Today's Message Index:
----------------------
1. 02:35 PM - Cruise Performance (mr.gsun@gmail.com)
2. 03:55 PM - Re: Cruise Performance (Kevin Horton)
3. 06:04 PM - Re: Cruise Performance (mr.gsun@gmail.com)
4. 06:04 PM - McAllen, TX (David Schaefer)
5. 06:45 PM - Re: Cruise Performance (Richard Martin)
6. 06:51 PM - Re: sticking engine control cables and engine heat problems (Richard Martin)
7. 09:09 PM - Re: Cruise Performance (Jim Ayers)
Message 1
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Subject: | Cruise Performance |
Hey Guys, I'm in the process of working out the new Dynon Skyview setup in
my 7 year old, somewhat heavy and totally stock RV-7. I'm at 1150# empty
and have an Aerosport IO-360 with horizontal fuel injection and the Hartzell
c/s prop. I recently recorded the following numbers in cruise flight:
Altitude 8500' , 19F OAT, 8.0 gph, 2400 rpm, 22.3" mp, 161 kts TAS and 144
kts indicated. The Skyview claims that I was producing 66% power according
to it's internal database of Lycoming IO-360 engines.
Do these numbers sound right?
do not archive
Message 2
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Subject: | Re: Cruise Performance |
On 2011-04-22, at 17:30 , mr.gsun@gmail.com wrote:
> Hey Guys, I'm in the process of working out the new Dynon Skyview setup in my
7 year old, somewhat heavy and totally stock RV-7. I'm at 1150# empty and have
an Aerosport IO-360 with horizontal fuel injection and the Hartzell c/s prop.
I recently recorded the following numbers in cruise flight: Altitude 8500'
, 19F OAT, 8.0 gph, 2400 rpm, 22.3" mp, 161 kts TAS and 144 kts indicated.
The Skyview claims that I was producing 66% power according to it's internal
database of Lycoming IO-360 engines.
>
> Do these numbers sound right?
Do you have a 180 hp IO-360, or a 200 hp IO-360?
If you have the 180 hp engine, Van's performance claims at gross weight, adjusted
to 66% power, would be about 166 kt. If you have the 200 hp engine, Van's
perf, adjusted to 66%, would be about 172 kt.
--
Kevin Horton
Ottawa, Canada
Message 3
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Subject: | Re: Cruise Performance |
I ve got 180 hp. Lots of heavy paint, leather and tools most of the
time. Thanks for the input.
Greg
Do not archive
On Apr 22, 2011 4:01 PM, "Kevin Horton" <khorton01@rogers.com> wrote:
>
> On 2011-04-22, at 17:30 , mr.gsun@gmail.com wrote:
>
>> Hey Guys, I'm in the process of working out the new Dynon Skyview setup
in my 7 year old, somewhat heavy and totally stock RV-7. I'm at 1150# empty
and have an Aerosport IO-360 with horizontal fuel injection and the Hartzell
c/s prop. I recently recorded the following numbers in cruise flight:
Altitude 8500' , 19F OAT, 8.0 gph, 2400 rpm, 22.3" mp, 161 kts TAS and 144
kts indicated. The Skyview claims that I was producing 66% power according
to it's internal database of Lycoming IO-360 engines.
>>
>> Do these numbers sound right?
>
> Do you have a 180 hp IO-360, or a 200 hp IO-360?
>
> If you have the 180 hp engine, Van's performance claims at gross weight,
adjusted to 66% power, would be about 166 kt. If you have the 200 hp engine,
Van's perf, adjusted to 66%, would be about 172 kt.
>
> --
> Kevin Horton
> Ottawa, Canada
>
>
Message 4
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One last try at it .. so there are NO RV'ers in McAllen? I think I'm going
to get lonely! Please email me off-line.
Regards,
David W. Schaefer
RV-6A N142DS "Nerdgasm"
TMX-IO360 Dual-LightSpeed Plasma IIIs, Hartzell Blended Airfoil, GRT HX EFIS
Now building N383DS - Zenith CH-750!
Message 5
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Subject: | Re: Cruise Performance |
They sound good. Dick Martin RV8-233m (the fast one)
On Fri, Apr 22, 2011 at 4:30 PM, <mr.gsun@gmail.com> wrote:
> Hey Guys, I'm in the process of working out the new Dynon Skyview setup in
> my 7 year old, somewhat heavy and totally stock RV-7. I'm at 1150# empty
> and have an Aerosport IO-360 with horizontal fuel injection and the Hartzell
> c/s prop. I recently recorded the following numbers in cruise flight:
> Altitude 8500' , 19F OAT, 8.0 gph, 2400 rpm, 22.3" mp, 161 kts TAS and 144
> kts indicated. The Skyview claims that I was producing 66% power according
> to it's internal database of Lycoming IO-360 engines.
>
> Do these numbers sound right?
>
> do not archive
>
> *
>
> *
>
>
Message 6
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Subject: | Re: sticking engine control cables and engine heat problems |
Vans aircraft makes some good deflectors that can be attached to the exhaust
pipes that will deflect radiated heat from heat sensitive parts (ignition
lines, hoses etc). I used them when I first test flew my RV8 and
experienced heat problems. I also had the exphaust pipes ceramic coated
which considerablhy reduced the radiated heat within the cowl. Note, it is
best to ceramic coat the pipes before use, however they can be cleaned
internaly .
Dick Martin
RV8 N233m
the fast one
On Tue, Apr 19, 2011 at 11:45 AM, Matt Dralle <dralle@matronics.com> wrote:
>
> At 06:41 AM 4/19/2011 Tuesday, Frazier, Vincent A wrote:
> >
> >SNIP I have seen this too many times - looks like heat is the killer. Move
> the cables away from the killer exh system, then you can wrap the cables
> with spark plug wire insulation - - a smaller version of the normal hose
> type heat protective stuff. Lube will not work, as the nylon inner wrap is
> balled around the wire - hanging on for dear life! If this persists, you can
> try the 920 cables from ACS, or buy replacement cables from Cablecraft -
> certified stuff, thus very expensive.
> >
> >Carry on!
> >Mark SNIP
> >
> >Mark is correct. When your engine control cables begin binding, it is
> usually heat related. We carry several types of insulation, Rocket proven,
> for these type of problems. We have firewall insulation to keep your feet
> from roasting, Heat Shield mat to keep exhaust heat from burning the paint
> off of your cowling, sleeve insulation for fuel lines (or control cables),
> and intake insulation kits to keep the exhaust heat away from the induction
> pipes and rubber parts. And we have it in large and small sizes at a price
> that beats ACS by a wide margin.... and it's better stuff too!
> >
> >There is no excuse to have heat problems with your engine. None. Us old
> dogs have been there, done that and we know how to fix the problems!
> >
> >Thx,
> >Vince
> >www.flyboyaccessories.com
>
>
> Hi Vince,
>
> I was checking out your web site. This stuff looks like it might do the
> trick for my Prop cable issues:
>
>
> http://www.flyboyaccessories.com/store/index.php?main_page=product_info&cPath=1&products_id=264
>
> My IO-390 has a front mounted governor and I brought the control cable over
> the top of the engine. The closest point is probably about 6" from the top
> of the cylinders.
>
> Here are some pictures of my installation:
>
>
> http://www.mattsrv8.com/users/display_log.php?user=MattsRV8&project=638&category=2972&log=89715&row=118
>
>
> http://www.mattsrv8.com/users/display_log.php?user=MattsRV8&project=638&category=2972&log=89716&row=117
>
> Best regards,
>
> -
> Matt Dralle
> RV-8 #82880 N998RV
> http://www.mattsrv8.com - Matt's RV-8 Construction Log
> http://www.youtube.com/MattsRV8 - Matt's RV-8 HDTV YouTube Channel
> Status: 160+ Hours TTSN - Paint job is all that's left...
>
>
Message 7
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Subject: | Re: Cruise Performance |
You might want to do the GPS TAS calibration test.
My Dynon D-10A TAS reads about 7 knots low at 8.000' Density Altitude using
something close to economy cruise power, and about 8 knots low at full thr
ottle.
Jim Ayers
-----Original Message-----
From: mr.gsun <mr.gsun@gmail.com>
Sent: Fri, Apr 22, 2011 6:05 pm
Subject: Re: RV-List: Cruise Performance
I ve got 180 hp. Lots of heavy paint, leather and tools most of the time.
Thanks for the input.
Greg
Do not archive
On Apr 22, 2011 4:01 PM, "Kevin Horton" <khorton01@rogers.com> wrote:
>
> On 2011-04-22, at 17:30 , mr.gsun@gmail.com wrote:
>
>> Hey Guys, I'm in the process of working out the new Dynon Skyview setup
in my 7 year old, somewhat heavy and totally stock RV-7. I'm at 1150# empty
and have an Aerosport IO-360 with horizontal fuel injection and the Hartze
ll c/s prop. I recently recorded the following numbers in cruise flight: Al
titude 8500' , 19F OAT, 8.0 gph, 2400 rpm, 22.3" mp, 161 kts TAS and 144 kt
s indicated. The Skyview claims that I was producing 66% power according to
it's internal database of Lycoming IO-360 engines.
>>
>> Do these numbers sound right?
>
> Do you have a 180 hp IO-360, or a 200 hp IO-360?
>
> If you have the 180 hp engine, Van's performance claims at gross weight,
adjusted to 66% power, would be about 166 kt. If you have the 200 hp engine
, Van's perf, adjusted to 66%, would be about 172 kt.
>
> --
> Kevin Horton
> Ottawa, Canada
>
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