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Author Topic: spit flaps  (Read 1714 times)

Offline Flyboy

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spit flaps
« on: April 30, 2004, 04:38:04 PM »
why does it take so long for the spit flaps to deploy?

allso was it used only for landings or did it got used in combat?
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Offline Karnak

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spit flaps
« Reply #1 on: April 30, 2004, 05:06:38 PM »
Spit flaps deployed very fast in reality.  Why they are so slow in AH I don't know.

No, they were not used in combat.
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Offline Pyro

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spit flaps
« Reply #2 on: April 30, 2004, 06:15:35 PM »
They are just set to some default deployment rate.  Cite me a reference to how fast they deploy and I'll change it.
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Offline Bodhi

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spit flaps
« Reply #3 on: April 30, 2004, 10:27:19 PM »
Spit flaps are slow to deploy, watch them sometime in rl
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Offline Flyboy

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spit flaps
« Reply #4 on: May 01, 2004, 03:10:06 AM »
i remember reading somewhere they deploied to an angel of 89*

if thats true they are no flaps, they are air brakes! :eek:
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Offline hogenbor

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spit flaps
« Reply #5 on: May 01, 2004, 03:20:39 AM »
I saw them deploy on a Spit V. It's almost instantly (They really pop out) and they DO only have one setting and that's about the 89 degrees mentioned. I don't know how fast they retract though. It's also true that they act as airbrakes as the Spit was found to be very clean aerodynamically and was hard to land for people used to braced biplanes.

There are million of people with more detailed knowledge then my own, for example I don't know if the flaps on later spit and seafires worked differently.
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Offline Octavius

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spit flaps
« Reply #6 on: May 01, 2004, 03:54:58 AM »
Wish I had a reference...

I was watching a show about Corsairs on the History channel tonight.  A few clips of still flyable F4Us showed the flaps being raised and lowered much faster (or so it seemed) than we have in AH.

Where can one find "flap deployment" speed?  Is that info even supplied in old manuals?
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Offline flakbait

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spit flaps
« Reply #7 on: May 01, 2004, 04:40:49 AM »
Pyro, if you want to get accurate numbers for flap deployment/retraction, call the CAF. I rifled an e-mail off to a guy who works with the CAF guys in Camarillo CA about the Spit flaps since they have a Spit 14 there. For the other aircraft, give CAF HQ in Midland a buzz and see if you can't wrangle the info out of 'em. Odds are someone would know, and even if they didn't all they'd have to do is check the time with a stopwatch. Course, you might get billed for the batteries :D


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Offline BenDover

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spit flaps
« Reply #8 on: May 01, 2004, 09:15:55 AM »
Wouldn't the flaps deploying instantly only happen on the ground due to there being next to zero airflow to work against?

Or did the spit use some really strong hydrolics?
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Offline Bodhi

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spit flaps
« Reply #9 on: May 01, 2004, 10:23:39 AM »
Quote
Originally posted by BenDover
Wouldn't the flaps deploying instantly only happen on the ground due to there being next to zero airflow to work against?

Or did the spit use some really strong hydrolics?



BINGO!!!!!!  airflow slows them up considerably.... the same happens on a T6, when we run it up on the ground, they pop out real quick, in the air, they are much slower....
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Offline SKurj

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spit flaps
« Reply #10 on: May 01, 2004, 12:38:11 PM »
And how would we know how fast they drop at any given airspeed?

Tough call...


SKurj
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Offline BenDover

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spit flaps
« Reply #11 on: May 01, 2004, 12:53:58 PM »
well you only have to find out between 100 and 200 really...
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Offline Batz

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spit flaps
« Reply #12 on: May 01, 2004, 12:55:44 PM »
With these 1 positon flaps does it really matter how fast they deploy?

I mean are you all using them in combat? Auto retract flaps prevent them from being used as an "air break" except at low speed, at those speeds why would you need an air break? Plus there are other manuvers you should be using to bleed speed other then dropping flaps.

If you are just using them to land then who cares, right?

Maybe I missed the point......
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Offline Flyboy

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spit flaps
« Reply #13 on: May 01, 2004, 01:04:34 PM »
i belive you did miss the point, i dont use flaps in combat, i dont use them for landing either unless i want to land in a very short distanse (CVs or rearm pads)


the point is sheer curiosity.

i deploy flaps and wait for what seems to be a really long time- with that irritating sound- and i wonder "hmm that seems quite a long time for the flaps to deploy"

so without a second thought i go to this forum because i know there are some real experts in here that never failed me in the past, and post.

hope thats clear it up for you  :)
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Offline flakbait

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spit flaps
« Reply #14 on: May 04, 2004, 03:19:53 PM »
It isn't an official book source, but here's what Deak said when I e-mailed him about this...


Sorry for the delay, been moving fast.

Spitfire flaps have a toggle switch, either "up" or "down," takes about three seconds either way.


Best...
John Deakin
Advanced Pilot Seminars
http://www.advancedpilot.com


I already e-mailed this to Pyro.


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