Today's Message Index:
----------------------
1. 08:25 AM - Re: Flying without gear leg fairings (Charles Rowbotham)
2. 11:26 AM - Re: looking for a prop (gordon or marge)
3. 04:14 PM - Fw: Garmin GNS 430 WAAS Upgrade Questions ANSWERED! (Charles Reiche)
4. 07:49 PM - Re: Looking for hangar designer (gbrasch)
Message 1
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| Subject: | Flying without gear leg fairings |
Hi Tim,
We flew our 8A with on the wheel pants on for about 6 months - No problem.
With that said - when you get the gear leg and intersection fairings
installed you will see a very nice increase in cruise speed!
One note I would suggest that you install your main gear fairings first and
fly. You can then install the nose wheel fairing and may avoid a rudder tab,
if needed.
Chuck & Dave Rowbotham
RV-8A
>From: "Tim Bryan" <n616tb@btsapps.com>
>To: <rv-list@matronics.com>
>Subject: RE: RV-List: Flying without gear leg fairings
>Date: Fri, 4 May 2007 07:55:34 -0500
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Message 2
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| Subject: | looking for a prop |
-----Original Message-----
From: owner-rv-list-server@matronics.com
[mailto:owner-rv-list-server@matronics.com] On Behalf Of Eric Whiteside
Sent: Thursday, May 03, 2007 1:32 PM
Subject: RV-List: looking for a prop
I need to replace the prop on my RV4. I have been flying a constant
speed up
to now, but it has become uneconomic
to maintain/repair. I am going to try lighter/simpler for a change, so
I'm
looking for a wood prop suitable for a 160hp O-320.
Any recommendations based on actual operational experience would be
appreciated.
Also, if you know of one currently for sale please let me know.
Thanks,
Eric
erwhites@bellsouth.net
Eric: I have learned to distrust dogmatic statements and assertions
that
resemble dogma. Nevertheless some generalizations are reasonably
useful.
Metal props, being thinner, are likely more efficient than wood ones.
Would
you consider a fixed pitch metal? What will a wood prop do to your CG?
Is the CG change acceptable? What do you want the prop to do; max speed
at
sea level and 2700, max speed at 10000' and 2700, best cruise at mid
levels
and some intermediate rpm, best initial takeoff and climb ability,
greatest
ground clearance, best cruise at high altitudes? There are a good many
more
questions.
Do you expect to fly in rain? Will you have strong alternating high
humidity/low humidity cycles? How clean is your airplane (there's a
doozy
of a question}.
My direct experience is with Sensenich props. Their method of measuring
pitch is different from some others but they do make props to a standard
that they can
reproduce. Consequently they will not alter a prop since that creates a
non
standard unit. I can send you performance data that was taken from my
160hp
RV-4
but it would be useful only as a guide. Attached you your airplane it
could
be altogether different. Some years ago when considering a prop for my
-4,
I spent
some time at Oshkosh with a couple of steel scales, measuring props.
The
variation was astonishing. Many that I looked at from reputable makers
varied
greatly from blade to blade. Does it matter? Maybe not very much but
it
moved me toward Sensenich. I have also learned that the surface
condition
is very important,
causing performance variations of as much as 5%. Contact me off line if
you
would like to continue this conversation.
Gordon Comfort N363GC
Message 3
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| Subject: | Garmin GNS 430 WAAS Upgrade Questions ANSWERED! |
I was having a great deal of problems with verizon email all the way back to
this discussion and I have some insights now that I have done 5 upgrades of
existing IFR installations.
Charles
----- Original Message -----
From: "Charles Reiche" <reichec@verizon.net>
Sent: Wednesday, April 11, 2007 6:44 AM
Subject: Re: RV-List: Garmin GNS 430 WAAS Upgrade Questions ANSWERED!
>
>> From Garmin I learned the following (hopefully all is correct)
>>
>> 1) Turnaround time is one week
>>
> Maybe
>
>> 2) Terrain/obstacle functionality is included in the $1500 price. Price
>> may increase some time next year (TBD).
>>
> Yes this is true
>
>> 3) Primary nav software may be out 3rd quarter of 2007
>>
> you can use it for primary nav as the Service bulletin that is out only
> applies to 135 operators (as far as I can tell) Garmin does not consider
> Service Bulletins manditory. the use of the prediction software is only
> laid out in the service bulletin.
>
>> 4) New antenna and coax are included
>>
> The antenna changes from a ga56 to a ga35 with is slightly bigger in form
> factor but uses the same hole footprint. You can wait a while until the
> ga56w antenna which is the same shape as your current antenna.
>
> New coax is not included but your installation must have low loss coax
> with a loss value of something like 3-7dB , This means that your coax must
> be 13 feet long minimum and be made of rg-142 or rg-400. This is the only
> real pain of the upgrade to 90% of all users.
>
>> 5) Retains the current mounting tray
>>
> For certified airplanes there are Field of view requirements for the use
> of an external anunciator, which costs like $1000. you could also make
> your own somehow. This only depends on how detailed an experimental
> operator wants to follow the manual.
>
>
>> 6) May require autopilot wiring change/addition
>>
> I have only found in cases of the king KAP140 and KFC 225 and the Stec
> autopilots with GPSS adapter(early sn units below 600 need a relay
> installed, after 600 need 1 wire installed)
> All changes apply Localizer mode enhanced gain while the unit is in GPS
> mode and allow "GS" coupling.
>
>> My question from anyone who has made the upgrade is it really a remove
>> and replace situation?
> can be
> Will it still drive my Trio wing leveler autopilot with no wiring
> changes?
> yes
> Is the possible autpipilot wiring change if you have altitude autopilot?
> yes or GPSS steering with Stec
> Any other issues that may affect a decision to upgrade?
> Is it worth it yet. The unit only carries 90 days
> warranty after modification so use it alot after you get it back to see if
> anything is wrong. I have had 2 screen problems with flickering so far.
> The brains of the unit are only changed, not the face bezel, not the
> buttons, not the knobs, noth the screen..... catch my drift. also, no
> mods other than the NAV board is done, there are other existin COM mods
> and general mods available but at more cost and time in house.
> Another option is to find a shop that will take your unit in on trade and
> buy a new unit for more... then carrying a full 2yr warranty.
>>
>> Ron Lee
>>
> Charles Reiche
Message 4
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| Subject: | Re: Looking for hangar designer |
Paul, Glenn here in Tucson. I would contact Gary Schneider out at Ryan, he and
his partner have built all the hangars out there, including mine. His work cell
is 520-954-7667. Tell him I sent you. Be careful over there, you still flying
OH-58's? I miss them....
--------
Glenn Brasch
RV-9A Finishing #90623, O-360
Tucson, Arizona
Van's Aircraft Belt Buckles
http://home.earthlink.net/~gbrasch/
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http://forums.matronics.com/viewtopic.php?p=111254#111254
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