REFLECTOR: Reflector Digest, Vol 30, Issue 39 - Grand Rapids EFIS

Chuck Jensen cjensen at dts9000.com
Sat Nov 18 06:17:11 CST 2006


Dave,
It was posted on GRT_EFIS at yahoogroups.com that somebody on the list
knows someboday that had a first cousin whose brother was just hired by
GRT to--get this---actually write manuals for the GRT!!!!  Yes, it's
true--who'd of thunk it---a manual.  I have dual GRTs (two are not
necessary, but nice)---a godzillion features, but no manual.  That horse
is gettin' real tired of pushing the cart, but hey, better to have a
good product and a lousy manual than the other way around.
 
Chuck Jensen 
  
-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of davedent at comcast.net
Sent: Friday, November 17, 2006 10:30 PM
To: Velocity Aircraft Owners and Builders list; reflector at tvbf.org
Cc: Mark Riley
Subject: Re: REFLECTOR: Reflector Digest, Vol 30,Issue 39 - Grand Rapids
EFIS


I've been flying my GRT for a good 200 hrs now and I have nothing but
praise for it.  Long cross country flights have been great even with a
single screen.  I put primary engine info on the PFD as a data box entry
and of course can switch back and forth to the engine page but don't
need too.  If a problem comes up it would automatically let you know if
you weren't looking at that screen at the time.  I think each time I
flew it I learned something new to do with it.  Or something I didn't
see on the last flight.  When you first fly with it you seem to be on
sensor overload but you get over it. 
 
I have the engine monitor, EIS, mounted on my canard and fed into the
EFIS. Keeping less on the panel to take up valuable space.  I also have
a JPI for my engine but the EIS I think is better and more information,
of course.
 
The AHRS also holds the last 30 minutes in VMem and this is good for
failure analysis. Most systems don't have this. You can also record any
part of a flight on a memory stick. I did use this a lot when trying to
make good approaches using the HIS boxes.  I also mounted the AHRS on
the canard. 
 
 
The one thing they do need more then anything would be a good
illustrated manual.  I don't like manuals that only have words. 
 
I have also flown a West to East, CA-FL, cross country with the Blue
Mountain system and now I'm convince that the GRT is much better to fly
and easier to install and operate.  All I can see that the BM has over
the GRT is a bigger screen that takes up a great deal of room and a
better manual.  Also found that the BM relise to much on GPS input. 
 
Just some of my thoughts on the subject. 
 
 
 
-------------- Original message -------------- 
From: "Mark Riley" <anriley at comcast.net> 

> For those interested in the GRT EFIS system - I looked at the system
at 
> Oshkosh and found it to be a terrific value. You can get a dual AHRS,
3 
> MFD's that switch between engine PFD and nav screens, weather and
highway in 
> the sky for $13.5K. The only concern I had was the rather small screen
size 
> and so so resolution. 
> 
> Greg Toman of GRT advised me today that they are coming out with a
slightly 
> larger and substantially higher resolution screen. For those who
purchase or 
> already have the system with the original screen, they will credit you
full 
> price and let you trade up to the new screens. They plan to have them
on 
> display at their booth at Sun 'n Fun and in production 3-4 months 
> thereafter. He advises to just leave about an inch of space in your
panel 
> arou! nd the original units if you plan to upgrade later. 
> 
> Something to think about. 
> 
> -----Original Message----- 
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org]
On 
> Behalf Of reflector-request at tvbf.org 
> Sent: Friday, November 17, 2006 12:03 PM 
> To: reflector at tvbf.org 
> Subject: Reflector Digest, Vol 30, Issue 39 
> 
> Send Reflector mailing list submissions to 
> reflector at tvbf.org 
> 
> To subscribe or unsubscribe via the World Wide Web, visit 
> http://www.tvbf.org/mailman/listinfo/reflector 
> or, via email, send a message with subject or body 'help' to 
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> 
> When replying, please edit your Subject line so it is more specific 
> than "Re: Contents of Reflector digest..." 
> 
> 
> Tod! ay's To pics: 
> 
> 1. Re: Franklin Mag (Laurence Coen) 
> 2. Re: Franklin Mag (John Dibble) 
> 3. Re: Franklin Mag (Ron Brown) 
> 4. Re: Franklin Mag (Brian Michalk) 
> 5. Re: Franklin Mag (John Dibble) 
> 6. Upholstery Attaching (flykb at verizon.net) 
> 7. Re: Franklin Mag (John Dibble) 
> 8. Re: Jack Stands (Chuck Jensen) 
> 9. Re: Upholstery Attaching (Al Gietzen) 
> 10. Re: Upholstery Attaching (David Scharfenberg) 
> 
> 
> ----------------------------------------------------------------------

> 
> Message: 1 
> Date: Thu, 16 Nov 2006 17:36:52 -0600 
> From: "Laurence Coen" 
> Subject: Re: REFLECTOR: Franklin Mag 
> To: "Velocity Aircraft Owners and Builders list" 
> Message-ID: 
> Content-Type: text/plain; format=flowed; charset="Windows-1252"; 
> reply-typ! e=origi nal 
> 
> John, 
> 
> The ultimate answer to all your questions are contained in the Unison
F-1100 
> 
> Master service manual which they will be happy to ship to you for only

> $75.00 US www.unisonindustries.com . 
> 
> Having already removed the mag you have made putting it back on more 
> difficult. My procedure is to bring #1 cylinder up on compression,
then the 
> 
> impulse clicks, move the prop backward past TDC, then forward again to
TDC. 
> Then remove the mag. My past experience is with Bendix mags and I
haven't 
> disassembled my Slicks yet. Those locking devices make life a little
easier 
> 
> but are not essential. I have had the mags off the Franklin and back
on 
> just being careful not to move the prop or the gear on the mag. You
will 
> still need a mag timing device to set and synchronize the mags. 
> 
> Larry Coen 
> N136LC 
>! ; 50 pl us hours of fun 
> 
> ----- Original Message ----- 
> From: "John Dibble" 
> To: "Velocity Aircraft Owners and Builders list" 
> Sent: Tuesday, November 14, 2006 7:21 PM 
> Subject: Re: REFLECTOR: Franklin Mag 
> 
> 
> > Guilty as charged. I have the slick mag off. The A/P I work with
does 
> > not have the 
> > tool to hold the mag while it is apart, but he says if I keep the
gear 
> > from moving I 
> > don't need the tool. Anyone agree? 
> > What is the gap? 0.018? 
> > How do I make sure it is lined up right for remounting to the
engine? 
> > 
> > Thanks, 
> > John 
> > 
> > Laurence Coen wrote: 
> > 
> >> John, 
> >> 
> >> Normal maintenance on a magneto at annual is to lube the cam and
check 
> >> the 
> >&g! t; poin t gap. If this was not done, it's time. 
> >> 
> >> Larry Coen 
> >> N136LC 
> >> SE-RG Franklin/IVO 
> >> 
> >> ----- Original Message ----- 
> >> From: "John Dibble" 
> >> To: "Velocity Aircraft Owners and Builders list" 
> >> Sent: Monday, November 13, 2006 11:16 AM 
> >> Subject: REFLECTOR: Franklin Mag 
> >> 
> >> > In the past I could start with just one mag and turn on the EI
after. 
> >> > Now it won't start on the mag alone. I have 500 hours and I think
it 
> >> > may be time to replace the mag. What are others doing? Rebuild? 
> >> > Replace? 
> >> > Thanks, 
> >> > John 
> >> > 
> >> > _______________________________________________ 
> >> > To change your ema! il addr ess, visit 
> >> > http://www.tvbf.org/mailman/listinfo/reflector 
> >> > 
> >> > Visit the gallery! www.tvbf.org/gallery 
> >> > user:pw = tvbf:jamaicangoose 
> >> > Check new archives: www.tvbf.org/pipermail 
> >> > Check old archives:
http://www.tvbf.org/archives/velocity/maillist.html 
> >> > 
> >> 
> >> _______________________________________________ 
> >> To change your email address, visit 
> >> http://www.tvbf.org/mailman/listinfo/reflector 
> >> 
> >> Visit the gallery! www.tvbf.org/gallery 
> >> user:pw = tvbf:jamaicangoose 
> >> Check new archives: www.tvbf.org/pipermail 
> >> Check old archives:
http://www.tvbf.org/archives/velocity/maillist.html 
> > 
> > _______________________________________________ 
> > To change your emai! l addre ss, visit 
> > http://www.tvbf.org/mailman/listinfo/reflector 
> > 
> > Visit the gallery! www.tvbf.org/gallery 
> > user:pw = tvbf:jamaicangoose 
> > Check new archives: www.tvbf.org/pipermail 
> > Check old archives:
http://www.tvbf.org/archives/velocity/maillist.html 
> > 
> 
> 
> 
> ------------------------------ 
> 
> Message: 2 
> Date: Thu, 16 Nov 2006 17:37:04 -0600 
> From: John Dibble 
> Subject: Re: REFLECTOR: Franklin Mag 
> To: Velocity Aircraft Owners and Builders list 
> Message-ID: <455CF620.238FCCEF at bluefrog.com> 
> Content-Type: text/plain; charset=us-ascii 
> 
> I'm trying to set the timing on the mag. When turning the prop by
hand, 
> does the mag 
> snap at the advance timing mark, or at another spot? 
> 
> John 
> 
> 
>! ; 
& gt; ------------------------------ 
> 
> Message: 3 
> Date: Thu, 16 Nov 2006 19:17:29 -0500 
> From: "Ron Brown" 
> Subject: Re: REFLECTOR: Franklin Mag 
> To: "Velocity Aircraft Owners and Builders list" 
> Message-ID: <00e401c709dd$c4be0b80$e618b64c at romott> 
> Content-Type: text/plain; format=flowed; charset="iso-8859-1"; 
> reply-type=original 
> 
> Hi John, 
> 
> On a Lycoming, the impulse coupling snaps at Top Dead Center. 
> 
> The timing should be set on the advance mark, after the mag snaps. IE,
turn 
> the engine over until it snaps on Cylinder number 1, then turn the
engine 
> backwards about 45 degrees. Then go forward again and set the timing
at the 
> advanced mark - on my 200 hp angle valve Lycoming IO 360 this is 25
degrees 
> Before Top Dead Center (or 22 according to a service bulletin or 20
degre! es 
> for higher compression pistons). Sorry, I don't know what the timing
for a 
> Franklin is supposed to be. 
> 
> You'll need a buzz box or a sensitive digital ohmmeter to sense the
opening 
> of the points. The resistance will change from about 0.5 ohms to about
0.7 
> ohms when the points open. (and don't let the mag snap while the
ohmmeter is 
> connected - it may zap the ohmmeter). 
> 
> Oh and a bit of explanation - the spark during starting needs to be
retarded 
> or else the engine will kick back (some times so severe that it can
break 
> the starter or starter gear). So the impulse coupling delays the spark

> until TDC while the engine is being turned slowly by the starter. Then
when 
> the impulse coupling snaps (releases), it causes the magneto to spin
faster 
> thereby 
> generating a hotter spark for cranking. 
> 
> That is one thing to look for when the engine doe! sn't se em to want
to 
> crank - if you don't have the impulse coupling snapping, the spark is
weak 
> and the engine will be difficult to start. 
> 
> Ronnie 
> 
> ----- Original Message ----- 
> From: "John Dibble" 
> To: "Velocity Aircraft Owners and Builders list" 
> Sent: Thursday, November 16, 2006 6:37 PM 
> Subject: Re: REFLECTOR: Franklin Mag 
> 
> 
> > I'm trying to set the timing on the mag. When turning the prop by
hand, 
> > does the mag 
> > snap at the advance timing mark, or at another spot? 
> > 
> > John 
> > 
> > _______________________________________________ 
> > To change your email address, visit 
> > http://www.tvbf.org/mailman/listinfo/reflector 
> > 
> > Visit the gallery! www.tvbf.org/gallery 
> > user:pw = tvbf:jamaicangoose 
> &! gt; Che ck new archives: www.tvbf.org/pipermail 
> > Check old archives:
http://www.tvbf.org/archives/velocity/maillist.html 
> > 
> 
> 
> 
> ------------------------------ 
> 
> Message: 4 
> Date: Thu, 16 Nov 2006 19:19:32 -0600 
> From: Brian Michalk 
> Subject: Re: REFLECTOR: Franklin Mag 
> To: Velocity Aircraft Owners and Builders list 
> Message-ID: <455D0E24.2070306 at awpi.com> 
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed 
> 
> I seem to recall it's slightly ATDC. I measured mine. I'll go check to

> see if the layout fluid still has this scratched in. 
> 
> Nope, just the mark, no degrees. I pulled the prop through. It looks 
> very close to top center. 
> 
> John Dibble wrote: 
> > I'm trying to set the timing on the mag. When turning the prop by
hand, 
> does the! mag > > snap at the advance timing mark, or at another spot?

> > 
> > John 
> > 
> > _______________________________________________ 
> > To change your email address, visit 
> http://www.tvbf.org/mailman/listinfo/reflector 
> > 
> > Visit the gallery! www.tvbf.org/gallery 
> > user:pw = tvbf:jamaicangoose 
> > Check new archives: www.tvbf.org/pipermail 
> > Check old archives:
http://www.tvbf.org/archives/velocity/maillist.html 
> > 
> 
> 
> 
> ------------------------------ 
> 
> Message: 5 
> Date: Thu, 16 Nov 2006 19:26:45 -0600 
> From: John Dibble 
> Subject: Re: REFLECTOR: Franklin Mag 
> To: Velocity Aircraft Owners and Builders list 
> Message-ID: <455D0FD5.F3817B53 at bluefrog.com> 
> Content-Type: text/plain; charset=us-ascii 
> 
! > Ro nnie, 
> 
> Thanks. That helps a lot. I had used a flashlight to set the timing.
The 
> light dims 
> a little when the points open. But it just isn't running right on the
mag. 
> An 
> observer commented that it sounded like it was too advanced. The mag
was 
> snapping at 
> the advance mark, and from what you just wrote, that confirms that it
is too 
> advanced. Also at 1200 rpm it runs rough on just the mag. At 1500 rpm,

> when I switch 
> off the mag the rpms drop as expected. When I switch off the EI, the
rpm 
> stays about 
> the same as when both are on. I think this is also indicating that it
is 
> too 
> advanced. 
> Tomorrow I am going to make some more adjustments. I can tell from how
it 
> runs when 
> it's right, I just wanted to confirm that it is too advanced. 
> 
> John 
> 
> Ron Brown wrote: 
> 
> > Hi John, 
! > &g t; 
> > On a Lycoming, the impulse coupling snaps at Top Dead Center. 
> > 
> > The timing should be set on the advance mark, after the mag snaps.
IE, 
> turn 
> > the engine over until it snaps on Cylinder number 1, then turn the
engine 
> > backwards about 45 degrees. Then go forward again and set the timing
at 
> the 
> > advanced mark - on my 200 hp angle valve Lycoming IO 360 this is 25 
> degrees 
> > Before Top Dead Center (or 22 according to a service bulletin or 20 
> degrees 
> > for higher compression pistons). Sorry, I don't know what the timing
for 
> a 
> > Franklin is supposed to be. 
> > 
> > You'll need a buzz box or a sensitive digital ohmmeter to sense the 
> opening 
> > of the points. The resistance will change from about 0.5 ohms to
about 
> 0.7 
> > ohms when the points open. (and don't let the m! ag snap while the
ohmmeter 
> is 
> > connected - it may zap the ohmmeter). 
> > 
> > Oh and a bit of explanation - the spark during starting needs to be 
> retarded 
> > or else the engine will kick back (some times so severe that it can
break 
> > the starter or starter gear). So the impulse coupling delays the
spark 
> > until TDC while the engine is being turned slowly by the starter.
Then 
> when 
> > the impulse coupling snaps (releases), it causes the magneto to spin

> faster 
> > thereby 
> > generating a hotter spark for cranking. 
> > 
> > That is one thing to look for when the engine doesn't seem to want
to 
> > crank - if you don't have the impulse coupling snapping, the spark
is weak 
> > and the engine will be difficult to start. 
> > 
> > Ronnie 
> > 
> > ----- Original Message ----- 
>! > F rom: "John Dibble" 
> > To: "Velocity Aircraft Owners and Builders list" 
> > Sent: Thursday, November 16, 2006 6:37 PM 
> > Subject: Re: REFLECTOR: Franklin Mag 
> > 
> > > I'm trying to set the timing on the mag. When turning the prop by
hand, 
> > > does the mag 
> > > snap at the advance timing mark, or at another spot? 
> > > 
> > > John 
> > > 
> > > _______________________________________________ 
> > > To change your email address, visit 
> > > http://www.tvbf.org/mailman/listinfo/reflector 
> > > 
> > > Visit the gallery! www.tvbf.org/gallery 
> > > user:pw = tvbf:jamaicangoose 
> > > Check new archives: www.tvbf.org/pipermail 
> > > Check old archives:
http://www.tvbf.org/archives/velocity/maillist.html 
> > >! 
&g t; > 
> > _______________________________________________ 
> > To change your email address, visit 
> http://www.tvbf.org/mailman/listinfo/reflector 
> > 
> > Visit the gallery! www.tvbf.org/gallery 
> > user:pw = tvbf:jamaicangoose 
> > Check new archives: www.tvbf.org/pipermail 
> > Check old archives:
http://www.tvbf.org/archives/velocity/maillist.html 
> 
> 
> 
> ------------------------------ 
> 
> Message: 6 
> Date: Thu, 16 Nov 2006 19:54:15 -0600 (CST) 
> From: 
> Subject: REFLECTOR: Upholstery Attaching 
> To: Velocity Aircraft Owners and Builders list 
> Message-ID: 
> <1039391.5082161163728456023.JavaMail.root at vms073.mailsrvcs.net> 
> Content-Type: text/plain; charset=ISO-8859-1 
> 
> Hi All, 
> What are folks using (and have found to work well) to attach! ing uph
olstery? 
> 
> Thanks, 
> Kevin Baker 
> 
> 
> ------------------------------ 
> 
> Message: 7 
> Date: Thu, 16 Nov 2006 20:54:34 -0600 
> From: John Dibble 
> Subject: Re: REFLECTOR: Franklin Mag 
> To: Velocity Aircraft Owners and Builders list 
> Message-ID: <455D246A.59A2EB0B at bluefrog.com> 
> Content-Type: text/plain; charset=us-ascii 
> 
> Thanks Brian. I'm sure I have it too advanced. 
> 
> John 
> 
> Brian Michalk wrote: 
> 
> > I seem to recall it's slightly ATDC. I measured mine. I'll go check
to 
> > see if the layout fluid still has this scratched in. 
> > 
> > Nope, just the mark, no degrees. I pulled the prop through. It looks

> > very close to top center. 
> > 
> > John Dibble wrote: 
> > > I'm trying to set the t! iming o n the mag. When turning the prop
by hand, 
> does the mag 
> > > snap at the advance timing mark, or at another spot? 
> > > 
> > > John 
> > > 
> > > _______________________________________________ 
> > > To change your email address, visit 
> http://www.tvbf.org/mailman/listinfo/reflector 
> > > 
> > > Visit the gallery! www.tvbf.org/gallery 
> > > user:pw = tvbf:jamaicangoose 
> > > Check new archives: www.tvbf.org/pipermail 
> > > Check old archives:
http://www.tvbf.org/archives/velocity/maillist.html 
> > > 
> > 
> > _______________________________________________ 
> > To change your email address, visit 
> http://www.tvbf.org/mailman/listinfo/reflector 
> > 
> > Visit the gallery! www.tvbf.org/gallery 
> > user:pw = tvbf:jamaicangoose 
> > Check ne! w archi ves: www.tvbf.org/pipermail 
> > Check old archives:
http://www.tvbf.org/archives/velocity/maillist.html 
> 
> 
> 
> ------------------------------ 
> 
> Message: 8 
> Date: Fri, 17 Nov 2006 07:18:09 -0500 
> From: "Chuck Jensen" 
> Subject: Re: REFLECTOR: Jack Stands 
> To: "Velocity Aircraft Owners and Builders list" 
> Message-ID: <8984A39879F2F5418251CBEEC9C689B3286EE1 at lucky.dts.local> 
> Content-Type: text/plain; charset="us-ascii" 
> 
> Dave,Chuck/Kent 
> 
> Thanks for the ideas for stands. It really helps out us guys that
don't 
> know jack. 
> 
> Chuck Jensen 
> Do Not Archive 
> 
> 
> -----Original Message----- 
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org]
On 
> Behalf Of Chuck Jensen 
> Sent: Tuesday, November 14, 2006 8:40 AM 
! > To : Velocity Aircraft Owners and Builders list 
> Subject: REFLECTOR: Jack Stands 
> 
> 
> What are the best ideas out there for good jack stands for the Velo. 
> Desired characteristics are light as a feather, will lift small 
> buildings and solid as the Rock of Gibraltar...but I'm not 
> picking--don't care what color!! I have some homemade ones from 4" 
> square steel tubing for the uprights welded onto steel tire rims for a

> base. Real solid, but the hernia surgeries are getting expensive. 
> Suggestions; brand or design? 
> 
> Chuck Jensen 
> 
> _______________________________________________ 
> To change your email address, visit 
> http://www.tvbf.org/mailman/listinfo/reflector 
> 
> Visit the gallery! www.tvbf.org/gallery 
> user:pw = tvbf:jamaicangoose 
> Check new archives: www.tvbf.org/pipermail 
> Check old archives: http://www.tvbf.org/a! rchives
/velocity/maillist.html 
> 
> 
> ------------------------------ 
> 
> Message: 9 
> Date: Fri, 17 Nov 2006 06:58:51 -0800 
> From: "Al Gietzen" 
> Subject: Re: REFLECTOR: Upholstery Attaching 
> To: "'Velocity Aircraft Owners and Builders list'" 
> 
> Message-ID: <000601c70a58$e4e12a70$6400a8c0 at BigAl> 
> Content-Type: text/plain; charset="us-ascii" 
> 
> 
> Hi All, 
> What are folks using (and have found to work well) to attaching
upholstery? 
> 
> Kevin; 
> 
> I used V&S 1081 - Spray Trim Adhesive. Got it from the local
upholstery 
> fabrics store. 
> Make sure any vinyl you use has a fabric backing. 
> 
> Al 
> 
> 
> 
> ------------------------------ 
> 
> Message: 10 
> Date: Fri, 17 Nov 2006 10:59:03 -0600 
> From: David Scharfenberg! 
> Subject: Re: REFLECTOR: Upholstery Attaching 
> To: Velocity Aircraft Owners and Builders list 
> Message-ID: <44379c84692cf37e3dc862680abc1aa9 at winco.net> 
> Content-Type: text/plain; charset=US-ASCII; format=flowed 
> 
> The best stuff is 3M top and trim adhesive. I bought mine from an 
> aircraft interior shop, since it only seems to come in 5 and 55 gal. 
> sizes. They were nice enough to sell me a gallon, which I put in epoxy

> lined paint cans from Lowes. 
> 
> Dave Scharfenberg 
> 
> 
> 
> On Nov 16, 2006, at 7:54 PM, flykb at verizon.net wrote: 
> 
> > Hi All, 
> > What are folks using (and have found to work well) to attaching 
> > upholstery? 
> > 
> > Thanks, 
> > Kevin Baker 
> > _______________________________________________ 
> > To change your email address, v! isit > >
http://www.tvbf.org/mailman/listinfo/reflector 
> > 
> > Visit the gallery! www.tvbf.org/gallery 
> > user:pw = tvbf:jamaicangoose 
> > Check new archives: www.tvbf.org/pipermail 
> > Check old archives:
http://www.tvbf.org/archives/velocity/maillist.html 
> > 
> 
> 
> 
> ------------------------------ 
> 
> _______________________________________________ 
> Visit the gallery! tvbf:jamaicangoose 
> 
> End of Reflector Digest, Vol 30, Issue 39 
> ***************************************** 
> 
> 
> _______________________________________________ 
> To change your email address, visit 
> http://www.tvbf.org/mailman/listinfo/reflector 
> 
> Visit the gallery! www.tvbf.org/gallery 
> user:pw = tvbf:jamaicangoose 
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> Check old archives: http://www.tvbf.or! g/archi
ves/velocity/maillist.html 
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