Jeff: interesting about the fuel-soaking tests that you've been running. I've
been using "EZ Turn Fuellube" on my threaded fuel system fittings rather than
any sort of pipe dope or Teflon tape, but then again I've got a gravity fuel
system on my Piet... very low pressures in the system. EZ Tur
y, December 11, 2018 at 11:08 AM
> *From:* "Jeff York via KRnet"
> *To:* KRnet
> *Cc:* "Jeff York"
> *Subject:* Re: KR> Mogas Blues... One last update
> Jeff,
>
> I am curious. You refer to pipe dope several times but I am not sure which
> pipe dop
18 at 11:08 AM
From: "Jeff York via KRnet"
To: KRnet
Cc: "Jeff York"
Subject: Re: KR> Mogas Blues... One last update
Jeff,
I am curious. You refer to pipe dope several times but I am not sure which
pipe dope you are referring to.
Is it standard plumbers pipe dope ? Is it
Jeff,
I am curious. You refer to pipe dope several times but I am not sure which
pipe dope you are referring to.
Is it standard plumbers pipe dope ? Is it teflon based pipe dope ? Or is it
some other pipe dope compound ?
Im sure you know that there is pipe dope for water, pipe dope for gas and
v
Yep. I think Langford hasn’t has his morning tea yet. 😁
Mark Jones
Oldsmar, Fl
N771MJ “WunderBird”
www.flykr2s.com
flyk...@gmail.com
> On Dec 11, 2018, at 10:02 AM, Chris Kinnaman via KRnet
> wrote:
>
> My guess is that the tail lifted because the thrust of the prop pulled the
> airplane
My guess is that the tail lifted because the thrust of the prop pulled
the airplane to the extent of the tiedown rope, which was attached to a
trailer hitch, not down at ground level. I once came within about an
inch of a similar prop strike due to this same tiedown configuration.
FWIW
Chris
Gary Sack wrote:
> I tied the tail, but this time it
> was easiest to tie it to the trailer hitch on the Subaru. WARNING! Don't do
> this. When she came to life, her tail lifted and ground down my pretty wood
> prop just like a pencil sharpener
You must not have had it anywhere near idle speed to
Not too quiet. After not going to the airport in some time, my battery was
down so I prop started my KRII. Of course I tied the tail, but this time it
was easiest to tie it to the trailer hitch on the Subaru. WARNING! Don't do
this. When she came to life, her tail lifted and ground down my pretty w
Has anybody ever tried using vinylester resin to fasten a layer of
heavy-duty aluminum foil to the inside of the tank.? Then as far as the
gasoline is concerned, you'd essentially have an aluminum tank, and if you
had a lot of overlap on the seams, the gas would never get near the
fiberglass at al
Hi Jeff... regarding the quiet KRnet I agree but you hit it right on the nose.
I have been busy finishing the brake assemblies, wiring my instrument panel and
rigging the control cables. I will be installing the firewall and getting the
engine mounted over the Christmas and New Years holidays.
-Jeff Scott
Cherokee Village, AR
Sent: Saturday, September 29, 2018 at 11:04 AM
From: "Ken Henderson via KRnet"
To: krnet@list.krnet.org
Cc: "Ken Henderson"
Subject: KR> Mogas Blues
New to this discussion but I have a question. Why don't more people use
alum
New to this discussion but I have a question. Why don't more people use
aluminum fuel tanks? I remember reading of people making wing tanks that
laid along the spar out of irrigation pipe of 4-6" diameter. A header tank
similar to the stock glass one could be fabbed up easily as well. It would
prob
Mogas blues.
I traded my Evans Volksplane for mu KR2 and warned the new owner about
using ethanal tainted fuel.
He didn't listen and starting the engine while standing beside it he had
opened the revflow and closed it
but the gunk kept the throttle WIDE OPEN. It almost killed he and his wife
who w
I screwed that up, so to clarify:
Sparky wrote:
>>I had the same problem in my KR-2 that I built in 1982 using shell
epon and vesimid hardner. The fiberglass lining fell to the bottom of
the tank causing fuel starvation so, I relined the tank and went to 100
low lead and it was ok. <<
Epon
> There has been a bit of interest in my misadventure with GAS and the
> damaged fuel tank system in my SuperCub Clone.
>
I believe this was the problem that I had, causing the carberator to clog on
takeoff.
Joe Nunley Baker Florida
null
___
Search the
I had the same problem with my KR II built in 1981 of unknown materials.
Went to the airport one day to find the fuel had drained through the
cockpit. I cut the top off, made a cardboard template, and had my son weld
up an aluminum tank to fit the space. I lost a couple of gallons capacity:
I had 2
I had the same problem in my KR-2 that I built in 1982 using shell epon and
vesimid hardner.
The fiberglass lining fell to the bottom of the tank causing fuel starvation
so, I relined the tank
and went to 100 low lead and it was ok. Sparky
Sent from Windows Mail
From: Jeff Scott
There has been a bit of interest in my misadventure with MOGAS and the damaged fuel system in my SuperCub Clone.
Today I made it to the airport and cut the top out of the fuel tanks. The mess I found inside the tanks is incredible, and disheartening.
It would appear these tanks were fabrica
Scott via KRnet
wrote:
Bottle #2 in the photo certainly looks like shine. I wasn't willing to taste
test it though.
-Jeff Scott
Subject: Re: KR> Mogas Blues... continued
Jeff I hate to disillusion you but up there in Arkansas they are running
moonshine in those pumps. It’s kind o
Bottle #2 in the photo certainly looks like shine. I wasn't willing to taste
test it though.
-Jeff Scott
Subject: Re: KR> Mogas Blues... continued
Jeff I hate to disillusion you but up there in Arkansas they are running
moonshine in those pumps. It’s kind of like our Coke machine
Jeff I hate to disillusion you but up there in Arkansas they are running
moonshine in those pumps. It’s kind of like our Coke machine back in college.
Back then there was no cola in that Coke machine. It may have said Coke but
every other can was Budweiser. First quarter got you a dummy can of C
I don't believe there were any atmospheric conditions (altitude, pressure, humidity) that could credibly be attributed to causing mogas to react with my composite tanks. No mogas was transported here from NM. Since I tested for alcohol and confirmed there was no alcohol present in the fuels here in
> "it would be interesting to know if atmospheric conditions can
significantly affect fuel that is sitting around for extended periods in
our tanks..."
I hadn't given this thought any consideration until now. I know Jeff had
fueled up the Cub just the day before he intended to fly so it hadn't
be
Sent from my iPhone
> On 13 Aug 2018, at 5:09 am, t Johnson via KRnet wrote:
> behavior" of the fuel? I.e. much higher humidity, etc...
> ———-
In Australia I have been told by many not to leave ULP in your tanks for more
than a few weeks as it goes off. If I can not fly for extended time pu
her of those could change the percentage of any added compounds over an
extended period of time.
TJ
On Sun, 8/12/18, Mike Stirewalt via KRnet wrote:
Subject: KR> Mogas Blues
To: krnet@list.krnet.org
Cc: laser...@juno.com
Date: Sunday, August 1
es without further damage.
-Jeff Scott
Cherokee Village, AR
Sent: Sunday, August 12, 2018 at 1:01 PM
From: "Mike Stirewalt via KRnet"
To: krnet@list.krnet.org
Cc: laser...@juno.com
Subject: KR> Mogas Blues
Based on several of the comments on
Based on several of the comments on this subject, some guys are missing
the point of Jeff Scot's account of his gas problems. It wasn't the
ethanol that damaged his fuel system components, it was something else .
. . some additive(s).
Jeff York makes the point that such extensive damage had to
You guys are mixing unlike octane units without really knowing it. That's an incredibly dangerous thing to do when you are talking about fuels for your aircraft.
There are 3 different ways Octane is calculated, and the resulting numbers are all significantly different. You can't add octane calcula
On 8/11/2018 5:56 PM, Ken Hurley via KRnet wrote:
All I've seen around here is 91. That's what I'm gonna use.
At 7:1 compression the 0-200 cut it's teeth and grew in to old age with
80 octane fuel. You guys are running higher comp
free.
>
>
> Paul ViskBelleville Il.618-406-4705
> Original message From: Mike T via KRnet <
> krnet@list.krnet.org> Date: 8/11/18 3:24 PM (GMT-06:00) To: KRnet <
> krnet@list.krnet.org> Cc: Mike T Subject: Re: KR>
> Mogas Blues.
> I wish FB
Il.618-406-4705
Original message From: Mike T via KRnet
Date: 8/11/18 3:24 PM (GMT-06:00) To: KRnet Cc: Mike T
Subject: Re: KR> Mogas Blues.
I wish FBOs at airports would just sell ethanol-free auto gas. Then people
could use it with confidence or blend it with 100 LL to
by putting the integrity of my fuel systems at risk
> is folly. That effectively renders Mogas unsafe for me to use in the
> future.
>
> Thanks for the research and discussion.
>
> -Jeff Scott
>
>
>
> Sent: Friday, August 10, 2018 at 10:49 PM
> From: "Jeff Yor
Thanks Jeff York for the great overview of how mogas is handled.
In the case of new builders or a new owner just getting started on
running their airplane, I thought it might be useful to relay how I've
done it since I bought N335KC. Steve Bennett used to use a "clean"
source of mogas he had th
On 8/11/2018 11:06 AM, Jeff Scott via KRnet wrote:
Ash Flat, AR
+
Aaaa Ha..., Ash Flat, ARKANSAS. This is starting to make
sense. :-):-) You're not in New Mexico any more Toto..
Larry Flesner
_
y
putting the integrity of my fuel systems at risk is folly. That effectively
renders Mogas unsafe for me to use in the future.
Thanks for the research and discussion.
-Jeff Scott
Sent: Friday, August 10, 2018 at 10:49 PM
From: "Jeff York via KRnet"
To: KRnet
Cc: "Jeff York
Jeff Scott,
As promised I was finally able to run down my next door neighbor from
Valvoline.
Im going to try and glean this down as,we talked about your situation for
over an hour. He said that the mogas you started using just since April
could not by itself have compromised your fuel system. He s
parts stores. Will handle FI pressures in excess of 60PSI and
lots of ethanol.
Hope this helps?
Wayne
> KR> Mogas Blues.
> Pete Klapp pkengr at hotmail.com
> Tue Aug 7 19:59:29 EDT 2018
> Previous message (by thread): KR> Mogas Blues.
> Next message (by thread): KR>
Pete,
I have used regular over the counter fuel Injection hose for my turbo
dodge projects, it's been available since the advent of E-10 auto fuel
at auto-parts stores. Will handle FI pressures in excess of 60PSI and
lots of ethanol.
Hope this helps?
Wayne
KR> Mogas Blues.
Pe
Failed to delete the previous posts when I posted..
My BAD
Gary
___
Search the KRnet Archives at https://www.mail-archive.com/krnet@list.krnet.org/.
Please see LIST RULES and KRnet info at http://www.krnet.org/info.html.
see http://list.krnet.org
line
> to the Ellison fuel injector.
>
> Pete Klapp
>
>
>
> From: KRnet on behalf of Mark Langford via
> KRnet
> Sent: Sunday, August 5, 2018 3:42 PM
> To: Jeff Scott via KRnet
> Cc: Mark Langford
> Subject: Re: KR> Mogas Blues
, August 5, 2018 3:42 PM
To: Jeff Scott via KRnet
Cc: Mark Langford
Subject: Re: KR> Mogas Blues.
See enclosed photo of what some
chemicals can to do high quality aircraft hose, not to mention carbs,
pumps, etc.
Check out the enclosed photo
Mark Langford
m...@n56ml.com
http://www.n56ml.
ott)
2. Re: Mogas Blues. (Ken Hurley)
3. Re: Mogas Blues. (Jeff York)
4. Re: Mogas Blues. (Jeff Scott)
------
Message: 1
Date: Sun, 5 Aug 2018 02:35:24 +0200
From: "Jeff Scott"
To: krnet
Subject: KR> Mogas Blu
Jeff Scott wrote:
> After years of running Mogas in both the O-200 in my KR, and the O-320
> in my SuperCub, I have run into a particularly nasty bunch of Mogas
> after moving to Arkansas.
Welcome to the boondocks Jeff! I used to buy my ethanol-free mogas (for
the Swift and the KR2S) at an el
I would be really interested to see the petrolium chemist's opinion.
Thanks.
-Jeff
Sent: Sunday, August 05, 2018 at 8:03 AM
From: "Jeff York via KRnet"
To: KRnet
Cc: "Jeff York"
Subject: Re: KR> Mogas Blues.
My neighbor is a recently retired chemist
My neighbor is a recently retired chemist and engineer with Valvoline which
is based here. Him and I have often discussed fuel additives and effects
and such. I am going to show him your email to get his thoughts. I too am
having or had some fuel related failures but never used mogas. I think mine
I'm sealing my wing tanks with a product from KBS Coatings
(KBS-Coatings.com). Randy, 877-548-9323 ext 123, was very helpful. I hope
to eliminate future problems.
Ken Hurley
On Aug 4, 2018 7:36 PM, "Jeff Scott via KRnet" wrote:
After years of running Mogas in both the O-200 in my KR, and the O
After years of running Mogas in both the O-200 in my KR, and the O-320 in my SuperCub, I have run into a particularly nasty bunch of Mogas after moving to Arkansas. In NM, I had a good source for alcohol free premium Mogas and burned it for years with no issues at all. But after moving to a new a
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