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np
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« on: February 05, 2014, 11:56 AM »

 Smiley
« Last Edit: April 01, 2014, 05:58 PM by np » Logged
JayDee
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« Reply #1 on: February 05, 2014, 12:10 PM »

What is the point of the _short_ take off?  If the jet can stand in mid-air and land vertically, shouldn't it be able to take off vertically, too?
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Frequent Fliers: Talon Std, UL and Vtd, Widow Maker Std and UL, Solus Std, Widow (modded), ATM SUL, Duende Std
Rarely flown: Exile UL, Zephyr, E2, Ozone, Micron, Quantum
lylenc
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« Reply #2 on: February 05, 2014, 02:47 PM »

F35B specifications show weight empty 32,300#, maximum weight 60,000#, and vertical thrust 40,500#. Takeoff weight is more than vertical thrust, so it needs a short takeoff to overcome the extra weight when full of fuel and armaments. That's my best guess.
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Craig     Walla Walla, WA     Just One More!
chilese
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« Reply #3 on: February 05, 2014, 03:06 PM »

The F35 can save a lot of fuel during take-off it if uses a short horizontal run along with vertical assist.

Pure vertical eats max fuel and has a higher likelyhood of tossing debris back into the jet body.
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John Chilese: Las Vegas, NV
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KaoS
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« Reply #4 on: February 05, 2014, 03:41 PM »

Now, it's time for Tim Benson to come out with his very own latest and greatest.

Naa, the Brits were using their Hawker Siddeley Harrier in the 1970s/early 1980s (Falklands!!).  They think it is "old hat"  Cheesy 

Must've been a good plane, the USMC used them from 1971 onwards
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Kevin Sanders

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jaydub
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« Reply #5 on: February 05, 2014, 03:45 PM »

Couldn't have put it better. Kevin. Wink
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tarheel
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« Reply #6 on: February 05, 2014, 07:53 PM »

What is the point of the _short_ take off?  If the jet can stand in mid-air and land vertically, shouldn't it be able to take off vertically, too?
More lift is required to take off, ie gain elevation, than to land or lose elevation.  If the rotor can't quite equal the gravitational pull on the mass of the plane, it can't take off without lift from the wings.  But the rotor could slow the descent significantly.

Simple physics, up takes more force than down.
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John Welden
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« Reply #7 on: February 06, 2014, 06:32 AM »

Keep it simple stupidů.

This whole deal seems unnecessary.

Plus who cares about maned planes anymore. They've got 1000's of drones.  Huh
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Hadge
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« Reply #8 on: February 06, 2014, 08:32 AM »

Whats with all the flappy bits sticking out all over when it takes off??!
Simple elegence
This is the way to do it! Wink

Have you seen the new BAE (British Aeronautical Engineering) systems drone...we got stealth! Grin


http://www.telegraph.co.uk/news/uknews/defence/10619378/Successful-test-flight-for-Taranis-stealth-drone.html




......OK flag waving over Wink Grin
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Age and cunning will always overcome youth and skill!

In the bag - HQ Shadow, Prism 4D, Flying Wings Soul Mid Vent, HQ Jive (1), Spiderkites Zodarion, 'Paw' modded HQ Maestro ll, HQ Delta Hawk.
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