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Posted

Hey

 

Last update:

WINDSHIELD HOT and STALL SYS caution lights have been implemented.

 

Manual P166:

WINDSHIELD HOT If windshield temperature exceeds 150-degrees F. No function

 

 

 

Just wondering ... why would the windshield get hot anyway?

Posted

Air friction at high speed

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Posted

Kuky,

in an SR-71, yes. In an A-10 - nope. :)

 

You have a heater element and the ability to send hot air to the canopy/windshield in order to defog/deice/remove rain from the windshield/canopy. If these systems are left on too long, under the wrong conditions or malfunction the windshield can overheat, in which case you get the warning light.

 

I know of a case where a shipset of windshields were destroyed by a test pilot leaving the windshield heating on on the ground. An expensive day at work...

 

Cheers,

/Fred

Posted

hm... yeah I didn't think of that, A-10 is too slow to have lot of air friction to get hot because of it

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Posted

Canopy defog control is by regulating precooled engine bleed air through defog tubes along the base of the canopy.

 

Windshield defog/de-ice is controlled by heat from a heater element embedded near the outer surface of the windshield center panel.

 

Windshield HOT caution light is actuated by a temperature sensor on the windshield center panel. The light will come on when the windshield temperature is in excess of 150 degrees F, wether caused internally by system failure or externally by leaving the rain removal system on for an extended period of time.

The light will also come on to indicate a malfunction in the windshield deicing circuit, a system power failure or if the battery is the sole source of electrical power (deicing circuit runs on AC power).

If the cause is due to an overtemperature, continued use can result in a cracked windshield.

 

Windshield Rain Removal System

For ground operation and to aid inflight rain removal when flying at low speeds, an air jet blast, utilizing pre-cooled bleed air, provides rain removal over the windshield center panel.

 

(Page 1-66 TO 1A-10A-1)

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  • ED Team
Posted

So far only canned function is implemented. If you have Windshiled Defog/Deice switch ON, and no VAC power is available (generators not started) the light will go on.

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К чему стадам дары свободы?

Их должно резать или стричь.

Наследство их из рода в роды

Ярмо с гремушками да бич.

Posted
So far only canned function is implemented. If you have Windshiled Defog/Deice switch ON, and no VAC power is available (generators not started) the light will go on.

 

Yeahbut once the Nevada map hits the streets.... Ramp gets hot at Nellis!

 

(Just sayin:smilewink:)

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