Encyclopedia

spring tab

spring tab

spring tabclick for a larger image
A tab that acts as a servotab but in which a spring is incorporated in the linkage, permitting the tab position to be varied according to the applied stick force. Under normal flight loads, a spring tab has no role to play and remains streamlined to the control surface. However, when air loads are high and a large force is required to move the control surface, the spring tab moves in the opposite direction to that of the control surface on which it is mounted, and this aids the pilot in moving the control surface.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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References in periodicals archive
This AD requires inspection of the bolts on the hinge fittings that attach the spring tab and the servo tab to the rear spar of the elevators for evidence of loosening.
FAA adopts new airworthiness directive for Embraer EMB-145
The automaker is recalling the affected vehicles because the pawl spring tab in the side door latch could break.
Ford recalls 830,000 vehicles
The current AD requires various inspections to detect discrepancies of the elevator servo tab and spring tab hinge fittings of the horizontal stabiliser and follow-on corrective actions, if necessary.
US FAA issues airworthiness directives
It warns that a pawl spring tab in the side door latch could break, preventing the door from latching.
Ford US recalls 767,000 vehicles
This AD requires repetitive inspections to detect cracking of the trailing edge of the rudder spring tab and follow-on action if necessary.
FAA amends Boeing 757-200 AD
The automaker is recalling the vehicles due to a defective pawl spring tab within the door-latch assembly.
Ford recalls 156,000 vehicles
The problem is due to a door-latch pawl spring tab that is prone to failure.
Ford recalls Fiesta, Fusion and Lincoln MKZ in US
Once that is in place, insert the curved end of your scribe into the hole at the bottom of the sear/ejector spring, push the spring tabs into the frame slots, then pull down with the scribe to seat the bottom tabs of the spring into place.
Colt Model 380: working and improving Colt's Government Model 380
The automaker is recalling the vehicles because pawl spring tabs in the interior door latch pulls can break, which means the door may not be secured even if it seems to be closed.
Ford recalls 2,046,297 cars in US
Install the top plate screws and pop the spring tabs into the holes in the valve discs.
Rebuild a water softener
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