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Luftwaffe and Axis Air Forces Please use this forum to discuss the German Luftwaffe and the Air Forces of its Allies. |
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#1
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Ju-87 Stuka sirens?
You'll notice the sirens on the wheel spats are stationary while flying. What activated the sirens? The increased speed of the dive or deploying the dive brakes released them to spin?
Regards, Mike Last edited by Revi16; 1st July 2007 at 07:42. |
#2
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Re: Ju-87 Stuka sirens?
Long time ago I have read some descriptions of this device and as I can remember this was powered by the air electric generator and they are electric powered sirens. Detail you see on wheel spats are electric generator and air is pushed propeller of dynamo.
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#3
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Re: Ju-87 Stuka sirens?
The devices on the gear spats are the sirens. The Jumo 211 has its own generator attached to the accessory case of the engine.
Regards, Mike |
#4
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Re: Ju-87 Stuka sirens?
hallo Mike
Zur Verstarkung des heultones beim sturzangriff ist an der linken und rechten fahrgestellverkleidung je ein larmgerat eingebaut.Ihre luftschrauben werden durch den FAHRWIND ANGETRIEBEN. Das Ein -und ausschalten der larmgerate erfolgt durch eine electro-hydraulische anlage.Die bedienung durch den flugzeugfuhrer geschiedt durch legen des kipschalters(T1) auf "ein" bzw "aus". Der kipschalter(T1) ist im drosselhebelkasten an der linken rumpfseite im fuhrerraum angeordnet Das erforderliche Druckol wird aus der rucklaufleitung der druckolanlage hinter dem schalter fur sturflugbremse entnommen Das einschalten der larmgerate hat vor dem sturz d.h. vor dem ausfahren der sturzflugbremsen zu erfolgen. das ausschalten der larmgerate darf erst nach dem sturzflug erfolgen,wenn die geschwindigkeit auf 320km/h abgefallen ist mfg aus belgien phil mertens |
#5
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Re: Ju-87 Stuka sirens?
Thanks Phil. Unfortunately I don't understand a word of it.
Regards, Mike |
#6
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Re: Ju-87 Stuka sirens?
hello mike,
I am not so a good trtanslator but in big lines its: the props are turned on by wind the start and stop from it is happening due to an electrique and pressureoil system you have a switch T1 with sign on and off and this switch is located left side from pilot. the needed oil is taken from the running back oilpipe that is located from a switch from the sturzflug brakes. to stop the prop you can only do this after the dive when your current speed max 320 km/h is. its not "a perfect" translation but its in big lines hopefully you can understand and maybe other readers have better translation possibilities. kindly regards phil |
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