ElectroDynamics' On-line Store Header Section

Retract Accessories

Ultra Precision Valves

up2.jpg Ultra Precision UP2 Valve SKU: UP2 Price: 99.50
Retract Valve with Automatic Door Control
(Doors closed when down)

Specifications:
Single speed control for legs3-10 seconds recommended
Dual speed control for doors0.5-3 seconds recommended
Single air inlet30-200 pounds
Four outlets for legs
Four outlets for door cylinders
Standard servo actuation0.3 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
Door Closed:
Strut in the down position
Door Closed:
Down selected - servo moves spoolUp selected - servo moves spool
Door opensDoor opens
Leg lowersLeg raises
Leg locked downLeg locked up
Door closes Door closes
Qty:
up3.jpg Ultra Precision UP3 Valve SKU: UP3 Price: 99.50
Retract Valve with Automatic Door Control
(Doors open when down)

Specifications:
Dual speed control for legs3-10 seconds recommended
Dual speed control for doors0.5-3 seconds recommended
Single air inlet30-200 pounds
Four outlets for legs
Four outlets for door cylinders
Standard servo actuation0.3 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
Door Closed:
Strut in the down position
Door Open:
Down selected -servo moves spoolUp selected - servo moves spool
Door opens 
Leg lowersLeg raises
Leg locked downLeg locked up
Door stays openDoor closes

Qty:
up4.jpg Ultra Precision UP4 Valve SKU: UP4 Price: 61.50
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
Door Closed:
Strut in the down position
Door Open:
Down selected -
  Servo moves spool on U.P.2
Up selected -
  Servo moves spool on U.P.2
Door opensDoor opens
Retract lowersLeg raises
Leg locked downLeg locked up
Door stays openDoor closes
Qty:
up6.jpg Ultra Precision UP6 Valve SKU: UP6 Price: 69.95

Variable Pressure Brake Control Valve
Proportional control of braking action.

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)
Qty:
up8.jpg Ultra Precision UP8 Valve SKU: UP8 Price: 38.50
Adjustable Speed Air-up/Air-down Retract Control Valve
with bulkhead and flat plate mount.
Specifications:
Independent up and down
Speed control2-10 seconds recommended
Single air inlet30-120 pounds
Standard servo actuation0.3 inches travel
Weight.78 ounces
Qty:
126.jpg EDR-126 Gear Saver SKU: EDR126 Price: 49.95 On Sale! 44.95
Plugs between Rx Gear Channel and Gear Servo
Prevents accidental gear collapse on power-up
Now in-stock and shipping!!
Qty:
125.jpg EDR-125 Gear Mg'R SKU: EDR125 Price: 119.95 On Sale! 99.95
"Plugs into Rx Gear, Elevator and Rudder Channels
  • Manages Retracts, Steering and Brake
  • Frees up Steering and Brake channels on the radio
  • No complicated Tx mixing
  • Saves up to 4 mixes!
  • Prevents accidental gear collapse on power-up
Now in-stock and shipping!! "
Qty:
TJ-GFS.jpg Tam Jets Retract Failsafe Price: 109.95
  • Automatically lowers undercarriage when air leak detected.
  • Prevent accidental retraction on radio power-up.
  • Supplied with 4mm tubing and tee connector.
Qty: