Adjustable Failsafe Regulator with Remote On/Off Switch
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Smart Fly Adjustable Failsafe Regulator with Remote On/Off Switch
The Smart-Fly failsafe regulator with on/off switch is a linear voltage regulator designed specifically for the demands of larger aircraft. Linear regulators operate in a noise-free way so they do not interfere with the radio in any way. The regulator will provide an adjustable output from approximately 5.2 to 6.7 volts. The regulator is rated a continuous 5 amps for an input of 8.4volts and an output of 6.0 volts, with surge currents to 9A. The Regulator will accept an input voltage of up to 13 volts. The continuous current rating will vary depending on the input to output voltage range (which can be computed by Amps = 12/(Vin-Vout)).
The silver metal object you see in the photo below of the Regulator is the regulator heatsink that dissipates the heat the regulator generates to keep the output voltage regulated. The heat, in watts, that a linear regulator generates can be calculated by Watts = Amps*(Vin-Vout). For 5 amps out and a battery voltage of 8.4 volts and an output voltage of 6.0 volts this is equal to 12 watts, which is quite a bit of heat. Without a heatsink to keep the regulator at a temperature below the rated maximum temperature the regulator will fail due over heating.
One feature than makes the Smart-Fly Regulator different from our competitors is our large output capacitors. What these do is store charge for use when the load changes suddenly. Without large output capacitors the output voltage would drop when the servos suddenly demand more current.
Another feature that makes the Smart-Fly Regulator different is the way the voltage is adjusted. The output voltage is adjusted by an integrated circuit instead of a mechanical potentiometer. What this means is there is no possibility of the output voltage changing due to vibration. The voltage is changed by a simple procedure of shorting two pins together momentarily to increase or decrease the output voltage.
On the Smart-Fly failsafe switch we have replaced the dual 22-gauge leads on the battery side with high-quality silicon 18-gauge wire and Deans’ UltraPlug connectors. This provides absolute minimal voltage loss between the battery and the regulator, even with the battery being quite a way from the regulator.
The Smart-Fly failsafe regulator has a remote on/off switch. The switch actually turns the failsafe regulator on and off and does not carry the system load current. If the switch or wiring between the switch and failsafe regulator were to fail the regulator stays in the on state until you unplug it from the battery. Because there is a connector between the regulator and the on/off switch, you can control multiple regulators with a single switch using a simple “Y” extension.
We also provide a pigtail, consisting of 18-gauge wire and a female Deans UltraPlug connector, and heatshrink tubing so you can convert your battery pack to Deans UltraPlug connector.
Adjustable Regulator with Failsafe Switch
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On the Smart-Fly standard failsafe switch we have dual 22-gauge output leads for connecting to the system. These dual leads reduce the voltage drop at higher currents that the wire and connectors cause.
Features:
• 18-gauge wire and Deans UltraPlug connector on input
• Dual output leads to receiver for low voltage drop in wires and connectors
• 5.20V to 6.5V output (350mV dropout @ 5A)
• 5.0V-13V input
• Heatsink for high, sustained current loads
• Universal connectors
• Small size 1.5” x 1.0” x 0.5”
• Low weight 1.5 oz
• Pigtail and heatshrink to connect to your battery
• Compatible with all radio systems
Smart-Fly is now offering two switch types for their regulators that have failsafe operation. The first is the standard switch that we have been shipping for 4 years now. This is a small slide switch similar to the switch that typically comes with your radio. The second switch is commonly refered to as a "Pin and Flag" switch. The idea behind this switch is that a pin, with a flag, is inserted into the switch turns your system off. To fly you remove the pin and flag from the switch and your system is turned on. The only way for your system to be turned off is to replace the pin.
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CAUTION: The Regulator with Failsafe Switch presents a slight load to your battery even when off. This load is 0.4mAH or about 10mA out of your pack for each 24-hour period. You should disconnect the battery if you the plane will be sitting for more than a couple days.
Adjustable Regular HD with Failsafe Switch
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On the Smart-Fly heavy-duty failsafe switch we have 18-gauge output lead with Deans UltraPlug connector to connecting to the system. This combination reduces the voltage drop at higher currents that the wire and connectors cause to practically nothing.
Features:
• 18-gauge wire and Deans UltraPlug connector on input
• 18-gauge wire and Deans UltraPlug connector on output
• 5.20V to 6.5V output (350mV dropout @ 5A)
• 5.0V-13V input
• Heatsink for high, sustained current loads
• Small size 1.5” x 1.0” x 0.5”
• Low weight 1.8 oz
• Pigtail and heatshrink to connect to your battery
• Compatible with all radio systems
Smart-Fly is now offering two switch types for their regulators that have failsafe operation. The first is the standard switch that we have been shipping for 4 years now. This is a small slide switch similar to the switch that typically comes with your radio. The second switch is commonly refered to as a "Pin and Flag" switch. The idea behind this switch is that a pin, with a flag, is inserted into the switch turns your system off. To fly you remove the pin and flag from the switch and your system is turned on. The only way for your system to be turned off is to replace the pin.
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Regulator
Price: £32.95
Availability: AVAILABLE