Today's Message Index:
----------------------
1. 06:14 PM - Fuel Flow Test (Ed Godfrey)
2. 07:33 PM - Used tools (Matt Overholt)
3. 08:15 PM - Re: Used tools (Robert Jones)
4. 09:01 PM - Re: Fuel Flow Test (Robert Jones)
5. 10:15 PM - Re: Fuel Flow Test (Kelly McMullen)
Message 1
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RV10 builders/flyers,
I am pondering the fuel flow test as outlined in AC90-89B, Section
11, Par 1-19.e(1). For those of you who may have performed these tests,
what climb angle did you use and how did you obtain it. I did a test
with weighing down the tail and the best that I could get was about 12
1/2 degrees when the tail tie down hit the hangar floor. I am thinking
about raising the main gear off of the floor, but was not sure as to
what height would work out the best. I did place a call to Van's to see
if they had a "standard" of unuseable fuel for the RV10, but the reply
that I received was that it was up to the builder to determine that.
Thanks for any information to help me get by this step.
Ed Godfrey
Message 2
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Hi, I'm new here and preparing to start my first aircraft build. After many
years of EAA and dreaming about it I've decided to build the RV-10. I'm
getting ready to order a number of tools in a couple of weeks and thought
that I'd ask if anyone has any good used tools that they've decided they
are done with. I know that usually builders keep their tools for a long
time, and so I expect to buy what I need, but I thought I'd ask just in
case.
Email me privately if you have any to offer.
Thanks,
Matt Overholt
matthew.r.overholt@gmail.com
Message 3
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Welcome to the thread. I just got N810RK certified in February. Got the 40 h
ours flown off pretty quickly. It was great weather to do it in winter where
I I live in Las Vegas. Took our first long trip to Yellowstone, Central Mic
higan and Kentucky before flying home just a couple weeks ago. 100 hours of t
he aircraft. The last leg was flying from Spanish Peaks, just East of the Ro
ckies to Henderson where the aircraft is based. At 16,000=99 at ISA +2
0 I was getting 175 TAS at 11 Gal/hr. They are quite an amazing aircraft.
Robert Jones
> On Aug 23, 2020, at 7:38 PM, Matt Overholt <matthew.r.overholt@gmail.com> w
rote:
>
> =EF=BB
> Hi, I'm new here and preparing to start my first aircraft build. After man
y years of EAA and dreaming about it I've decided to build the RV-10. I'm g
etting ready to order a number of tools in a couple of weeks and thought tha
t I'd ask if anyone has any good used tools that they've decided they are do
ne with. I know that usually builders keep their tools for a long time, and
so I expect to buy what I need, but I thought I'd ask just in case.
>
> Email me privately if you have any to offer.
>
> Thanks,
> Matt Overholt
> matthew.r.overholt@gmail.com
Message 4
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| Subject: | Re: Fuel Flow Test |
The usable fuel on my tanks is right at 30 gal. The tanks hold about a quart more
than that. You can come very close to emptying it if you run it dry. Obviously
if was rough you would likely suck some air a lot earlier. I usually leave
about 2 gals in the lowest tank and make sure I am landing with at least 10 in
the other because I am a real Coward when it comes to fuel reserve. I weighted
the tail down to get the nose up about 10 degrees. It was a waste of time.
I flowed about 48 gal/hr with my Airflow Performance electric pump as measured
just before the FM300 throttle body.
Robert Jones
> On Aug 23, 2020, at 6:19 PM, Ed Godfrey <egodfrey@ameritech.net> wrote:
>
>
> RV10 builders/flyers,
> I am pondering the fuel flow test as outlined in AC90-89B, Section 11, Par
1-19.e(1). For those of you who may have performed these tests, what climb angle
did you use and how did you obtain it. I did a test with weighing down the
tail and the best that I could get was about 12 1/2 degrees when the tail tie
down hit the hangar floor. I am thinking about raising the main gear off of
the floor, but was not sure as to what height would work out the best. I did place
a call to Van's to see if they had a "standard" of unuseable fuel for the
RV10, but the reply that I received was that it was up to the builder to determine
that. Thanks for any information to help me get by this step.
>
> Ed Godfrey
>
>
>
>
>
Message 5
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| Subject: | Re: Fuel Flow Test |
As for the pitch up, I wouldn't worry about it. I happen to know that the
stock mechanical pump continues to deliver enough fuel for full throttle at
11,500 and over 70 degrees of pitch up. No, I didn't have enough brain
cycles to think about turning on the boost pump at that point. (obviously
not an intention test, but the engine never hiccuped.
As for unusable, I pumped fuel out of one tank at a time when calibrating
the tanks, and then pulled the quick drain. Less than 1 qt remained with
the airframe at normal, on the ground attitude.
I haven't felt a need to put a precise number on it, because when I am down
to 5 gal per tank, I am landing at nearest suitable runway, period.
Sent from my TRS-80 Model 100
On Sun, Aug 23, 2020 at 6:19 PM Ed Godfrey <egodfrey@ameritech.net> wrote:
>
> RV10 builders/flyers,
> I am pondering the fuel flow test as outlined in AC90-89B, Section
> 11, Par 1-19.e(1). For those of you who may have performed these tests,
> what climb angle did you use and how did you obtain it. I did a test
> with weighing down the tail and the best that I could get was about 12
> 1/2 degrees when the tail tie down hit the hangar floor. I am thinking
> about raising the main gear off of the floor, but was not sure as to
> what height would work out the best. I did place a call to Van's to see
> if they had a "standard" of unuseable fuel for the RV10, but the reply
> that I received was that it was up to the builder to determine that.
> Thanks for any information to help me get by this step.
>
> Ed Godfrey
>
>
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