start the "Stirling as potential atomic bomber" thread?
Fat Man and the Spitfire, by Edsel T Ford. Sounds like a blockbuster novel! Where do I submit my bid for the screen rights?
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GrauGeist
Generalfeldmarschall zur Luftschiff Abteilung
I had suggested the P-39, but there were Cog issues that needed to be worked out
"The P-39 as a Potential Nuclear Bomber"?
We need someone to lead though, any ideas?
Well, that's no good for our groundhog, better remove something to change the CofG...
GrauGeist
Generalfeldmarschall zur Luftschiff Abteilung
Well...not me, my theories of the B-29 being the best candidate for the job were dismissed in another thread.
GrauGeist
Generalfeldmarschall zur Luftschiff Abteilung
Won't work unless you get rid if the roundels - major drag penalty, you know.
Come on Dave, you know as well as I do that the BF109 (which is just a spitfire without roundels) is a better nuclear bomber than the B29. Especially when you pair it with a ground hog ( sorry, Ein Waldmurmeltier).Well...not me, my theories of the B-29 being the best candidate for the job were dismissed in another thread.
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What's to remove? Both "airfoils" were flat as boards. No camber, no lift. Nutsack dragging.
Airframes
Benevolens Magister
Hmm. We may have accidentally found the perfect role for the P-39.
Remove the rear-mounted engine, and the front - mounted armament. Replace these with a "nuke" and a rudimentary guidance system, and hang the whole lot beneath a A.W. Whitley, to be dropped and glide to the target.
Of course, the Whitley would need some modification to allow it to fulfil the mission; probably longer wings, a deeper fuselage, four engines etc, which would also help it to "escape" the target area, with the aid of range-extending, self-sealing, flash-protected nutsacks, especially as the P-39 would probably take some time to get to the detonation point (if it hadn't already stalled and plumetted vertically earthwards).
Sounds like a reasonable use of what was otherwise a collection of aluminium and other metals, all joined together and flying in close formation ..........
Remove the rear-mounted engine, and the front - mounted armament. Replace these with a "nuke" and a rudimentary guidance system, and hang the whole lot beneath a A.W. Whitley, to be dropped and glide to the target.
Of course, the Whitley would need some modification to allow it to fulfil the mission; probably longer wings, a deeper fuselage, four engines etc, which would also help it to "escape" the target area, with the aid of range-extending, self-sealing, flash-protected nutsacks, especially as the P-39 would probably take some time to get to the detonation point (if it hadn't already stalled and plumetted vertically earthwards).
Sounds like a reasonable use of what was otherwise a collection of aluminium and other metals, all joined together and flying in close formation ..........
Peter Gunn
Master Sergeant
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