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HelicopterEngines Plugs Mufflers Fuel › Venom Temp question
11-30-2005 01:05 PM  12 years agoPost 1
mastic

rrVeteran

Tallahassee,Fla

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Hey can anyone tell me how accurate the Venom Temp meter is ? Considering you just loop the sensor over the head and push the piece of fuel tubing up to make it tight it doesnt seem to be very accurate ,,,and what if the sensor touches the head wont that make higher readings...I was told 220 degrees was what I wanted for my Os32 but with the meter it is running real rich it seems.any help? Thanks

Raptor 30,Raptor 50, VoyagerE,QJ8

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11-30-2005 04:13 PM  12 years agoPost 2
PPLON

rrApprentice

Mexico City

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depens on how you installed it... sensor facing to the air flow or below. , always between 2 and 3 fin below the head...


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11-30-2005 09:32 PM  12 years agoPost 3
andres.c

rrKey Veteran

pan

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I use it as a refference but rely on my raytek hand held temp gun

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12-02-2005 03:16 AM  12 years agoPost 4
LS1Heli

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Darien, Illinois

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I have one mounted on my YS 91 and had one mounted on my OS 37. After purchasing one and using it I personally would not fly without one. I feel that the accurracy is good (for it's intended purpose) which is to tune the engine and get the tune in the "sweet" spot. You can tell if your rich or lean.

If you mount it sensor wire CORRECTLY which is 90* from the exhaust port and keep it at the last fin I feel it is very accurate.

Raptor 90SE

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12-02-2005 05:04 AM  12 years agoPost 5
shuttlepilot

rrElite Veteran

Mullins, South Carolina

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depens on how you installed it... sensor facing to the air flow or below. , always between 2 and 3 fin below the head...
I have mine mounted right below the head in the first fin. I thought this is where the instructions said to mount it. I'm curious what the concensus is on this. My sensor is 90deg from the exhaust port on the back of the cylinder.

Gas is Great
Camper Fuel is Better!!
QWW Helis

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12-02-2005 05:17 AM  12 years agoPost 6
LS1Heli

rrApprentice

Darien, Illinois

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No. Thats too cool. The further you get from the exhaust chamber the cooler and less accurate it is. Move it back to the last fin. It should be right up next to the exhaust chamber. The red sensor should be 90* as stated. I have mine placed on the top of engine.

Raptor 90SE

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12-02-2005 05:44 AM  12 years agoPost 7
shuttlepilot

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Mullins, South Carolina

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Can't be too cool reading 250deg......The sensor is 90 deg from the exhaust port. In the 1st fin below the head. It is not in the airflow of the fan.....it's at the back of the engine. At any rate, I just kind of use it as a loose guide. I flew helis for many many years without a temp monitor. I got a deal on one so I thought I would use it.......been worrying over the thing ever since.

Gas is Great
Camper Fuel is Better!!
QWW Helis

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HelicopterEngines Plugs Mufflers Fuel › Venom Temp question
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