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All Forums >> Radios, Batteries, Clubhouse and more >> RC Radios, Transmitters, Receivers, Servos, gyros >> Radio Manufacturer Direct Support >> Hitec/MultiPlex Radios- Ask Hitec Customer Service >> Optima 9 - Fuel Level Sensor + Gas & Glow
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Optima 9 - Fuel Level Sensor + Gas & Glow - 12/29/2011 8:07 PM   
Juker008


 

Posts: 99
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Joined: 12/8/2010
Last Login: 3/7/2013
From: South Florida, FL, USA
Status: offline 		I wanted to see if anyone has had any success being able to have the Fuel level sensor monitor fuel levels when gas is mixed with Glow fuel. 


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RE: Optima 9 - Fuel Level Sensor + Gas & Glow - 12/29/2011 9:07 PM   
A.T.


 

Posts: 2360
Score: 181
Joined: 7/20/2002
Last Login: 5/22/2013
From: Auckland, NEW ZEALAND
Status: offline
quote:

ORIGINAL: Juker008    I wanted to see if anyone has had any success being able to have the Fuel level sensor monitor fuel levels when gas is mixed with Glow fuel.     


Telemetry - Instruction Sheets & User Guide with pictures plus Enhancements Under Development.
extract:
"6. Fuel Level Sensor:
Is for Glow Fuel only.
"The problem with gas is that its' density is much lower than glow fuel, or water for that matter,
even with oil mixed; thus the sensors cannot detect it.
I'm not sure if we will be able to overcome this with the existing sensors.Mike."
Sensor - reason for not detecting petrol or kerosene levels
Dielectric Constant of some common Liquids
Methanol (Methyl Alcohol) (31.1 ) (33.1 at 68° F)
Petroleum 2.0-2.2
Kerosene (70° F) 1.8 "

ex "Telemetry" references under Hitec USA Support Forum Sticky:
Aurora 9, AFHSS Spectra Modules, Optima Transceivers, Minima Receivers & Telemetry
- FAQ & Undocumented Features.
- Mixes, Setups,Tips. {Individual Links often updated}

Alan T.
Alan's Hobby, Model & RC FAQ Web Links

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RE: Optima 9 - Fuel Level Sensor + Gas & Glow - 12/30/2011 9:25 PM   
Juker008


 

Posts: 99
Score: 100
Joined: 12/8/2010
Last Login: 3/7/2013
From: South Florida, FL, USA
Status: offline 		Thank you for the reply. It seems to me that one member was successful in getting the sensor to work with teh additon of 10% nitro. My question is, 10% nitro added (if so what was the final ratio gas:nitro), or is it a solution of 10% total.


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RE: Optima 9 - Fuel Level Sensor + Gas & Glow - 12/31/2011 1:00 AM   
A.T.


 

Posts: 2360
Score: 181
Joined: 7/20/2002
Last Login: 5/22/2013
From: Auckland, NEW ZEALAND
Status: offline
quote:

ORIGINAL: Juker008    Thank you for the reply. It seems to me that one member was successful in getting the sensor to work with teh additon of 10% nitro. My question is, 10% nitro added (if so what was the final ratio gas:nitro), or is it a solution of 10% total.  


With limited knowledge of liquid mechanics, believe ratio would vary depending upon both climate and elevation.
Trial and error at perhaps little cost does often produce surprisong results.
. Will not damage the sensor nor HTS-SS,  but beware as few tank bungs are able to
withstand both Nitro and Petrol which is why Sullivan & Du-Bro provide separate materials. 

Alan T.


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