Today's Message Index:
----------------------
1. 12:02 AM - Re: V Speeds (Frank)
2. 12:28 AM - Re: Aeroflash Strobe Unit (Steve Sampson)
3. 09:20 AM - Re:Aeroflash Strobe Unit (Leland)
4. 12:04 PM - Re: Re:Aeroflash Strobe Unit (Bob Kelly)
5. 01:06 PM - [ John Harris ] : New Email List Photo Share Available! (Email List Photo Shares)
6. 07:20 PM - (no subject) (DLOMHEIM@aol.com)
7. 07:24 PM - Sorry about my last posting! (DLOMHEIM@aol.com)
8. 11:45 PM - Gifts from the French (Rob W M Shipley)
9. 11:46 PM - 705 bulkhead alignment. (Rob W M Shipley)
Message 1
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--> RV9-List message posted by: "Frank" <fscorpio@softcom.net>
Ned,
Per Gus Funnell at vansaircraft:
Vne RV-7/7A is 230 mph
Vne RV-A is 210 mph
Va RV-7 is 142 mph
Va RV-9A is 118 mph
Vx RV-7 is 90 mph
Vx RV-9A is 80 mph
Vy RV-7 is 115 mph
Vy RV-9A is 110 mph
All are approximate.
Frank
----- Original Message -----
From: <315@cox.net>
Subject: RV9-List: V Speeds
> --> RV9-List message posted by: <315@cox.net>
>
> Anyone know what the V speeds for the RV9A are? Such as Maximum
Structural
> Cruising and Never Exceed speeds?
> Thanks,
> Ned
>
>
Message 2
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| Subject: | Aeroflash Strobe Unit |
--> RV9-List message posted by: "Steve Sampson" <SSampson.SLN21@london.edu>
Todd - thanks for that. It's the conclusion I have reluctantly been moving
towards. That combined with the absolutely offputting style of the aeroflash
customer service have nearly sold me on going with Whelen. They sure hate to
answer a question. I just hate to pay so much for that little tail light.
Regards, Steve.
-----Original Message-----
From: owner-rv9-list-server@matronics.com
[mailto:owner-rv9-list-server@matronics.com] On Behalf Of tchoug
Subject: RE: RV9-List: Aeroflash Strobe Unit
--> RV9-List message posted by: tchoug <tchoug@micron.com>
Steve,
If you're thinking about using the aeroflash tube with the NOVA X-PAK, you
might want to look into the power rating of the aeroflash tube. The
aeroflash spec from the link listed earlier indicates that the supply is
rated at 10 joules output, it doesn't state what the tube can handle.
The X-PAK 904 used to power two wing tip strobes and one tail strobe is
rated at about 40 joules for each pair of outputs. With the wingtip strobes
working as a pair they divide this for 20 joules each. With the tail strobe
being solitary, it gets the full 40 joules! I have the X-PAK 904 and the
Whelen strobe tubes. I've hooked them up in the shop and let me tell you,
they are bright! However, the tail strobe definitely gets very hot with no
airflow.
If the aeroflash tail strobe can't handle much more than the 10 joule rating
of the supply, you're likely to fry it driving it from an X-PAK. The Whelen
supply is rated very similar to the X-PAK so the Whelen tubes should be able
to handle the X-PAK supply output.
Todd
RV9A - Fuselage
-----Original Message-----
From: Steve Sampson [mailto:SSampson.SLN21@london.edu]
Subject: RE: RV9-List: Aeroflash Strobe Unit
--> RV9-List message posted by: "Steve Sampson" <SSampson.SLN21@london.edu>
Yes I also have a Nova strobe power unit. I am just trying to avoid using
the Whelen unit on the tail . I hate monopolies!
Regards, Steve.
-----Original Message-----
From: owner-rv9-list-server@matronics.com
[mailto:owner-rv9-list-server@matronics.com] On Behalf Of Leland
Subject: Re: RV9-List: Aeroflash Strobe Unit
--> RV9-List message posted by: Leland <Federigo@pacbell.net>
Steve, generally the Aeroflash system puts out less energy per flash, so
a Whelan power supply may overdrive the Aeroflash flashlamps. I bought
an X-PAK 904 strobe power supply, which has specifications comparable to
Whelan's, is cheaper and has a longer warranty. I have operated it with
the Whelan lamps, but only in the garage.
Leland in Pleasanton
Installing the empenage fairing, which fits like an OJ glove.
PS: Buy Van's gascolator bracket (listed in the fireward-forward kit)
before drilling holes for mounting the gascolator to the firewall. This
bracket is not shown on the fuse drawings
Message 3
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| Subject: | RE:Aeroflash Strobe Unit |
--> RV9-List message posted by: Leland <Federigo@pacbell.net>
Mathew
A joule as used here refers to the energy supplied to the flashlamp. A
candela or candle is related to watts or joules/second of light actually
radiated by the lamp, and this relationship includes the color or
wavelength of the light and the "solid angle" over which it is radiated.
The "watts radiated" is roughly equal to the "joules radiated" divided
by the time over which it is radiated. Bottom line is that the
manufacturer will have to measure the radiated candles for a specific
light source, amount of supplied joules and pulse width.
The regulation that all aircraft must meet is FAR 23.1401. I suspect
that the Aeroflash units meet the candle requirement because they are
standard equipment on thousands of Cessnas. The Whelan units are
probably brighter.
Leland in Pleasanton
Re-plumbing some of the fuel line
"There ya have it. According to the Whelen site "These anti-collision
systems
must produce a minimum of 400 effective candela in aviation". Can
anyone
convert joules to candela??"
Message 4
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| Subject: | Re: RE:Aeroflash Strobe Unit |
--> RV9-List message posted by: Bob Kelly <mmpi@missionmedia.org>
Leland,
My problem with 23.1401 isn't so much the amount of light, because at least
comparitively, that can be measured with either a light meter (rotating
beacon) or flash meter. With the proper amount of light (and flashes or
rotations/min) the intent of the reg would be met. I wonder about the word
"approved." Has anyone has ever actually had a system approved made by
several manufacturers?
I would love to experiment with lighting, specifically LED's, but don't want
to waste time and money. Does anyone know what is meant by "approved?"
Can a DAR do this?
Bob Kelly
On 08-Mar-03, Leland wrote:
> --> RV9-List message posted by: Leland <Federigo@pacbell.net>
>
> Mathew
> A joule as used here refers to the energy supplied to the flashlamp. A
> candela or candle is related to watts or joules/second of light actually
> radiated by the lamp, and this relationship includes the color or
> wavelength of the light and the "solid angle" over which it is radiated.
> The "watts radiated" is roughly equal to the "joules radiated" divided
> by the time over which it is radiated. Bottom line is that the
> manufacturer will have to measure the radiated candles for a specific
> light source, amount of supplied joules and pulse width.
>
> The regulation that all aircraft must meet is FAR 23.1401. I suspect
> that the Aeroflash units meet the candle requirement because they are
> standard equipment on thousands of Cessnas. The Whelan units are
> probably brighter.
>
> Leland in Pleasanton
> Re-plumbing some of the fuel line
>
>
> "There ya have it. According to the Whelen site "These anti-collision
> systems
> must produce a minimum of 400 effective candela in aviation". Can
> anyone
> convert joules to candela??"
>
>
>
>
>
>
>
Regards
Message 5
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| Subject: | [ John Harris ] : New Email List Photo Share Available! |
--> RV9-List message posted by: Email List Photo Shares <pictures@matronics.com>
A new Email List Photo Share is available:
Poster: John Harris <johnharris@nc.rr.com>
Subject: Bracket for Wing Wiring Conduit
http://www.matronics.com/photoshare/johnharris@nc.rr.com.03.08.2003/index.html
o Main Photo Share Index
http://www.matronics.com/photoshare
o Submitting a Photo Share
If you wish to submit a Photo Share of your own, please include the
following information along with your email message and files:
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2) Your Full Name:
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4) One line Subject description:
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6) One-line Description of each photo or file:
Email the information above and your files and photos to:
pictures@matronics.com
Message 6
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--> RV9-List message posted by: DLOMHEIM@aol.com
Ned:
I have had great luck with the dimple dies from Brown tools right out on
Meridian by Will Rodgers. I did get the tank dies from Cleaveland tools and
they worked great for the fuel tanks...I sent them to my dad in Denver
(building a 7) and the male one finally broke...I hear I can get another one
but haven't tried yet. Mitchell stopped by my house today and we talked
RV-9s for while...his quick build should be coming in the next few
months...good for him. Happy building!
Doug Lomheim
793-8647
Twin Lakes Airport "Pilot's Haven"
90116 Flaps
Message 7
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| Subject: | Sorry about my last posting! |
--> RV9-List message posted by: DLOMHEIM@aol.com
Sorry guys...I meant to send my last posting to Ned direct...
Doug Lomheim
90116
From: DLOMHEIM@aol.com
Subject: (no subject)
Ned:
I have had great luck with the dimple dies from Brown tools right out on
Meridian by Will Rodgers. I did get the tank dies from Cleaveland tools and
they worked great for the fuel tanks...I sent them to my dad in Denver
(building a 7) and the male one finally broke...I hear I can get another one
but haven't tried yet. Mitchell stopped by my house today and we talked
RV-9s for while...his quick build should be coming in the next few
months...good for him. Happy building!
Doug Lomheim
793-8647
Twin Lakes Airport "Pilot's Haven"
90116 Flaps
Message 8
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| Subject: | Gifts from the French |
--> RV9-List message posted by: "Rob W M Shipley" <Rob@RobsGlass.com>
Whilst listing the gifts America has received from our valiant allies, the French
remember to add one more.
They gave us the ground to bury our dead from the First and Second world wars.
They would do well to remember the support they received from the United States
of America.
Do Not Archive
Rob
Rob W M Shipley
RV9A N919RV Fuselage.
Message 9
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| Subject: | 705 bulkhead alignment. |
--> RV9-List message posted by: "Rob W M Shipley" <Rob@RobsGlass.com>
Do others with their fuselages upside down and mostly assembled have a slight dip
(approx 3/16") at the 705 bulkhead if a straight edge is placed across it down
the longitudinal axis of the fuselage?
I hope this is clear ......... Mine appears to have everything fitting correctly
but this slight concavity in the bottom of the fuse at the 705 is quite obvious
and I'm wondering why it's there.
[The 705 is the rear spar attach / seat belt floor attach / roll bar bulkhead.]
Input welcomed.
Rob
Rob W M Shipley
RV9A N919RV Fuselage.
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