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|
U.P. 2
Retract Valve with Automatic Door Control
(Doors closed when down)
|
Specifications:
|
| Single speed control for legs | 3-10 seconds recommended |
| Dual speed control for doors | 0.5-3 seconds recommended |
| Single air inlet | 30-200 pounds |
| Four outlets for legs |
| Four outlets for door cylinders |
| Standard servo actuation | 0.3 inches travel. Special slow servo is not required. |
| Size: | 1.94 x 1.18 x .62 inches |
| Weight: | 2.3 oz |
|
Sequence of Operation
|
| Strut in the up position: |
Strut in the down position: |
| Down selected -servo moves spool | Up selected - servo moves spool |
| Door opens | Door opens |
| Retract lowers | Leg raises |
| Leg locked down | Leg locked up |
| Door closes |
Door closes |
U.P. 3
Retract Valve with Automatic Door Control
(Doors open when down)
 
|
Specifications:
|
| Dual speed control for legs | 3-10 seconds recommended |
| Dual speed control for doors | 0.5-3 seconds recommended |
| Single air inlet | 30-200 pounds |
| Four outlets for legs |
| Four outlets for door cylinders |
| Standard servo actuation | 0.3 inches travel. Special slow servo is not required. |
| Size: | 1.94 x 1.25 x .62 inches |
| Weight: | 2.4 oz |
|
Sequence of Operation
|
| Strut in the up position: |
Strut in the down position: |
| Down selected -servo moves spool | Up selected - servo moves spool |
| Door opens | Leg raises |
| Retract lowers | Leg locked up |
| Leg locked down | Door closes |
| Door stays open |
U.P. 4
Secondary Control Valve
For use with the U.P.2 valve to provide control of secondary doors which need to stay open when the
gear is down even though the main doors are shut, such as the tailwheel doors on Mustangs and strut doors on the B25.
|
Specifications: |
| Requires NO mechanical link, just air lines |
| Dual speed control for doors, 0.5-3 seconds recommended |
| Single air inlet 30 200 pounds |
| Four outlets for door cylinders |
| Size: 1.94 x .8 x .62 inches |
| Weight: 1.52 oz |
|
Sequence of Operation
|
| Strut in the up position: |
Strut in the down position: |
Down selected -
Servo moves spool on U.P.2 | Up selected -
Servo moves spool on U.P.2 |
| Door opens | Door opens |
| Retract lowers | Leg raises |
| Leg locked down | Leg locked up |
| Door stays open | Door closes |
U.P. 6
Variable Pressure Brake Control Valve
 
|
Specifications:
|
| Input pressure | 100 PSI |
| Output pressure | 0-100 PSI proportional to servo travel |
| Main housing size | 1.50 x .85 x .375 |
| Weight | 27 grams |
| Servo travel | .4 inches |
| Servo force for maximum pressure | 4.5 lbs
(26 oz-inch servo with output hole .3 inches from hub) |
U.P. 8
Adjustable Speed Retract Control Valve with bulkhead and flat plate mount
|
Specifications:
|
| Independent up and down |
| Speed control | 2-10 seconds recommended |
| Single air inlet | 30-120 pounds |
| Standard servo actuation | 0.3 inches travel |
| Weight | .78 ounces |
|
