Today's Message Index:
----------------------
1. 04:38 AM - Re: Firefly (Jack & Louise Hart)
2. 07:19 AM - thrust angle of SS (Ted Cowan)
3. 07:38 AM - Re: Firefly (jerb)
4. 07:57 AM - Carboned up UL202 (Edward Steuber)
5. 08:15 AM - Re: Kolb-List Digest: 18 Msgs - 05/25/05 (b young)
6. 09:36 AM - Re: Firefly (Jack & Louise Hart)
7. 10:38 AM - Re: thrust angle of SS (Rusty)
8. 12:25 PM - funny (lynnp)
9. 02:36 PM - Fw: Annual Kolb Flyin at Monument valley (Richard & Martha Neilsen)
10. 02:52 PM - Re: Fw: Annual Kolb Flyin at Monument valley (George T. Alexander, Jr.)
11. 02:57 PM - Re: funny (Beauford)
12. 05:22 PM - Re: Firefly (nmatthew)
13. 06:17 PM - Re: Fw: Annual Kolb Flyin at Monument valley (Larry Bourne)
14. 06:41 PM - MV Web Page (Larry Bourne)
15. 07:30 PM - Re: MV Web Page (Richard Swiderwski)
16. 07:38 PM - Re: Re: Kolb-List Digest: 18 Msgs - 05/25/05 (Charlie England)
17. 07:42 PM - Re: thrust angle of SS (woody)
18. 08:07 PM - Prop tach (Edward Chmielewski)
19. 08:19 PM - Re: MV Web Page (Larry Bourne)
20. 08:54 PM - Re: Firefly (Richard Pike)
21. 09:42 PM - Monument Valley and More, plus Density Altitude experience from Bryce Canyon (JIM HEFNER)
22. 10:18 PM - Re: Firefly (JIM HEFNER)
23. 11:12 PM - Re: Monument Valley and More, plus Density Altitude experience (JIM HEFNER)
Message 1
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--> Kolb-List message posted by: Jack & Louise Hart <jbhart@ldd.net>
At 05:57 PM 5/25/05 -0700, you wrote:
>--> Kolb-List message posted by: "nmatthew" <nmatthew@qwest.net>
>
..................
>
>How much fuel consumption do other Firefly pilots get?
>
Matt,
I checked my flight log. With the Rotax 447 mounted, I make nine 108 mile
round trips point to point to my EAA Chapter meetings. The fuel consumption
ranged from 2.6 to 3.4 gph with an average of 3.06 gph. Average ground
speed was 58 mph. I tried to run the EGT's between 1,150 and 1,200 degrees
F.
I have made the same trip eight times with the Simmonini Victor 1+. Fuel
consumption ranged from 2.0 to 2.9 gph with an average of 2.2 gph. Average
ground speed was 49 mph.
Jack B. Hart FF004
Winchester, IN
Jack & Louise Hart
jbhart@ldd.net
Message 2
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| Subject: | thrust angle of SS |
--> Kolb-List message posted by: Ted Cowan <trc1917@direcway.com>
Well, I guess I have been prompted to answer this. We have two SlingShots
in our group and both of us had to modify the motor mount system. I use
high risers on mine to better occomodate the wing fold. I guess if you dont
have a 582 with the muffler hanging over the side, you would not mount the
engine higher. In my case, I rase the rear mounts 3/4 of a inch. I also
put two thrust washers under the left front (looking at it from the rear of
the engine) One washer under each the right front and rear left and
basically no extra washers under the rear right. This makes the ole bugger
tract straight no hands. With my electric ele. trim, you can let go the
handle at speeds and not nose dive to the left. I am happy with mine. I am
going to change my ail. radial rods this morning to relext the ails up so at
speeds I will not have the tendacy to dive so much. I think it will level
flight better. Hope this helps. By the way, I think my plane is about a
hundred pounds heavier than the other one but the pilot is a LOT heavier
than I am, about seventy pounds and TALL. I dont think he has done a W&B so
I dont know what his center is. That's alls I knows. Other than the fact
that this plane is a hoot. Ted Cowan
Message 3
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--> Kolb-List message posted by: jerb <ulflyer@verizon.net>
Jack,
Are you cruising the same speed with both engines or is the cruise with the
Victor slower than with Rotax?
jerb
At 06:38 AM 5/26/05 -0500, you wrote:
>--> Kolb-List message posted by: Jack & Louise Hart <jbhart@ldd.net>
>
>At 05:57 PM 5/25/05 -0700, you wrote:
> >--> Kolb-List message posted by: "nmatthew" <nmatthew@qwest.net>
> >
>..................
> >
> >How much fuel consumption do other Firefly pilots get?
> >
>
>Matt,
>
>I checked my flight log. With the Rotax 447 mounted, I make nine 108 mile
>round trips point to point to my EAA Chapter meetings. The fuel consumption
>ranged from 2.6 to 3.4 gph with an average of 3.06 gph. Average ground
>speed was 58 mph. I tried to run the EGT's between 1,150 and 1,200 degrees
>F.
>
>I have made the same trip eight times with the Simmonini Victor 1+. Fuel
>consumption ranged from 2.0 to 2.9 gph with an average of 2.2 gph. Average
>ground speed was 49 mph.
>
>Jack B. Hart FF004
>Winchester, IN
>
>
>Jack & Louise Hart
>jbhart@ldd.net
>
>
Message 4
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| Subject: | Carboned up UL202 |
--> Kolb-List message posted by: "Edward Steuber" <esteuber@rochester.rr.com>
I just got back from flying the Ultrastar after cleaning the ring land
grooves on the Wiseco pistons...started on second pull and flew with lower EGT's
and was much smoother. Problem solved..... but will be watching carefully to
see if the carbon buildup returns....maybe a little Sea Foam ?
I'll keep you all informed as to how it goes and what I find. Thanks to
all who responded...
Test Pilot ED in Western NY
Message 5
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| Subject: | Re: Kolb-List Digest: 18 Msgs - 05/25/05 |
--> Kolb-List message posted by: "b young" <by0ung@brigham.net>
Hi Ed, an inexpensive way to verify your mini tach is to buy a digital prop
tach, ($49 Sky Sports). Multiply your reading by the gear ratio for engine
rpm.
Fly Safe
Bob Griffin
or you could go to a model airplane flying field and see if one of the
pilots has a tach they use for model aircraft..... he might be willing to
come and help you for the fun of it......
boyd
Message 6
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--> Kolb-List message posted by: Jack & Louise Hart <jbhart@ldd.net>
At 09:38 AM 5/26/05 -0500, you wrote:
>--> Kolb-List message posted by: jerb <ulflyer@verizon.net>
>
>Jack,
>Are you cruising the same speed with both engines or is the cruise with the
>Victor slower than with Rotax?
>jerb
>
Jerb,
No, I am not cruising at the same speeds. I could never get the 447 engine
to cruise at a stable 50 mphi. The engine did not like to run at this
speed. With my head sticking out in the breeze, the fastest I like to fly
is 50 - 55 mphi. The bugs & rain do not hurt so bad in this speed range.
Also, I do not have a sore neck the next day after an EAA Chapter flight if
I cruise in the 50 - 55 mphi range. The Victor 1+ holds a stable rpm at any
throttle position.
Jack B. Hart FF004
Winchester, IN
Jack & Louise Hart
jbhart@ldd.net
Message 7
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| Subject: | thrust angle of SS |
--> Kolb-List message posted by: "Rusty" <13brv3c@bellsouth.net>
Thanks for the comments Ted, and others, on and off list. I also just
talked to TNK about it, and from all sources, it doesn't sound like it makes
much difference whether you shim up the rear of the engine or not. Some
have shimmed, and some haven't, and they all fly fine.
The biggest reason, as you pointed out, is for clearance of either the prop,
or the wing folding.
The other day, I couldn't find anything on my searches of the archives, but
I almost accidentally stumbled on a great post by Jack Hart a few minutes
ago.
http://tinyurl.com/aghwd
He measured the angle of attack of a Firefly wing in flight, and found it to
be about 7 degrees. With that knowledge, it's much easier to make an
informed decision about the engine mount angle. That's very much Jack!
Cheers,
Rusty (noticed the Laser II on Kolb's page)
Mazda 13B rotary powered RV-3 (flying)
Kolb Slingshot (Mazda single rotor project)
Message 8
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"Sswear1" <Sswear1@wmconnect.com>
--> Kolb-List message posted by: "lynnp" <lynnp@c-gate.net>
--A magician worked on a cruise ship. The audience was different each week so
the magician did the same tricks over and over again. There was only one
problem: the captain's parrot saw the shows each week and began to understand
how the magician did every trick.
Once he understood, he started shouting in the middle of the show.
"Look,it's not the same hat!" or "Look, he's hiding the flowers under the
table!"or "Hey, why are all the cards the ace of spades?"
The magician was furious but couldn't do anything. It was, after all,
thecaptain's parrot.
Then one stormy night on the Pacific, the ship unfortunately sank,
drowningalmost all who were on board. The magician luckily found himself on
apieceof wood floating in the middle of the sea with, and as fate would have
it,
the parrot. They stared at each other with hatred but did not utter a
word.
This went on for a day... and then 2 days...and then 3 days. Finally on
the4th day, the parrot could not hold back any longer and said......
"OK, I give up. Where's the f...ing ship?"
Open WebMail Project (http://openwebmail.org)
Message 9
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| Subject: | Fw: Annual Kolb Flyin at Monument valley |
--> Kolb-List message posted by: "Richard & Martha Neilsen" <NeilsenRM05@comcast.net>
Hey Guys
I wrote a E-Mail to THOSE PEOPLE at EAA Sport Pilot asking if they might be willing
to publish a article about the Kolb Flyin at Monument Valley. Well surprise
surprise they said they would be willing (see the following) so...
Does anyone have a place were we can put all the photos we shot at Monument Valley?
I have a bunch, I know Larry Borne has a bunch and others will have great
ones too. Lets put together the good ones and let the group pick the best of
the best.
Also I will be willing to write some words and send it to the list and or put it
in the same area as the photos so that the group can correct, edit. add to,
what ever. I know we have some writers out there that could turn this into something
that we would all be proud of.
What do you think?
Rick Neilsen
Redrive VW powered MKIIIc
----- Original Message -----
From: Mary Jones
Subject: FW: Annual Kolb Flyin at Monument valley
Hi Richard,
You bet!!!
I'm definitely interested in such an article. (In fact, you may be interested
to know that we're going to be doing a 2-3 page story on Steve Boetto's Firefly
on floats in the July issue. I just finished discussing the final details of
that with him a few minutes ago.)
So...how many photos/words??? Realistically, I'd probably use this article in
the September (or later) issue ... about 3 pages maximum ... so I'd say send me
a selection of about 12-15 photos and no more than 1,500 words ... less words
is acceptable, too.
And, I apologize greatly for not responding to your message sent on April 28.
It's been a wild month-plus for me ... but I still have your e-mail and still
had every intention to respond to you. Just FYI ... from Sun 'n Fun I went to
Germany to the Aero 2005 show for a week and then came home and got bronchitis
... so I'm definitely behind on responding to e-mails ... 'cause I have to give
priority to getting a magazine... albeit one that doesn't contain everything
readers would like ... out the door. Anyway, so much for my sad but true life
story.
I fully understand how you and others may feel that we've abandoned low-priced
airplanes. The problem I've been trying to balance is to provide as much information
as possible about the new rule ... we felt EAA had responsibility to do
as much educating as possible about it ... with a variety of coverage of a variety
of machines ... fixed-wings, trikes, ppcs ... and planes of various cost
ranges. And, at the same time, we like to be as on top of the news as other
aviation magazines, otherwise they "eat our shorts" (if you will) in that regard.
And, frankly, some of those expensive planes are what's been making the news.
So, now, what does that mean for the future. Well, starting with the June issue,
you'll start seeing more features about more affordable airplanes.(M-Squared
in June; Hawk Ultra ultralight in July)...some of the space we could have given
to that earlier went to educating about the rule. You'll start to see more
articles about people who built and fly their own machines ... a Sonex in July
... a RANS S-7 later this fall, for example, and I'm actively seeking an article
about a Piet builder/owner (or something along that plans-built line) for
a future issue, too. (Sometimes finding the good stories with good photos ain't
as easy as it might seem.)
No, I would never say there's nothing to write about with regard to aircraft like
your 1/2-VW-powered Kolb. In fact, I'd love a story about such an airplane.
I've written Scott Casler about doing a 1/2 VW feature ...but I think the e-mail
got lost in never-never land during his move from Ohio to Arizona, so I need
to contact him again.
As for John Williamson ... well, I've been feeling guilty about not getting that
story written for a couple of years. Believe me, he's still on my list and
unless he rejects the idea of us doing a story about him, one will be done. I
just have to figure out when I have time to write it. That's the honest to gosh
truth, but my "plan/hope" is to get written and in the magazine before this
calendar year is out. (Now, of course, I'm going to have to start to balance
how much coverage I give to Kolb aircraft as compared to other models 'cause,
believe me, some other group of builders of another line of aircraft will wave
the flag if I write about Kolb "too many times."
Anyway, I hope that helps explains "where we've been coming from" a bit. There
is not and won't be a conspiracy to only write about expensive airplanes from
here on out (for the reasons I mentioned above) ... at least not as long as I
have a reasonable amount of influence on the magazine's content. Will there still
be stories about those "expensive" LSAs? Yes, there will ... but I'm telling
you that it'll be balanced by stories about affordable airplanes. You can
hold my feet to the fire on that promise.
Richard, thanks for taking the time(s) to write and vent your frustration. I honestly
do appreciate it ... here's hoping you'll be a happier reader shortly
in months to come.
Sincerely
Mary Jones
Editor - EAA Sport Pilot & Light-Sport Aircraft magazine
www.sportpilot.org
920/426-6516
Make your plans now to attend EAA AirVenture Oshkosh 2005, Monday through Sunday,
July 25-31,2005
-----Original Message-----
From: Joe Norris
Subject: FW: Annual Kolb Flyin at Monument valley
Hey MJ,
Over to you!
Joe
-----Original Message-----
From: Richard & Martha Neilsen [mailto:NeilsenRM05@comcast.net]
Subject: Annual Kolb Flyin at Monument valley
I just returned from the annual Monument Valley Flyin and would like to see coverage
of this event in the Sport Pilot Magazine. I would be happy to do a write
up of the event and supply some pictures. You appear to have banned any articles
on Kolbs and any other under $100,000 airplane so I'm asking before I go
to the bother of writing anything. If by chance you allow this and by greater
chance respond to my E-mail please let me know how many words and how many photos.
Richard Neilsen
EAA # 0156743
Message 10
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| Subject: | Fw: Annual Kolb Flyin at Monument valley |
--> Kolb-List message posted by: "George T. Alexander, Jr." <gtalexander@att.net>
Rick:
I've got about 100 meg of disc space from my ISP. Sent the images to me and
I'll put them up using one of the slide show packages for easy viewing.
George Alexander
DO NOT ARCHIVE
-----Original Message-----
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com]On Behalf Of Richard &
Martha Neilsen
Subject: Kolb-List: Fw: Annual Kolb Flyin at Monument valley
--> Kolb-List message posted by: "Richard & Martha Neilsen"
<NeilsenRM05@comcast.net>
Hey Guys
I wrote a E-Mail to THOSE PEOPLE at EAA Sport Pilot asking if they might be
willing to publish a article about the Kolb Flyin at Monument Valley. Well
surprise surprise they said they would be willing (see the following) so...
Does anyone have a place were we can put all the photos we shot at Monument
Valley? I have a bunch, I know Larry Borne has a bunch and others will have
great ones too. Lets put together the good ones and let the group pick the
best of the best.
Also I will be willing to write some words and send it to the list and or
put it in the same area as the photos so that the group can correct, edit.
add to, what ever. I know we have some writers out there that could turn
this into something that we would all be proud of.
What do you think?
Rick Neilsen
Redrive VW powered MKIIIc
Message 11
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--> Kolb-List message posted by: "Beauford" <beauford@tampabay.rr.com>
she forgot the do not archive thingy.... i give up too...
beauford...
do not archive
----- Original Message -----
From: ">
Subject: Kolb-List: funny
> --> Kolb-List message posted by: > --A magician worked on a cruise ship. >
> > the4th day, the parrot could not hold back any longer and said......
>
> "OK, I give up. > >
Message 12
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--> Kolb-List message posted by: "nmatthew" <nmatthew@qwest.net>
The total weight of me, fuel and gear is 562#. (I am 220) Full throttle
RPM is 6200 RPM. I can't hold that because the CHT approaches 400. I
cruse at about 65MPH and 5800 RPM. I've never verified the accuracy of
the tach, but I'll do it this weekend. No enclosure or windshield, nose
cone only. The longest I've flown on 5 gal is 1hr 5 min, I might have
had 10 minutes left but I doubt it.
I will also check the temps accurately this weekend, I only use them to
avoid overheating, so I don't know where they run.
I have a two blade adjustable prop. Any suggestions on adjusting it?
Matthew North
Tucson, AZ
-----Original Message-----
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf Of jerb
Subject: Re: Kolb-List: Firefly
--> Kolb-List message posted by: jerb <ulflyer@verizon.net>
How much heavier?
We used to figure about 3.3 GPH on ours. My partner was around 260# and
I
was at one point topping 290#. Cruise on the step was about 70 with
enclosure. Sounds like you don't have it quite propped right. Where
are
your CHT and EGT's running. What is full throttle RPM on climb out? On
5
gallon tank we wanted to be on the ground within 1 hour 20 min, 1-30
tops.
jerb
At 05:57 PM 5/25/05 -0700, you wrote:
>--> Kolb-List message posted by: "nmatthew" <nmatthew@qwest.net>
>
>I have a Firefly; the top tube of the fuselage is stamped UL 029, and I
>checked the fuel consumption this weekend, its almost 5 GPH. After
>reading about the fellow in Hawaii getting two hours on 6-7 gallons
I've
>been thinking my wing might be too small. I am 220#, and have the rotax
>447. The plane was wrecked when I bought it, so I built a new fuselage
>that is about 4" taller than stock to accommodate my height. It is
>heavy.
>
>How much fuel consumption do other Firefly pilots get?
>
>I looked at the Firestar plans and they appear to have an identical
wing
>section to the Fly. Has anyone ever tried the firestar wing on a
>firefly?
>
>Thanks in advance for any feedback.
>
>Matt North- Tucson, AZ
>
>
Message 13
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| Subject: | Re: Fw: Annual Kolb Flyin at Monument valley |
--> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com>
Wait till you guys see Jim Hefner's pictures. Wow ! ! ! I'm sure there's
going to be others I haven't seen yet. I'm ready to publish a short
webpage on this year's trip, but had problems with Homestead last night.
Soon. It was good to meet you after all this time, Rick. It
was a good trip this year.......again. Lar. Do
not Archive.
Larry Bourne
Palm Springs, CA
Building Kolb Mk III
N78LB Vamoose
www.gogittum.com
----- Original Message -----
From: "Richard & Martha Neilsen" <NeilsenRM05@comcast.net>
Subject: Kolb-List: Fw: Annual Kolb Flyin at Monument valley
> --> Kolb-List message posted by: "Richard & Martha Neilsen"
> <NeilsenRM05@comcast.net>
>
> Hey Guys
>
> I wrote a E-Mail to THOSE PEOPLE at EAA Sport Pilot asking if they might
> be willing to publish a article about the Kolb Flyin at Monument Valley.
> Well surprise surprise they said they would be willing (see the following)
> so...
>
> Does anyone have a place were we can put all the photos we shot at
> Monument Valley? I have a bunch, I know Larry Borne has a bunch and others
> will have great ones too. Lets put together the good ones and let the
> group pick the best of the best.
>
Message 14
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--> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com>
I went ahead and built a webpage last night on this year's MV trip. It published
fine, but I can't seem to get the link from the "Traveling" page to publish.
Soooo.............go direct to it, if you like, at:
http://www.webpictures.homestead.com/monument05.html
It's a short page (for me) and I'm not real happy about the quality of some of
the pictures, but so be it. Most of them published much lighter than my originals.
Also, I need to talk to someone who was there who remembers names, to help me finish
off a couple of the pages. Lar. Do
not Archive.
Larry Bourne
Palm Springs, CA
Building Kolb Mk III
N78LB Vamoose
www.gogittum.com
Message 15
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--> Kolb-List message posted by: "Richard Swiderwski" <rswiderski@earthlink.net>
Hey Lar,
I ain't jealous just because you guys had such an awesome privilege
of aviating over majestic natural wonders! You did good on those pics.
Richard Swiderski
Do not archive
-----Original Message-----
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf Of Larry Bourne
Subject: Kolb-List: MV Web Page
--> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com>
I went ahead and built a webpage last night on this year's MV trip. It
published fine, but I can't seem to get the link from the "Traveling" page
to publish. Soooo.............go direct to it, if you like, at:
http://www.webpictures.homestead.com/monument05.html
It's a short page (for me) and I'm not real happy about the quality of some
of the pictures, but so be it. Most of them published much lighter than my
originals.
Also, I need to talk to someone who was there who remembers names, to help
me finish off a couple of the pages. Lar.
Do not Archive.
Larry Bourne
Palm Springs, CA
Building Kolb Mk III
N78LB Vamoose
www.gogittum.com
Message 16
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| Subject: | Re: Kolb-List Digest: 18 Msgs - 05/25/05 |
--> Kolb-List message posted by: Charlie England <ceengland@bellsouth.net>
b young wrote:
>--> Kolb-List message posted by: "b young" <by0ung@brigham.net>
>
>
>Hi Ed, an inexpensive way to verify your mini tach is to buy a digital prop
>tach, ($49 Sky Sports). Multiply your reading by the gear ratio for engine
>rpm.
>Fly Safe
>Bob Griffin
>
>
>or you could go to a model airplane flying field and see if one of the
>pilots has a tach they use for model aircraft..... he might be willing to
>come and help you for the fun of it......
>
>boyd
>
Read the label carefully before investing in a model a/c tach. The ones
I researched had a tolerance listed at 200-300 rpm. That's a pretty big
error for a digital instrument.
Charlie
Message 17
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| Subject: | Re: thrust angle of SS |
--> Kolb-List message posted by: "woody" <duesouth@govital.net>
Working on Waynes Sling shot we found we could change the engine angle by
installing the rubber motor mounts inverted on one end and shim with washers
to get near the 3/4 rise that was recomended.
Message 18
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--> Kolb-List message posted by: "Edward Chmielewski" <edchmiel@mindspring.com>
(Note: Subject changed to reflect topic)
Charlie/All,
Just curious, which tach had that big an error? All the ones I've used
had 1/2% error, at most. Dynamite,
Globee, etc. These were digital, not analog. I even used one to check a Merlin
IIIB turboprop when I had a
tach-generator going bad. Was right on the money.
I highly recommend the RC airplane tachs. They seem to be the same technology,
just less costly.
Ed in JXN
MkII/503
----- Original Message -----
From: "Charlie England" <ceengland@bellsouth.net>
Subject: Re: Kolb-List: Re: Kolb-List Digest: 18 Msgs - 05/25/05
> --> Kolb-List message posted by: Charlie England <ceengland@bellsouth.net>
>
> Read the label carefully before investing in a model a/c tach. The ones
> I researched had a tolerance listed at 200-300 rpm. That's a pretty big
> error for a digital instrument.
>
> Charlie
>
Message 19
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--> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com>
Ya don't want to let us hog it............y'all come next year, y'hear ??
I can't believe what a great facility that is. Most tourist traps
are.....traps. Goulding's is a 1st rate facility in every way - and, of
course, there's the scenery......and more scenery.......and waaaaayyy more
scenery. Lar. Do not Archive.
Larry Bourne
Palm Springs, CA
Building Kolb Mk III
N78LB Vamoose
www.gogittum.com
----- Original Message -----
From: "Richard Swiderwski" <rswiderski@earthlink.net>
Subject: RE: Kolb-List: MV Web Page
> --> Kolb-List message posted by: "Richard Swiderwski"
> <rswiderski@earthlink.net>
>
> Hey Lar,
>
> I ain't jealous just because you guys had such an awesome privilege
> of aviating over majestic natural wonders! You did good on those pics.
>
> Richard Swiderski
> Do not archive
Message 20
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--> Kolb-List message posted by: Richard Pike <richard@bcchapel.org>
Wow... Something just doesn't sound right.
I see you have a 447, what brand prop? blade length? number of blades?
Gearbox ratio?
EGT on climbout? Cruise?
CHT on climbout? Cruise?
What do your plugs look like? (color)
Are you running stock (recommended) jets?
Have you calibrated your airspeed with a gps?
Air filter is clean? Enrichment lever is not stuck on? Fan belt not slipping?
Maybe things can be improved -
Richard Pike
MKIII N420P (420ldPoops)
do not archive
At 05:21 PM 5/26/2005 -0700, you wrote:
>--> Kolb-List message posted by: "nmatthew" <nmatthew@qwest.net>
>
>The total weight of me, fuel and gear is 562#. (I am 220) Full throttle
>RPM is 6200 RPM. I can't hold that because the CHT approaches 400. I
>cruse at about 65MPH and 5800 RPM. I've never verified the accuracy of
>the tach, but I'll do it this weekend. No enclosure or windshield, nose
>cone only. The longest I've flown on 5 gal is 1hr 5 min, I might have
>had 10 minutes left but I doubt it.
>
>I will also check the temps accurately this weekend, I only use them to
>avoid overheating, so I don't know where they run.
>
>I have a two blade adjustable prop. Any suggestions on adjusting it?
>
>Matthew North
>Tucson, AZ
Message 21
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| Subject: | Monument Valley and More, plus Density Altitude experience |
from Bryce Canyon
--> Kolb-List message posted by: "JIM HEFNER" <hefner_jim@msn.com>
Gang, after returning home from a 2 week trip yesterday morning, I just finished
sorting through over 900 pictures and put 150 on my website. I organized the
pictures into folders of the different places I visited and flew. I pulled
my trailer and Firefly over 1700 miles, starting in Tucson on May 12th. My log
book is at the airport so I don't know the total hours of flight logged over
that period, but I'm sure it was somewhere around 12-15hrs and that is just local
flying, since I trailered the plane between locations. I flew Sedona, AZ,
Page, AZ (West end of Lake Powell), Bryce Canyon, Monument Valley and Moab (Canyonlands
and Arches National Parks).
Here is my website: http://jhefner.photosite.com<http://jhefner.photosite.com/>
Click on the folder you want to see and then launch the slideshow to see full screen
pictures. Hit Back to Home Page to go back to the folders view to look
at other folders.
My Firefly (#022) performed flawlessly during the entire trip, but I certainly
underestimated the effects of density altitude while flying Bryce Canyon and was
lucky to get away with a case of bad judgment without harm to me or my plane.
The elevation at Bryce Canyon Airport is 7590 ft and the runway is 7400 ft
long... almost a mile and a half!! I have a 2 blade 66" IVO on the 447 and I
have been flying it for 3 years with the prop set for cruise, flying from a field
elevation of 3275 ft. On take off, I generally see no more than 5700 - 5800
rpms at WOT. I typically lift off in 300-400 ft on my home strip. I had
flown Monument Valley before a couple times and density altitude there was never
a factor. Page airport is at 4300 ft elevation, Sedona is 4800 ft and Canyonlands
field in Moab is 4550 ft. I had never flown from an airport at an elevation
like Bryce Canyon and I knew the plane performance would be much less than
normal, but I never dreamed it would be affected as much as it was! I didn't
want to taxi a mile and a half so I taxied to the A3 turnoff point and decided
to take the short end of the runway since I would be headed right for Bryce
Canyon after lifting off. I went out on the runway the night before to check
it out since the wind didn't die, so I had time on my hands. I stepped it
off at a little over 1700' to the short end. I figured my FF would get off the
ground in 2-3 times the normal distance. That was where the bad judgment started!
I should never have considered that for my first takeoff, given I had
not flown at that altitude before. The other thing that contributed to even worse
performance was that the runway was uphill toward the short end! So there
were lots of things going against takeoff performance in this case. To make
a long story short, the plane lifted off just barely at around 1600' and I was
white knuckled seeing the runway lights coming up fast and I'm not lifting off.
It lifted off just as I was coming to the last big white stripes at the end.
After!
it lift
ed off it was pretty mushy at first but finally smoothed out and I was able to
climb, although not a very high climb rate. I climbed to around 9000' with no
problem and was able to pull power back to 4800 and cruise without loosing altitude.
Landing was also no problem, but I was definitely going a lot faster
(ground speed) than I normally land at lower altitudes, but I just kept the ASI
at it's normal 50 with engine at idle and full flaperons. It flared like normal
and I greased it as good as I ever have with a 3 point landing. Before my
next trip to high altitude airports, I will take a degree or two of pitch out
of the prop to give me more margin for density altitude and I will never be
tempted to do short end takeoff's like I did at Bryce... really dumb... learned
my lesson and got away with it!! Others take heed when flying at high density
altitude. I know there has been quite a bit of discussion on the topic so
thought I would throw in my recent experience with it so others won't make the
same mistake I did. A friend of mine estimates that my 447 was putting out about
25 hp out of the normal 40, due to thin air affecting fuel mixture... richer
than normal, prop bites less air density, wings generate less lift and in
this case I was going up hill to boot! I dodged a bullet for sure!! That could
have ruined an otherwise wonderful trip! Maybe my vortex generators helped
it get off when it did.... ??
I use a Fuji 3800 3.2M digital camera. I have a short windshield on the Firefly
so it is otherwise open for unobstructed photos. I wear a helmet and comm headset
with a full face shield for wind protection so I can't look through the
viewfinder... I just point and shoot, even when zooming. I've gotten pretty
good at it over the last 3 years. I use the normal auto mode on the camera and
get pretty sharp pictures. I could use the sport setting and get faster shutter
speeds, which helps prevent blurring, but I usually never remember to change
it.
Enjoy the pictures, I sure enjoyed flying these spectacular places and shooting
them. It was great to see many familiar faces again this year in Monument Valley,
plus many new faces. Hope to see even more of you there next year, plane
or no plane.
Jim Hefner
Tucson, AZ
Message 22
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--> Kolb-List message posted by: "JIM HEFNER" <hefner_jim@msn.com>
Matthew, I burn 2.75 to 3 gal/hr in my 447 on Firefly #022 after 200 hrs. 5 gal
per hour seems high for a 447. That's more like 503 burn rates that I have
heard others talk about. I have a 2 blade IVO set for cruise and run lower than
normal rpm's, but I don't think it matters much, since fuel burn rate doesn't
seem to change much with rpm changes.
--> Kolb-List message posted by: "nmatthew" <nmatthew@qwest.net<mailto:nmatthew@qwest.net?subjectRe: Firefly&replyto200505260057.j4Q0veef032108@mail.matronics.com>>
How much fuel consumption do other Firefly pilots get?
Message 23
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| Subject: | Re: Monument Valley and More, plus Density Altitude experience |
--> Kolb-List message posted by: "JIM HEFNER" <hefner_jim@msn.com>
The website link seemed to have a problem after I saw it posted to the list so
here it is again:
http://jhefner.photosite.com/<http://jhefner.photosite.com/>
Jim Hefner
Tucson, AZ
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