Today's Message Index:
----------------------
1. 06:02 AM - Re: Hanger location (Thom Riddle)
2. 10:14 AM - Re: Adventures in prop inertia, further (Kirby Dennis Contr MDA/AL)
3. 11:24 AM - Re: Hanger location (jerb)
4. 01:50 PM - video (Larry Cottrell)
5. 02:18 PM - Re: Hanger location (Jim Dunn)
6. 03:14 PM - Re: video (robert bean)
7. 03:38 PM - Re: video (Larry Bourne)
8. 03:45 PM - Re: Hanger location (Larry Bourne)
9. 04:33 PM - Re: video (Larry Cottrell)
10. 06:39 PM - Engines (Dana Hague)
11. 07:05 PM - Re: Hanger location (Russ Kinne)
12. 07:29 PM - Re: Hanger location (Larry Bourne)
13. 08:38 PM - Re: video (Bob Dalton)
Message 1
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| Subject: | Re: Hanger location |
Since we rent hangar space at BQR and was on a waiting list to get that
space, orientation was not on my worry list. However, for those of you
living in the great white north and actually fly during the winter, one
other item is worth considering. Snow and Ice removal from the door. We
were fortunate to get a south facing hangar (door on south side) so
that the sun helps melt the snow and ice at the bottom of the door.
I've had hangar space on the north side and can tell you that the extra
work to get the doors open during the winter was incredible and was
sufficient to make me not fly on many occasions. I'm very glad indeed
for the south facing hangar, even though our prevailing winds are from
the SW and average wind speed here in the winter is 14 mph.... only 9
mph in August.
Thom in Buffalo
do not archive
Message 2
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| Subject: | Re: Adventures in prop inertia, further |
Richard Girard wrote: << Powerfin 68" ... Inertia 2800 kg cm >>
Rick -
Thanks for the data on prop inertia.
As we see from your post, Powerfin props have the lowest rotational
inertias compared to most (all?) the other props. This is one of their
selling points - low inertia provides less stress on the engine &
gearbox.
However, this can also be a negative. For example, I had used a
Powerfin on the Verner engine that was originally installed in my
Mark-III. It was too light. Result was insufficient "flywheel effect"
for this engine, and it was not damping out the engine power pulses
sufficiently, causing the prop redrive hub bolts to break.
Dennis Kirby
Mark-III, 912ul (now)
New Mexico
Message 3
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| Subject: | Re: Hanger location |
Why can't you install removable anchors in the concrete
now. Shouldn't be that hard if you use a hammer drill. You can rent
one and even the bits from most industrial rental places. If your
intent is only to keep it from moving you shouldn't need that much
being sheltered by the hangar itself. They could screw in and out of
the floor.
jerb
At 01:10 PM 12/19/2006, you wrote:
>
>You want the hangar to take the wind, not the aircraft inside so I would
>put the doors 90 degrees to the wind. I have an enclosed hangar with a
>door on 1 side and I am sometimes concerned about the wind with the
>ultralights sitting inside and the door open.
>
>If I were to build my hangar again, I would put a few tie-downs in the
>concrete on the floor (probably along the centerline). The lift-up kind
>that fall flush when not in use. They can be used as an anchor for
>winching, or tie down in windy conditions with the door open, etc.
>
> >
> > I have a question regarding hangers. There seem to be several self hanger
> > builders on this site and I was wondering which direction would one have
> > the "opened" ends positioned"?
> >
> > Ohio Ralph
>
>
Message 4
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http://video.google.com/videoplay?docid=-5412566597954525204
I took a bit of camera video yesterday as I was practicing some
maneuvers, a bit poor quality, but an insight into my airstrip. I will
practice a bit and perhaps figure out how to use a real camera for some
of the deer and other things that abound here.
Thanks Possums!
Larry, Oregon
do not archive
Message 5
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| Subject: | Re: Hanger location |
Anchors will work for light duty, but for maximum stength they should be
imbedded in the concrete and tied into the rebar. That kind of strength
wouldn't be needed very often. (e.g., 2000# winch going up to the trusses
then back down to pick up an entire aircraft.
>
> Why can't you install removable anchors in the concrete
> now.
Message 6
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Thanks Larry, I needed a fix. Sure is a long strip!
BB do not archive
On 21, Dec 2006, at 4:49 PM, Larry Cottrell wrote:
> http://video.google.com/videoplay?docid=-5412566597954525204
> -
> I took a bit of camera video yesterday as I was practicing some
> maneuvers, a bit poor quality, but an insight into my airstrip. I will
> practice a bit and perhaps figure out how to use a real camera for
> some of the deer and other things that abound here.
> Thanks Possums!
> Larry, Oregon
> -
> do not archive
> -
>
>
Message 7
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Very nice, Larry. Very smooth, solid and steady. I assume you used a
helmet cam like Possum's ??
Man, you weren't kidding when you said you were going way back of
beyond. Sure do gots your privacy there, dontcha ??
Lar. Do not Archive.
Larry Bourne
Santa Fe, NM
www.gogittum.com
----- Original Message -----
From: Larry Cottrell
To: kolb-list@matronics.com
Sent: Thursday, December 21, 2006 1:49 PM
Subject: Kolb-List: video
http://video.google.com/videoplay?docid=-5412566597954525204
I took a bit of camera video yesterday as I was practicing some
maneuvers, a bit poor quality, but an insight into my airstrip. I will
practice a bit and perhaps figure out how to use a real camera for some
of the deer and other things that abound here.
Thanks Possums!
Larry, Oregon
do not archive
Message 8
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| Subject: | Re: Hanger location |
Yah, for max strength you're right, but not all anchors are created equal.
It'd be interesting to see some comparative tests of various concrete
anchors. I've worked with quite a few over the years, and some that I've
seen work OK in shear, but poorly in tension. Then again, some I've used
that have a tapered lower section that pulls up into an expandable sleeve
are perty husky. Some have impressed me quite a bit, and I'd be hard put to
picture one pulling out. That, of course, would depend to some extent on
the concrete itself. On that, I've seen some home mixed and poured stuff
that wasn't much better than putty. Others have been like granite, so ya
never know. Lar.
Larry Bourne
Santa Fe, NM
www.gogittum.com
----- Original Message -----
From: "Jim Dunn" <jim@tru-cast.com>
Sent: Thursday, December 21, 2006 2:17 PM
Subject: Re: Kolb-List: Hanger location
>
> Anchors will work for light duty, but for maximum stength they should be
> imbedded in the concrete and tied into the rebar. That kind of strength
> wouldn't be needed very often. (e.g., 2000# winch going up to the trusses
> then back down to pick up an entire aircraft.
>
>>
>> Why can't you install removable anchors in the concrete
>> now.
>
>
>
Message 9
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----- Original Message -----
From: Larry Bourne
To: kolb-list@matronics.com
Sent: Thursday, December 21, 2006 5:37 PM
Subject: Re: Kolb-List: video
Very nice, Larry. Very smooth, solid and steady. I assume you used a
helmet cam like Possum's ??
No, I was just holding the Fuji camera in my right hand. It would be
really nice to have a set up like my hero uses, but until then I will
just have to stumble along.
do not archive
Larry, Oregon
Message 10
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Just what's the deal nowadays with 2Si / Cuyuna? According to one part of
their website, they say their engines are NOT for aircraft use, on another
page they say they're used for light aircraft and PPC's, and in still
another (dated 2003) they say they want to sell the aircraft engine
business. I'm guessing it's just a liability CYA thing? Not that I need
any parts at the moment for the Cuyuna on my Ultrastar, but it's nice to
know what the deal is.
On a sorta related note, what about the Simonini Victor 1 engine? Single
cylinder, dual ignition, water cooled, 48hp and 70 lbs with accessories...
seems perfect for an Ultrastar or similar. Dunno what it costs though...
there's also their 33hp Mini 2 which weighs only 44 lbs. The Mini 2 (28hp)
is quite popular on PPG's these days.
-Dana
--
--
Why is it that doctors call what they do "practice"?
Message 11
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| Subject: | Re: Hanger location |
LAR, YOUR WIDESPREAD KNOWLEDGE NEVER FAILS TO IMPRESS ME (sorry, hit
CaPS KEY)
Thanx for sharing with us.
Do Not Archive
On Dec 21, 2006, at 7:44 PM, Larry Bourne wrote:
>
> Yah, for max strength you're right, but not all anchors are created
> equal. It'd be interesting to see some comparative tests of various
> concrete anchors. I've worked with quite a few over the years, and
> some that I've seen work OK in shear, but poorly in tension. Then
> again, some I've used that have a tapered lower section that pulls
> up into an expandable sleeve are perty husky. Some have impressed
> me quite a bit, and I'd be hard put to picture one pulling out.
> That, of course, would depend to some extent on the concrete
> itself. On that, I've seen some home mixed and poured stuff that
> wasn't much better than putty. Others have been like granite, so
> ya never know. Lar.
>
> Larry Bourne
> Santa Fe, NM
> www.gogittum.com
>
> ----- Original Message ----- From: "Jim Dunn" <jim@tru-cast.com>
> To: <kolb-list@matronics.com>
> Sent: Thursday, December 21, 2006 2:17 PM
> Subject: Re: Kolb-List: Hanger location
>
>
>>
>> Anchors will work for light duty, but for maximum stength they
>> should be
>> imbedded in the concrete and tied into the rebar. That kind of
>> strength
>> wouldn't be needed very often. (e.g., 2000# winch going up to the
>> trusses
>> then back down to pick up an entire aircraft.
>>
>>>
>>> Why can't you install removable anchors in the concrete
>>> now.
>>
>>
>>
>>
>>
>>
>
>
Message 12
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| Subject: | Re: Hanger location |
What was it ?? Everyone likes a little A.... ?? Hope you're on my side.
:-) Do NOT Archive.
Larry Bourne
Santa Fe, NM
www.gogittum.com
----- Original Message -----
From: "Russ Kinne" <russ@rkiphoto.com>
Sent: Thursday, December 21, 2006 7:01 PM
Subject: Re: Kolb-List: Hanger location
>
> LAR, YOUR WIDESPREAD KNOWLEDGE NEVER FAILS TO IMPRESS ME (sorry, hit CaPS
> KEY)
> Thanx for sharing with us.
> Do Not Archive
>
> On Dec 21, 2006, at 7:44 PM, Larry Bourne wrote:
>
>>
>> Yah, for max strength you're right, but not all anchors are created
>> equal. It'd be interesting to see some comparative tests of various
Message 13
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Larry,
How about "Cottrell Country" on your Landing Strip!
Bob D.
Do not archive
_____
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf Of Larry Cottrell
Sent: Thursday, December 21, 2006 1:50 PM
Subject: Kolb-List: video
http://video.google.com/videoplay?docid=-5412566597954525204
I took a bit of camera video yesterday as I was practicing some maneuvers, a
bit poor quality, but an insight into my airstrip. I will practice a bit and
perhaps figure out how to use a real camera for some of the deer and other
things that abound here.
Thanks Possums!
Larry, Oregon
do not archive
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