Today's Message Index:
----------------------
1. 05:43 AM - Re: Stromberg NA-S3A1 carb (skellytown flyer)
2. 08:03 AM - Re: Re: Stromberg NA-S3A1 carb (ALAN LYSCARS)
3. 09:13 AM - Re: Re: tank float indicator (Jack Phillips)
4. 11:34 AM - 100 Report NX899KP (kevinpurtee)
5. 05:21 PM - Re: Re: Stromberg NA-S3A1 carb (Ben Charvet)
6. 06:41 PM - Re: 100 Report NX899KP (Rick Holland)
7. 06:52 PM - Re: Re: Stromberg NA-S3A1 carb (Jack Phillips)
Message 1
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| Subject: | Re: Stromberg NA-S3A1 carb |
Thanks again for the info. I will get back to the carb when I get a chance and
check the Venturi diameter.I can handle that and since I am planning on running
100LL for the near future at least when I get the thing complete I'm not going
to sweat the rest if it only drips occasionally -just close the valve as normal
and move along.the diameter was the big thing I needed.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=297884#297884
Message 2
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| Subject: | Re: Stromberg NA-S3A1 carb |
You can buy rebuild parts, including the venturi, metering needle & seat,
etc. from: Fresno Airparts, Chandler Field, Fresno, CA.
Al Lyscars
Manchester, NH
----- Original Message -----
From: "skellytown flyer" <skellflyer1@yahoo.com>
Sent: Sunday, May 16, 2010 8:43 AM
Subject: Pietenpol-List: Re: Stromberg NA-S3A1 carb
> <skellflyer1@yahoo.com>
>
> Thanks again for the info. I will get back to the carb when I get a chance
> and check the Venturi diameter.I can handle that and since I am planning
> on running 100LL for the near future at least when I get the thing
> complete I'm not going to sweat the rest if it only drips
> occasionally -just close the valve as normal and move along.the diameter
> was the big thing I needed.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=297884#297884
>
>
>
Message 3
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| Subject: | Re: tank float indicator |
I used a Piper PA-12 Fuel Gage I got from Wag-Aero for $75 (I think it was
about $50 at the time).
http://store.wagaero.com/product_info.php?products_id'
Works fine.
Jack Phillips
NX899JP
Raleigh, NC
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Bill Church
Sent: Friday, May 14, 2010 3:34 PM
Subject: Pietenpol-List: Re: tank float indicator
Just took a look at Aircraft Spruce's website, and see that the Stearman
type fuel gauge retails for $69. For an aircraft part, I wouldn't really
call that "pricey".
The sight gauge isn't a complicated thing to make, but you will spend a fair
amount of time searching for suitable components, and thinking, and
building, and testing, and re-building. Material costs will be pretty low,
but time spent will add up. I guess it depends on how much time you have to
spare, and how much you like or dislike building things from scratch, but
$70 doesn't seem too bad for a fuel gauge. The only downside that I can see
is that the one they sell is for an 8" tank depth - so it will likely need
to be modified for use in a Piet wing tank, so there goes some of the time
savings.
I believe AS used to sell a "short" version of the same gauge, but
unfortunately, no more.
BC
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=297773#297773
Message 4
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| Subject: | 100 Report NX899KP |
Its taken 8 months to get here. Had hoped to get 200 hours in the 1st year but
life keeps getting in the way.
Mechanically, most the bugs have been worked out.
Im a little surprised at how quickly its gotten nicked, scratched and worn by routine
use, mostly as a result of bugs, vibration and Young Eagles.
Realistic performance numbers with the Corvair:
Static RPM: 2650 (this was with the original pitch. I changed it & then went back
to it.)
2500 RPM = 72 mph
2600 RPM = 77 mph
Level flight, WOT gives 2750 RPM and 85 mph
Rate of climb with just me: vigorous (~700 fpm on a cool day at sea level.)
Rate of climb with a full grown passenger: dignified (havent measured.)
Fuel burn: 5 gph
Stock fuel tank makes for short legs and lots of fuel stops, especially with headwinds.
Flight numbers:
Take off: pretty quick tail up in ~100 feet, off the ground in ~250
Stall: really slow
Final: ~60 mph
Landing: pretty slow
Roll out: pretty short
Cross countries:
2 day trips at 400 miles all day affairs
Several 200 mile trips
Number of landings: ~350 (several with the motor stopped, intentionally, for practice
in carefully controlled situations. Behaves the same as with the engine
at idle.)
Number of attempted ground loops: several
Number of successful ground loops: 0
It likes to be wheel-landed.
Number of passengers: 13 different people (8 Young Eagles)
Kevin Purtee
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=297907#297907
Message 5
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| Subject: | Re: Stromberg NA-S3A1 carb |
In my limited experience, opening up one of these carburetors was not a
big deal. I didn't completely disassemble mine, but did buy the gasket
kit and stainless steel needle kit from Fresno. Using instructions
easily available from the internet, I set up a system for adjusting the
float height using the supplied spacers in the kit. I'm using autofuel,
so that is what I used. I don't think this talk of dripping fuel has as
much to do with the float level setting as it does with the fact that
the steel needles sometimes don't seat perfectly and will drip. This is
all described in Harry Fenton's articles on the Fly Baby site. My carb
had an old rubber tipped needle that didn't leak or anything, but I had
no idea how old it was, and didn't want to take the chance of accidently
exposing it to ethanol somewhere along the way. After the rebuild (or
regasketing/re-needling) The engine ran the same as before. Your
results may vary.....
Ben Charvet
NX866BC
30 hours flown
On 5/16/2010 11:02 AM, ALAN LYSCARS wrote:
> <alyscars@myfairpoint.net>
>
> You can buy rebuild parts, including the venturi, metering needle &
> seat, etc. from: Fresno Airparts, Chandler Field, Fresno, CA.
>
> Al Lyscars
> Manchester, NH
>
>
> ----- Original Message ----- From: "skellytown flyer"
> <skellflyer1@yahoo.com>
> To: <pietenpol-list@matronics.com>
> Sent: Sunday, May 16, 2010 8:43 AM
> Subject: Pietenpol-List: Re: Stromberg NA-S3A1 carb
>
>
>> <skellflyer1@yahoo.com>
>>
>> Thanks again for the info. I will get back to the carb when I get a
>> chance and check the Venturi diameter.I can handle that and since I
>> am planning on running 100LL for the near future at least when I get
>> the thing complete I'm not going to sweat the rest if it only drips
>> occasionally -just close the valve as normal and move along.the
>> diameter was the big thing I needed.
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=297884#297884
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
Message 6
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| Subject: | Re: 100 Report NX899KP |
Sounds good Kevin, bet the Young Eagles kids love getting a ride in an ope
n
cockpit, much more exciting than riding in a 140 or 172. What size prop are
you using? Have you thought of trying a lower pitch prop to get a little
higher rpm?
rick
On Sun, May 16, 2010 at 12:34 PM, kevinpurtee <kevin.purtee@us.army.mil>wro
te:
> kevin.purtee@us.army.mil>
>
> It=92s taken 8 months to get here. Had hoped to get 200 hours in the 1st
> year but life keeps getting in the way.
>
> Mechanically, most the bugs have been worked out.
>
> I=92m a little surprised at how quickly it=92s gotten nicked, scratched a
nd
> worn by routine use, mostly as a result of bugs, vibration and Young Eagl
es.
>
> Realistic performance numbers with the Corvair:
> Static RPM: 2650 (this was with the original pitch. I changed it & then
> went back to it.)
> 2500 RPM = 72 mph
> 2600 RPM = 77 mph
> Level flight, WOT gives 2750 RPM and 85 mph
> Rate of climb with just me: vigorous (~700 fpm on a cool day at sea level
.)
> Rate of climb with a full grown passenger: dignified (haven=92t measured.
)
> Fuel burn: 5 gph
> Stock fuel tank makes for short legs and lots of fuel stops, especially
> with headwinds.
>
> Flight numbers:
> Take off: pretty quick ' tail up in ~100 feet, off the ground in ~250
> Stall: really slow
> Final: ~60 mph
> Landing: pretty slow
> Roll out: pretty short
>
> Cross countries:
> 2 day trips at 400 miles ' all day affairs
> Several 200 mile trips
>
> Number of landings: ~350 (several with the motor stopped, intentionally,
> for practice in carefully controlled situations. Behaves the same as wit
h
> the engine at idle.)
> Number of attempted ground loops: several
> Number of successful ground loops: 0
> It likes to be wheel-landed.
>
> Number of passengers: 13 different people (8 Young Eagles)
>
> Kevin Purtee
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=297907#297907
>
>
===========
===========
===========
===========
>
>
--
Rick Holland
Castle Rock, Colorado
"Logic is a wreath of pretty flowers, that smell bad"
Message 7
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| Subject: | Re: Stromberg NA-S3A1 carb |
I overhauled my Stromberg using the stainless steel needle valve and found a
good way to make the valve seat perfectly so it doesn't drip. Chuck the
needle in your drill press. Coat it with Crest toothpaste which is mildly
abrasive and as the drill press spins the needle, press the valve seat
against the needle with the toothpaste on it to "lap" in the valve seat. It
will polish it to match the conical surface of the needle perfectly and make
a tight seal.
Jack Phillips
NX899JP
Raleigh, NC
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Ben Charvet
Sent: Sunday, May 16, 2010 8:21 PM
Subject: Re: Pietenpol-List: Re: Stromberg NA-S3A1 carb
In my limited experience, opening up one of these carburetors was not a
big deal. I didn't completely disassemble mine, but did buy the gasket
kit and stainless steel needle kit from Fresno. Using instructions
easily available from the internet, I set up a system for adjusting the
float height using the supplied spacers in the kit. I'm using autofuel,
so that is what I used. I don't think this talk of dripping fuel has as
much to do with the float level setting as it does with the fact that
the steel needles sometimes don't seat perfectly and will drip. This is
all described in Harry Fenton's articles on the Fly Baby site. My carb
had an old rubber tipped needle that didn't leak or anything, but I had
no idea how old it was, and didn't want to take the chance of accidently
exposing it to ethanol somewhere along the way. After the rebuild (or
regasketing/re-needling) The engine ran the same as before. Your
results may vary.....
Ben Charvet
NX866BC
30 hours flown
On 5/16/2010 11:02 AM, ALAN LYSCARS wrote:
> <alyscars@myfairpoint.net>
>
> You can buy rebuild parts, including the venturi, metering needle &
> seat, etc. from: Fresno Airparts, Chandler Field, Fresno, CA.
>
> Al Lyscars
> Manchester, NH
>
>
> ----- Original Message ----- From: "skellytown flyer"
> <skellflyer1@yahoo.com>
> To: <pietenpol-list@matronics.com>
> Sent: Sunday, May 16, 2010 8:43 AM
> Subject: Pietenpol-List: Re: Stromberg NA-S3A1 carb
>
>
>> <skellflyer1@yahoo.com>
>>
>> Thanks again for the info. I will get back to the carb when I get a
>> chance and check the Venturi diameter.I can handle that and since I
>> am planning on running 100LL for the near future at least when I get
>> the thing complete I'm not going to sweat the rest if it only drips
>> occasionally -just close the valve as normal and move along.the
>> diameter was the big thing I needed.
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=297884#297884
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
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