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GLJSOJ1
Joined: 18 Aug 2007
Posts: 82
Location: Chesapeake, Virginia
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 Posted: Sun Aug 16, 2009 8:23 am Post subject: Westach INSTRUMENTS |
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Hi Everyone
I am trying to get more hours flown, but I keep blowing my oil temp sender that attaches to my Westach 4 in 1 gauge. I have just blown my third one after only 1 hour flying time.
This sender has two wires coming out the back, one grounded to the same ground as the instrument and the other going to the back of the instrument. I am showing 12.5 - 13 volts on the battery and 15.6 to 16 volts when the alternator is on line. I have the wires tie wrapped within 1-11/2 inches from the sender.
Does anybody else have a westach oil temp gauge and what issues has anybody had and are there any fixes. I am going to email westach today also. As an alternative, is that a compatible oil temp sender anybody has used?
Thanks
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601XL N676L FLYING PHASE I
CHESAPEAKE VA |
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leo.gates
Joined: 29 Nov 2008
Posts: 35
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| Posted: Sun Aug 16, 2009 8:52 am Post subject: Westach INSTRUMENTS |
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I have a separate Westach Oil Temp gauge. No problem 200+ hours. Rotax
912 oil temp sender. Your voltage looks high with the alternator on.
Mine is 12.4 off and 13.8 on.
Leo Gates
N601Z, CH601HDS TDO
GLJSOJ1 wrote:
| Quote: |
Hi Everyone
I am trying to get more hours flown, but I keep blowing my oil temp sender that attaches to my Westach 4 in 1 gauge. I have just blown my third one after only 1 hour flying time.
This sender has two wires coming out the back, one grounded to the same ground as the instrument and the other going to the back of the instrument. I am showing 12.5 - 13 volts on the battery and 15.6 to 16 volts when the alternator is on line. I have the wires tie wrapped within 1-11/2 inches from the sender.
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jimandmandy(at)yahoo.com
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| Posted: Sun Aug 16, 2009 10:37 am Post subject: Westach INSTRUMENTS |
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If you are using a Rotax sender, that is really a VDO automotive sender. There are two types of VDO senders with different ranges, ~0-80psi and ~0-150psi. The exact ranges are in bar units, of course. Any sender with the proper relationship of resistance vs pressure and the correct pipe thread will work.
Jim LoBue
--- On Sun, 8/16/09, Leo Gates <leo(at)zuehlfield.com> wrote:
| Quote: |
From: Leo Gates <leo(at)zuehlfield.com>
Subject: Re: Westach INSTRUMENTS
To: zenith-list(at)matronics.com
Date: Sunday, August 16, 2009, 9:52 AM
--> Zenith-List message posted by: Leo Gates <[url=/mc/compose?to=leo(at)zuehlfield.com]leo(at)zuehlfield.com[/url]>
I have a separate Westach Oil Temp gauge. No problem 200+ hours. Rotax
912 oil temp sender. Your voltage looks high with the alternator on.
Mine is 12.4 off and 13.8 on.
Leo Gates
N601Z, CH601HDS TDO
GLJSOJ1 wrote:
| Quote: | --> Zenith-List message posted by: "GLJSOJ1" <[url=/mc/compose?to=gljno10(at)hotmail.com]gljno10(at)hotmail.com[/url]>
Hi Everyone
I am trying to get more hours flown, but I keep blowing my oil temp sender that attaches to my Westach 4 in 1 gauge. I have just blown my third one after only 1 hour flying time.
This sender has two wires coming out the back, one grounded to the same ground as the instrument and the other going to the back of the instrument. I am showing 12.5 - 13 volts on the battery and 15.6 to 16 volts when the alternator is on line. I have the wires tie wrapped within 1-11/2 inches from the sender.
p; --> http://www.matronics.com/Navigator?Zenith-List[b]http://forums.matrobsp; - List Contribution Web Site -http://w=======================
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[quote][b]
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s.clive.richards(at)homec
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| Posted: Sun Aug 16, 2009 11:52 am Post subject: Westach INSTRUMENTS |
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Your generator voltage regulator is high should regulate around 14.2 volts
15 max. The gauge should limit the current to the sender to a low value
check you donot have an intermitant short applying full battery voltage to
the sender.
Clive
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GLJSOJ1
Joined: 18 Aug 2007
Posts: 82
Location: Chesapeake, Virginia
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| Posted: Sun Aug 16, 2009 12:31 pm Post subject: Re: Westach INSTRUMENTS |
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Thanks Guys
I will look in to the "short" idea further. I have questioned the high voltage and local pilots say it's fine. I'll start digging more tonight. for some answers.
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_________________
601XL N676L FLYING PHASE I
CHESAPEAKE VA |
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