Today's Message Index:
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1. 06:40 PM - Placement options for CHT probe (John Fitt)
2. 07:22 PM - Re: Placement options for CHT probe (Charlie England)
3. 09:23 PM - Re: Placement options for CHT probe (John Fitt)
Message 1
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| Subject: | Placement options for CHT probe |
Greetings from Sebastopol, CAHas anybody used a cylinder head bolt ( immedi
ately next to a spark plug) instead of the probe ring=C2-under the plug?
I am currently using the cylinder head bolts, wanting to eliminate the wear
and tearon the probe ring when checking/changing plugs. Seems that the tem
p. readings are lower- maybe due to the heat lost near a fin?FSII 503 dcdi
=C2-EIS monitorCHT runs around 100-120 deg
John Fitt
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| Subject: | Re: Placement options for CHT probe |
On 6/7/2018 8:35 PM, John Fitt wrote:
> Greetings from Sebastopol, CA
> Has anybody used a cylinder head bolt ( immediately next to a spark
> plug) instead of the probe ring
> under the plug? I am currently using the cylinder head bolts, wanting
> to eliminate the wear and tear
> on the probe ring when checking/changing plugs. Seems that the temp.
> readings are lower- maybe due to the heat lost near a fin?
> FSII 503 dcdi
> EIS monitor
> CHT runs around 100-120 deg
>
> John Fitt
From the Lycoming world: Washer-based cht probes on the plugs always
indicate significantly higher than probes screwed into the heads. The
plug is the hottest spot in the cylinder.
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Message 3
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| Subject: | Re: Placement options for CHT probe |
Thanks for the reply. Any way to save on the wear and tear?
Sent from my iPhone
> On Jun 7, 2018, at 7:22 PM, Charlie England <ceengland7@gmail.com> wrote:
>
>> On 6/7/2018 8:35 PM, John Fitt wrote:
>> Greetings from Sebastopol, CA
>> Has anybody used a cylinder head bolt ( immediately next to a spark plug)
instead of the probe ring
>> under the plug? I am currently using the cylinder head bolts, wanting to e
liminate the wear and tear
>> on the probe ring when checking/changing plugs. Seems that the temp. read
ings are lower- maybe due to the heat lost near a fin?
>> FSII 503 dcdi
>> EIS monitor
>> CHT runs around 100-120 deg
>>
>> John Fitt
> =46rom the Lycoming world: Washer-based cht probes on the plugs always ind
icate significantly higher than probes screwed into the heads. The plug is t
he hottest spot in the cylinder.
>
> Virus-free. www.avast.com
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