Ok, believe it or not!!!
I only had outboard wing tanks (no header tank) in my first KR N886MJ. Corvair
engine with an Ellison.
I totally lost both fuel pumps due to a broken ground wire. I was at maybe 200
feet because I was buzzing my brother in law’s house. Oh yea, 13 miles from
the airport
I can tell you on my KR that if the engine quit the prop was not long enough to
keep the engine windmill. That's what put me in the lake one day.
Sent from my iPhone
> On Nov 20, 2021, at 12:59 PM, John Gotschall wrote:
>
> With regard to the statement starting with "Given your current lack
With regard to the statement starting with "Given your current lack of
confidence in an engine restart in flight. . ."
I would like to say it's less that I have a lack of confidence in restart
but rather I have high confidence, even certainty that all machines will at
some point fail to fullfi
On 11/20/2021 7:51 AM, Jeff Scott wrote:
If flight is going to be dependent on electrical power, I'd rather use a
standby alternator than a standby battery. For the same weight, it makes an
emergency into a mere inconvenience.
+
On 11/19/2021 11:26 PM, John Gotschall wrote:
I think I noted no header tank, don't recall saying single pump. However
if you follow the instructions you will be running a single pump. There is
an electric additional pump (backup?) for use only during approaches and
takeoffs. Might be useful in
Just sharing my thoughts of some 45
years of doing this stuff.
-Jeff Scott
Arkansas Ozarks
> Sent: Friday, November 19, 2021 at 11:26 PM
> From: "John Gotschall"
> To: "KRnet"
> Subject: KR>Re: Header tank
>
> The plane in question is a Lake LA-
The plane in question is a Lake LA-4 amphibian. The engine mounted on a
pylon some three or 4 feet above the fuel tank. N1120L
The fuel pump is engine driven. 4 ft lift. 100ll and it's ability to stay
liquid and not devolve in to vapor in a vacuum in an application such as
this at 13k ft. No c
Belly tank has many benefits such as ease of repair and opportunity to
jettison if on board fire occurs and simply fly without it being mounted
for short local hops. How many in wing fuel leaks have you heard of on a
KR-2 ? and how many was an easy fast simple fix ? Don N40WS
On Fri, Nov 19, 2021
On 11/18/2021 8:16 PM, John Gotschall wrote:
BTW my current factory built airplane has no header, will quit upon pump
fail and without warning. Somehow that's ok with the FAA.
+++
John,
I'm curious as to what factory built
I kinda like both, a header tank around 4 gallons (one hour) and wing tanks
that tranfer to the header.
Gravity feed on my C172 never failed. Some may have but gravity itself has
never stopped so far as I can tell. Fuel pumps do. NTSB reports are full
of failed fuel pumps. And some plugged up s
An external belly tank is an option for more fuel but it is a very non
talked about option
On Thu, Nov 18, 2021 at 4:45 PM Flesner wrote:
> On 11/18/2021 10:43 AM, Mark Langford wrote:
> > And most of all, if I were to tear a plane up in an off-airport
> > landing (although I'm sure that would n
On 11/18/2021 10:43 AM, Mark Langford wrote:
And most of all, if I were to tear a plane up in an off-airport
landing (although I'm sure that would never happen to me..), I'd
much rather have the wings on fire than the cockpit, especially
surrounded by a hundred "hot" electrical wires right
GOD how I love common sense ! Need a days worth of conversation! Thanks Mark
Sent from my iPhone
> On Nov 18, 2021, at 10:43, Mark Langford wrote:
>
> Here's another argument against header tanks that occurred to me yesterday
> as I was struggling to access some wiring on a plane with a he
Here's another argument against header tanks that occurred to me
yesterday as I was struggling to access some wiring on a plane with a
header tank. All of the space that a header tank (mounted in the
"forward deck") occupies gobbles up a lot of valuable space that could
otherwise be used for b
Good safety in case of total electrical failure as gravity feed to the engine.
Bob Surrey BC canada
CGRJL.
Sent from my iPhone
> On Nov 16, 2021, at 1:59 PM, Flesner wrote:
>
> On 11/16/2021 1:32 PM, Flesner wrote:
>> Please clarify the term "header tank". I always thought "header tank" mea
On 11/16/2021 1:32 PM, Flesner wrote:
Please clarify the term "header tank". I always thought "header tank"
meant a tank that provided gravity feed to provide a "head pressure"
at the carb, not requiring engine driven or electric pumps.
Larry Flesner
+
On 11/16/2021 12:51 PM, Mark Langford wrote:
Another option you might consider is a header tank within a wing tank,
whether outboard wing or stub wing.
++
Mark,
Please clarify the term "header tank". No
Brett Lombardi wrote:
> Will likely go with wing tanks and a smaller header tank.
Another option you might consider is a header tank within a wing tank,
whether outboard wing or stub wing. See http://www.n56ml.com for more,
Wing Tanks, ninth link from the top. I put 1130 hours on N56ML, and
Thanks all for the advice. I'll be using a Corvair motor which is currently
at a machine shop for the rebuild.
Will likely go with wing tanks and a smaller header tank.
On Tue, Nov 16, 2021 at 8:56 AM Flesner wrote:
> On 11/15/2021 5:30 PM, Brett Lombardi wrote:
> > I’m installing stainless fuel
On 11/16/2021 7:59 AM, Flesner wrote:
I’m installing stainless fuel tanks in wing stubs in order to have room
behind the panel of my KR2-S.
Brett
++
Have you considered modifying the header tank for more panel room?
Install a t
On 11/15/2021 5:30 PM, Brett Lombardi wrote:
I’m installing stainless fuel tanks in wing stubs in order to have room
behind the panel of my KR2-S.
Brett
N# TBD
In addition to W&B, what engine are you using and how are you getting it
fuel? Engine driven fuel pu
I made at the stubwing leadingedge fuel tanks. And a centertank at the front of
the fwd spar. This gives me 62 liter an no change in weight and ballance. I use
no headertank but have 2 fuel pumps. The option that Laury did is much easier
to make.
Good Luck with your decission.
Stef (at my webs
These are my tanks built 26 years ago with Safe-T-poxy.
https://myplace.frontier.com/~flesner/22.jpg
Larry Flesner
-Please see LIST RULES and KRnet info at http://www.krnet.org/info.html
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https://list.krnet.org/list/krnet.list
On 11/15/2021 5:30 PM, Brett Lombardi wrote:
KR builders,
I’m installing stainless fuel tanks in wing stubs in order to have room
behind the panel of my KR2-S. I’ve searched the archives but couldn’t find
any argument to keep a header tank.
Other than less capacity, am I missing any other disadva
Reference the header tank vs wing tank discussion. Just like most things on
the KR, there are many ways to do things.
My KR2S has just a header tank with approx 16 gallons. My reason not to put
fuel in the wings was complexity. I simply didn't want to add a fuel pump
and tanks to the wings.
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