Today's Message Index:
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1. 01:53 PM - Re: MagnaFlite MZ-6222 starter (Robert L. Nuckolls, III)
2. 01:54 PM - Re: TurboCAD software at a discount (Robert L. Nuckolls, III)
3. 02:00 PM - Re: Low Volt Warning breaker (Robert L. Nuckolls, III)
4. 03:18 PM - Re: IFR GPS requirements/TSO-88C ()
5. 04:47 PM - Re: TurboCAD software at a discount (Ralph Hoover)
6. 04:57 PM - Re: IFR GPS requirements/TSO-88C ()
7. 07:09 PM - Re: IFR GPS requirements/TSO-88C ()
Message 1
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Subject: | Re: MagnaFlite MZ-6222 starter |
At 05:40 PM 1/22/2008 -0800, you wrote:
>
>A (yellow tagged) MZ-6222 lightweight MagnaFlite starter came with my
>rebuilt O-540 engine. Does anyone know of a source to estimate real world
>current draw at starter engagement so as to properly size the wire? I'm
>pretty sure #2 would be safe, but can it be quantified a bit better than
>"hundreds of amps"?
>
>The unit looks like it's in pretty good shape (teeth are not worn at
>least). Is there any way to test the state of internal electrical stuff
>besides disassembly?
>
>Thanks in advance for replies.
If your battery and engine are on the same
end of the airplane, #4 would probably be
fine for all of your "fat" wires . . . #2
would certainly be okay.
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
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Message 2
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Subject: | Re: TurboCAD software at a discount |
At 03:28 PM 1/23/2008 -0800, you wrote:
>
>I recently purchased a copy of TurboCAD Deluxe 14 from
>academicsuperstore.com for $70 (including shipping). This price seemed
>like a really good deal as it retails for $149.
>
>Here's the catch... You have to have a student in your household to qualify.
If one is primarily interested in opening, editing, saving
and printing AeroElectric Connection .dwg files, then
any version 7 or later will work. The last V7 I purchased
of Ebay was $10 plus postage. Obviously, if one needs the
more advanced features of a later version, the $higher$
editions are indicated.
Bob . . .
Message 3
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Subject: | Re: Low Volt Warning breaker |
At 02:23 PM 1/24/2008 -0600, you wrote:
>
>Just curious why there is a breaker for the Low Volt OV sense - on the
>LR3C regulator - Z13 - and not just combined with the ALT field breaker?
Because the B&C devices are not just "regulators" . . . they
contain OV protection, alternator regulation AND LV Warning.
Further, these regulators conform to design goals that have
become pretty much standard over the last 20+ years: DON'T
MAKE FIELD SUPPLY AND VOLTAGE SENSE LINES TO THE BUS SHARE
A COMMON CONDUCTOR. This is called, "remote sensing for
voltage regulation".
This prevents the very common ammeter oscillation
phenomenon common in many light aircraft of yesteryear.
It also insures that the LV warning system stays
operational even if the alternator has been taken off
line manually or by reason of an OV condition.
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
Message 4
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Subject: | Re: IFR GPS requirements/TSO-88C |
Bob, I agree with you, but there are requirements for
TSO even on a homebuilt/experimental/amateur built:
ELT
IFR GPS
Transponder
I agree encoder is not a TSO item, and if it passes
the 24 month pitot / static test than its good.
>From: BobsV35B@aol.com
>Subject: Re: AeroElectric-List: IFR GPS requirements/TSO-88C
>There is no requirement that any piece of equipment be TSO'd.
>The only requirement is that it perform properly.
>
>What am I missing here? Happy Skies,
>
>Old Bob
>Ancient Aviator
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Message 5
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Subject: | Re: TurboCAD software at a discount |
Davinci Technologies has a product called Airplane PDQ $99 that is
built on Intellicad, it is ACAD compatible, you may want to take a look.
This quote is from their website "AirplanePDQ is a
conceptual/preliminary design tool for light homebuilt and general
aviation aircraft."
I use it to translate newer ACAD files to the R14 version that I use.
http://www.davincitechnologies.com/
--
Ralph C. Hoover
RV7A
hooverra at verizon dot net
Message 6
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Subject: | Re: IFR GPS requirements/TSO-88C |
Great post. 100% right on.
With the web you have advice of many, and everyone
is in such agreement, plus lots of excellent advice,
you should be encouraged.
1 Go to different shop
2 Call EAA, get all the regs references to back you up.
3 Call the FAA and politely ask, "educate me?"
4 Than challenge FAA to advice shop its OK.
(EAA not sure they make calls for you, but their legal will advise you.)
Once you educate them if you have, they will know
they're wrong and it would make them look bad;
they will agree and tell the shop it's OK to do a
Pitot Static test. That is ALL it is a TEST for accuracy,
not certification of the equip.
Sometimes its ego and they don't want to back down,
but they will if you have the information. It's not even
a gray area. They are wrong.
Some times you have to take a stand. Be an
advocate for all EAA'ers. You can do it and it
will not take that much time. You can do it
all on the phone most likely.
Here are some Reg Ref links for FUN?
Sec. 91.215 ATC transponder and altitude
reporting equipment and use.
http://www.ferrer-aviation.com/far91215.htm
Sec. 91.217 - Data correspondence between
automatically reported pressure altitude data
and the pilot's altitude reference.
http://www.ferrer-aviation.com/far91217.htm
TSO-10b (altimeter)
http://tinyurl.com/2f8rla
TSO-C88 (alt reporting / digitizing)
http://tinyurl.com/2ez4a3
Don't panic, when you see TSO. It's a definition and
many sections of part 91 Ref. part 21, 23, 34, 43, 47 &
TSO's to name a few. None (almost) apply to experimentals.
---------------------------------
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Message 7
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Subject: | Re: IFR GPS requirements/TSO-88C |
I did some more research and here is the break
down of TSO'ed equip, including encoder in an
experimental plane.
Great thread on BMA. Check out page 2 and even
more page 3, which are most relevant.
http://tinyurl.com/2au2pe
Paper on legality of experimental EFIS (encoder,
altimeter, GPS, aka none TSO) in experimentals.
http://tinyurl.com/2fbloa
Bottom line is the pitot/static test is not an approval
of the equip. As the builder you state it meets the
TSO. I posted on Dynon's forum the same
question. Some manufactures like GRT say their
encoder meets the TSO.
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