Today's Message Index:
----------------------
1. 08:11 AM - Re: spy photo of special projects (discover)
2. 08:50 AM - Spark Plugs - Fine Wire Safety Warning (923te)
3. 09:15 AM - Re: Flying 626 (discover)
4. 09:27 AM - Re: Re: spy photo of special projects (Gary Vogt)
5. 09:40 AM - Re: Spark Plugs - Fine Wire Safety Warning (Gary Vogt)
6. 09:44 AM - Re: Spark Plugs - Fine Wire Safety Warning (Gary Vogt)
7. 09:45 AM - Re: Re: Flying 626 (Gary Vogt)
Message 1
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| Subject: | Re: spy photo of special projects |
Gary, so how did the shark gill exits work for cooling?
In the picture it appears there is no pop out from the cowl bottom like
the Jaguar cowl has. They look flat and even with the bottom. Is that correct?
I'm curious to know how the cooling compared before / after
Curious about your "new math" that says higher velocity exit air even with increasing
exit area 33%??????? The 'vanes' should keep birds out tho.
Merry Christmas,
Ned
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=361597#361597
Message 2
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| Subject: | Spark Plugs - Fine Wire Safety Warning |
I've been looking for reasons why my plane isn't as fast as it used to
be. Maybe I found something.
I found a MSB concerning fine wire plug failures from Tornado Alley
turbo:
http://www.taturbo.com/TATSR22-SB11-05%20fine%20wire%20spark%20plugs%20in
itial%20release%20sept%2023%202011.pdf
Beechtalk has a thread on this issue where they mention that NA or
Normally aspirated engines have the same failure with fine wire plugs.
http://www.beechtalk.com/forums/viewtopic.php?f=37&t=59668&hilit=fi
ne+wire
In addition, Tempests' new advertising campaign lists acceptable
resistance of spark plugs as :
500 - 3000 ohms = New - Good
500 - 5000 ohms = Used - Good
>=5000 ohms = No Good-Hard Starting-Misfire-Poor Combustion
ref.: http://www.electroair.net/pdf/SparkPlugCard.pdf
So I pulled my Champion REM38S fine wires to look for broken ceramic and
measured resistance:
No broken ceramic but resistance was very high.
Plug Resistance k-ohms
Cyl Top Bottom Bottom
1 29.8 68.9 Oily
2 No Continuity 2.8 Dry
3 5.7 5.9 Oily
4 12.9 33.7 Oily
Spare 19.16 Spare was removed becaused it kept fouling
If Tempest resistance values apply to Champion plugs then all my plugs
are bad One plug had no continuity at all. Resistance measured while
cold ~ 35 deg F.
The engine used to bust right off, starting first blade. Last year or so
of flying it was hard to start and would misfire when loading up, ie
when keeping WOT and lowering RPM
all pointing to a possible igniton problem.
New plugs going in. Hope to be flying again next week and we'll see how
it does with new plugs....and a straight cowling....
Ned
Message 3
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Larry said
As far as 626FT, it will be nice to see how it trues out when we get a Jaguar on
it with that new induction system.
Gary, can you expand on this? Are you adding this to the Jag STC?
It would be great if I could participate in this and get rid of the AA5B
airbox.
Ned
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=361602#361602
Message 4
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| Subject: | Re: spy photo of special projects |
Haven't flown it yet
----- Original Message -----
From: discover <923te@att.net>
Cc:
Sent: Saturday, December 24, 2011 8:08 AM
Subject: TeamGrumman-List: Re: spy photo of special projects
Gary, so how did the shark gill exits work for cooling?
In the picture it appears there is no pop out from the cowl bottom like
the Jaguar cowl has. They look flat and even with the bottom. Is that correct?
I'm curious to know how the cooling compared before / after
Curious about your "new math" that says higher velocity exit air even with increasing
exit area 33%??????? The 'vanes' should keep birds out tho.
Merry Christmas,
Ned
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=361597#361597
Message 5
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| Subject: | Re: Spark Plugs - Fine Wire Safety Warning |
I always use 37BY plugs.=0A=0A=0A________________________________=0A From:
923te <923te@att.net>=0ATo: teamgrumman-list@matronics.com =0ASent: Saturda
y, December 24, 2011 8:48 AM=0ASubject: TeamGrumman-List: Spark Plugs - Fin
e Wire Safety Warning=0A =0A=0A =0AI've been looking for reasons why my pla
ne isn't as fast as it used to be. =0AMaybe I found something. =0A-=0AI f
ound a MSB concerning fine wire plug failures from Tornado Alley =0Aturbo:
=0Ahttp://www.taturbo.com/TATSR22-SB11-05%20fine%20wire%20spark%20plugs%20i
nitial%20release%20sept%2023%202011.pdf=0A-=0ABeechtalk has a thread on t
his issue where they mention that NA or Normally =0Aaspirated engines have
the same failure with fine wire plugs.=0Ahttp://www.beechtalk.com/forums/vi
ewtopic.php?f=37&t=59668&hilit=fine+wire=0A-=0AIn addition, Tempest
s' new advertising campaign lists acceptable resistance =0Aof spark plugs a
s :=0A-=0A500 - 3000 ohms = New - Good=0A500 - 5000 ohms = Used - Goo
d=0A>=5000 =0Aohms = No Good-Hard Starting-Misfire-Poor Combustion=0Are
f.: http://www.electroair.net/pdf/SparkPlugCard.pdf=0A-=0ASo I pulled my
Champion REM38S fine wires to look for broken =0Aceramic-and measured res
istance:=0ANo broken ceramic but resistance was very high.=0A-=0APlug Res
istance k-ohms=0A-=0ACyl--- =0ATop-----------
------ =0ABottom---------- Bottom=0A1--
--- =0A29.8-------------------
=0A68.9---------------- =0AOily=0A2--
--- No =0AContinuity------ =0A2.8--------
-------- =0ADry=0A3------- =0A5.7----
------------------5.9------
-----------Oily=0A4------12.9----
----------------33.7-------
--------- =0AOily=0A-=0ASpare 19.16 Spare was removed b
ecaused it kept fouling=0A-=0AIf Tempest resistance values apply to Champ
ion plugs then all my plugs are =0Abad One plug had no continuity at all. R
esistance measured while cold ~ 35 deg =0AF.=0AThe engine used to bust righ
t off, starting first blade. Last year or so of =0Aflying it was hard to st
art and would misfire when loading up, ie when keeping =0AWOT and lowering
RPM=0Aall pointing to a possible igniton problem.=0A-=0ANew plugs going i
n. Hope to be flying again next week and we'll see how it =0Adoes with new
=============
Message 6
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| Subject: | Re: Spark Plugs - Fine Wire Safety Warning |
what engine is in the SR-22?=0A=0AI think the change to RHB29E is a guess.
-Plug runs cooler. -I don't think they know the failure mode.=0A=0AIf t
he SR-22 has angle valves, well, it's an entirely different animal.=0A=0A
=0A________________________________=0A From: 923te <923te@att.net>=0ATo: te
amgrumman-list@matronics.com =0ASent: Saturday, December 24, 2011 8:48 AM
=0ASubject: TeamGrumman-List: Spark Plugs - Fine Wire Safety Warning=0A =0A
=0A =0AI've been looking for reasons why my plane isn't as fast as it used
to be. =0AMaybe I found something. =0A-=0AI found a MSB concerning fine w
ire plug failures from Tornado Alley =0Aturbo:=0Ahttp://www.taturbo.com/TAT
SR22-SB11-05%20fine%20wire%20spark%20plugs%20initial%20release%20sept%2023%
202011.pdf=0A-=0ABeechtalk has a thread on this issue where they mention
that NA or Normally =0Aaspirated engines have the same failure with fine wi
re plugs.=0Ahttp://www.beechtalk.com/forums/viewtopic.php?f=37&t=59668&
hilit=fine+wire=0A-=0AIn addition, Tempests' new advertising campaign l
ists acceptable resistance =0Aof spark plugs as :=0A-=0A500 - 3000 ohms
= New - Good=0A500 - 5000 ohms = Used - Good=0A>=5000 =0Aohms = No
Good-Hard Starting-Misfire-Poor Combustion=0Aref.: http://www.electroair.ne
t/pdf/SparkPlugCard.pdf=0A-=0ASo I pulled my Champion REM38S fine wires t
o look for broken =0Aceramic-and measured resistance:=0ANo broken ceramic
but resistance was very high.=0A-=0APlug Resistance k-ohms=0A-=0ACyl
--- =0ATop----------------- =0ABott
om---------- Bottom=0A1----- =0A29.8---
---------------- =0A68.9------
---------- =0AOily=0A2----- No =0AContinuity
------ =0A2.8----------------
=0ADry=0A3------- =0A5.7------------
----------5.9--------------
---Oily=0A4------12.9------------
--------33.7---------------
- =0AOily=0A-=0ASpare 19.16 Spare was removed becaused it kept fouling
=0A-=0AIf Tempest resistance values apply to Champion plugs then all my p
lugs are =0Abad One plug had no continuity at all. Resistance measured whil
e cold ~ 35 deg =0AF.=0AThe engine used to bust right off, starting first b
lade. Last year or so of =0Aflying it was hard to start and would misfire w
hen loading up, ie when keeping =0AWOT and lowering RPM=0Aall pointing to a
possible igniton problem.=0A-=0ANew plugs going in. Hope to be flying ag
ain next week and we'll see how it =0Adoes with new plugs....and a straight
=========================0A
=====
Message 7
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the AA5B airbox is a better inlet.=0A=0AI'll expand more when the time is r
ight.=0A=0A=0A________________________________=0A From: discover <923te@att
.net>=0ATo: teamgrumman-list@matronics.com =0ASent: Saturday, December 24,
2011 9:12 AM=0ASubject: TeamGrumman-List: Re: Flying 626=0A =0A--> TeamGrum
man-List message posted by: "discover" <923te@att.net>=0A=0ALarry said=0AAs
far as 626FT, it will be nice to see how it trues out when we get a Jaguar
on it with that new induction system. =0A=0AGary, can you expand on this?
Are you adding this to the Jag STC?=0AIt would be great if I could particip
ate in this and get rid of the AA5B=0Aairbox. =0ANed=0A=0A=0A=0A=0ARead thi
s topic online here:=0A=0Ahttp://forums.matronics.com/viewtopic.php?p=361
===========
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