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ZF Navy free balloon: Difference between revisions
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Known problems.
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This is a US Navy free balloon as used for initial lighter-than-air training during the 1920s to 1940s. It is fairly representative for a type of aircraft that first flew in 1783 and soon afterwards found a shape and construction that it retained (almost) to this day. | This is a US Navy free balloon as used for initial lighter-than-air training during the 1920s to 1940s. It is fairly representative for a type of aircraft that first flew in 1783 and soon afterwards found a shape and construction that it retained (almost) to this day. | ||
==Handling instructions== | == Handling instructions == | ||
[[File:ZF_Navy_free_balloon-2.jpg|thumb|right|300px|The ZF Navy free balloon with the envelope shader enabled.]] | |||
===Important controls / keys=== | === Important controls / keys === | ||
====Flight controls==== | ==== Flight controls ==== | ||
* Gas valve | * Gas valve | ||
* Ballast | * Ballast | ||
====Ballast==== | ==== Ballast ==== | ||
* W - Weigh-off to 10% of current weight by dropping ballast. Takes about 10 seconds and only works when on the ground. | * W - Weigh-off to 10% of current weight by dropping ballast. Takes about 10 seconds and only works when on the ground. | ||
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* D/d - Drop ballast in 1%/0.1% decrements. | * D/d - Drop ballast in 1%/0.1% decrements. | ||
====Gas==== | ==== Gas ==== | ||
* F/f - Open/close the gas valve. | * F/f - Open/close the gas valve. | ||
* R - Rip the envelope. Use only close to the ground and when you really really want to stay there. | * R - Rip the envelope. Use only close to the ground and when you really really want to stay there. | ||
== Dependencies == | |||
This aircraft depends on instruments from some other aircraft (for FlightGear 2.6.0 and above). Install these too. | |||
* [[Short Empire]] | |||
* [[Supermarine Spitfire|Spitfire II]] | |||
* [[Supermarine Spitfire Mk IX|Spitfire IX]] | |||
* [[ZLT-NT]] | |||
== | == Known problems == | ||
* | * The balloon envelope shader doesn't show over MP unless the property /sim/rendering/shaders/aircraft/balloon-envelope/quality-level is manually set to 1. The property might no longer be visible in the shader settings dialog also when the ZF Navy free balloon is the user's aircraft. | ||
* [http://www.gasballooning.net/BT-2361.pdf Theory of Ballooning, War Department, 25 Apr, 1940]. The basics in 13 pages. | == External links == | ||
* [https://web.archive.org/web/20150504200058/http://www.gasballooning.net/resources.htm A very good resource for information about and instructions for gas ballooning]. Has links to couple of (old but good) books available in PDF format. | |||
* [https://web.archive.org/web/20110103124518/http://www.gasballooning.net/BT-2361.pdf Theory of Ballooning, War Department, 25 Apr, 1940]. The basics in 13 pages. | |||
{{Aerostat}} | |||