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(Other than) toe brake types?

Old 12th Feb 2015, 10:46
  #41 (permalink)  
 
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Supercub has heel brakes. Tiger moth has a hand brake style lever (assuming it has brakes at all).
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Old 12th Feb 2015, 12:17
  #42 (permalink)  
 
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The Lockheed Hudson has a 'Johnson Bar', similar in operation to the brake lever on the Chipmunk. The Hudson at Temora still has this system.
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Old 12th Feb 2015, 13:32
  #43 (permalink)  
 
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A particular Tiger Moth I used to instruct on, and fly for pleasure, had the original U.K. 'spoon' type skid, until it proved to be absolutely useless on the hard sand of the W A wheatbelt, as it simply skidded over it.....

Then - the local LAME 'got onto it' and braised a 'T' piece to the bottom of the skid, fabricated from a 'bastard metal file' and - 'Lo & Behold' ....the effect was bleedin' marvellous.

As soon as the tail went down, the 'old girl' was able to be stopped 'on a dime'....

Was a real pleasure to fly, and to stop....as required.....

You may / may not find 'that' mod in the Flight Manual..... But, it DID work a 'treat'...

Cheers
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Old 13th Feb 2015, 03:06
  #44 (permalink)  
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As always, the anecdotes you share are far superior to the statistics derived. Thanks to djpil and tipsy for picking up the omission, original summary edited.
Thanks again PP,
AF
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Old 13th Feb 2015, 13:39
  #45 (permalink)  
 
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'Johnson Bar'
Folks,

I wonder who Johnson was, his bar must have been very versatile --- all B707 had one, but it was nothing to do with the brakes.

Tootle pip!!
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Old 14th Feb 2015, 04:52
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I think the control for the lever flaps found in Cherokees, Tomahawks, tailwheel Cessnas and myriad other aeroplanes is called a Johnson bar too isn't it?
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Old 14th Feb 2015, 05:48
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The BIG lever gear retraction system on the older Mooneys was also called a "Johnson" bar!
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Old 14th Feb 2015, 07:30
  #48 (permalink)  
 
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I first heard the term in the Mooney gear context. One of my less distinguished moments involved somehow chopping an instructor's headset cable in the lever locking arrangement.

Turns out 'Johnson Bar' is fairly generic. See:

Johnson bar (vehicle) - Wikipedia, the free encyclopedia)
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Old 14th Feb 2015, 09:32
  #49 (permalink)  
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One of my less distinguished moments involved somehow chopping an instructor's headset cable in the lever locking arrangement.
So what was the problem?
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Old 14th Feb 2015, 09:49
  #50 (permalink)  
 
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The Partenavia P64 had its brake lever up in the roof.
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Old 14th Feb 2015, 11:57
  #51 (permalink)  
 
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If I recall correctly, the Lockheed Hudson had a handbrake and differential braking (if that is the correct word) was available by pushing one rudder pedal called a rudder bar, while simultaneously pulling out the hand brake.

In a rejected take off, the amount of braking was very much dependent on how strong the pilot's right arm was. The position and angle of the hand brake lever made it difficult to pull right back due to the awkward angle of one's elbow. At Camden in 1949 a Hudson of the Sydney Morning Herald Flying Services aborted a take off in thick fog. I was the dispatcher and heard the sound of the engines being throttled back and then a quite terrifying sound of squealing tyres.

The pilot taxied back and did another take off in the fog and this time got airborne. Thirty minutes after the Hudson departed at 0400, I drove a jeep down the runway still with 100 metres of fog, to collect the flare pots and noticed the tyre skid marks curving off the runway. That Hudson came awful close to a ground-loop and was lucky to get away with it.

A few nights later at close to midnight on Ist January 1950, the same Hudson VH-SMK, and with the same pilot, the aircraft became airborne and around 500 feet stalled and crashed killing its two pilots. Investigators were unable to determine why the aircraft was allowed to stall. One possibility was a problem with the artificial horizon which may have been caged.
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