Today's Message Index:
----------------------
1. 02:44 AM - Re: What gear ratio are you running? (dave)
2. 02:47 AM - Bungee gear limit cables (was) Re: model 5 gear pictures (dave)
3. 02:49 AM - Re: Gear (dave)
4. 02:57 AM - Re: radio noise (dave)
5. 04:23 AM - Re: Kitfox-List Digest: 12 Msgs - 06/13/09 (Pat Kelly)
6. 06:49 AM - Re: Re: radio noise (paul wilson)
7. 07:24 AM - Re: Re: What gear ratio are you running? (Dwight Purdy)
8. 09:28 AM - Re: carburator (JetPilot)
9. 10:07 AM - Re: radio noise (dave)
10. 10:11 AM - Re: What gear ratio are you running? (dave)
11. 10:40 AM - Re: Bungee gear limit cables (was) Re: model 5 gear pictures (Lowell Fitt)
12. 12:19 PM - Re: Re: What gear ratio are you running? (Dwight Purdy)
13. 04:24 PM - Re: Re: radio noise (Noel)
14. 07:16 PM - Re: What gear ratio are you running? (Tom Jones)
15. 07:19 PM - Re: Re: radio noise (Weiss Richard)
Message 1
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| Subject: | Re: What gear ratio are you running? |
Leni,
You must be talking about me reco'ing those gears ?
My Kitfox IV 582 3 to 1 Gearbox 68" Warp Square tip with 21" tires cruises 90
to 92 mph 5800 to 6000 rpm . fuel flow 18 litres per hour Summer, 20 litres
a hour in winter
On Aerocet amphibs cruise is 85-86 mph.
I did try 2.62 gears once and lost at least 5 mph cruise if i recall. I actually
thought I might gain some speed and was surprized otherwise.
I think that you might find Skystar found the gain with going to 3 to 1 on a C
box from the 2.58 :1 B box was a huge improvement.
You never did say what prop and settings that you used when you made the gear change?
I only made my pitch finer.
Dave
--------
Rotax Dealer, Ontario Canada
http://www.cfisher.com/
Awesome *New Forum *
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Message 2
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| Subject: | Re: Bungee gear limit cables (was) Re: model 5 gear pictures |
I make my own bungees, and use safety cables.
Not sure how hard you would have to hit the ground to stretch bungees enough to
not only take cable to cables but to bend up the plane. We all make boo boos
at times but man that would be tough unless the bungees were old, weak and
not tight enough.
Dave
--------
Rotax Dealer, Ontario Canada
http://www.cfisher.com/
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Message 3
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Harry, Aiurdale makes a wider gear for the Avids 600 to 700$ I think.
Contact Brett -
Dave
--------
Rotax Dealer, Ontario Canada
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Message 4
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I have a Garmin 196 on left side of dash and Icom handheld on right side. I only
get RF issues when tuned around 119 area . I have to run the squelch at max
.
I have no transmit or receive issues. You will always get some RF leakage from
a GPS as they have a micro processor inside.
I see guys with troubles, poor wiring, bad grounds, poor connectors and cheap coax.
That is 95 % of radio issues right there.
Dave
--------
Rotax Dealer, Ontario Canada
http://www.cfisher.com/
Awesome *New Forum *
http://rotaxaircraft.com/forum/
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Message 5
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| Subject: | Re: Kitfox-List Digest: 12 Msgs - 06/13/09 |
please remove him from your mailing list
Message 6
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A few years ago on the Aeroelectric list there was a discussion as to
how far the GPS antenna should be from the radio antenna. My fabulous
memory indicates that 2' would eliminate any conflict. Of course for
hand held units is pretty easy to just move them apart. For panel
mounting hand helds be sure to keep them on separate ends of the
panel. Not every combination of different units will have conflict.
Example; in my truck I have a Lowrance powered remote GPS antenna
about 3" from my VHF antenna and have no conflict at all. I even have
a Serius antenna within 3" of both and all is well. In my truck
example the Lowrance head is mounted 2" from the VHF radio. Different
results for different units.
Paul
=====================
At 03:56 AM 6/14/2009, you wrote:
>
>I have a Garmin 196 on left side of dash and Icom handheld on right
>side. I only get RF issues when tuned around 119 area . I have to
>run the squelch at max .
>
>I have no transmit or receive issues. You will always get some RF
>leakage from a GPS as they have a micro processor inside.
>
>I see guys with troubles, poor wiring, bad grounds, poor connectors
>and cheap coax. That is 95 % of radio issues right there.
>
>
>Dave
>
>--------
>Rotax Dealer, Ontario Canada
>http://www.cfisher.com/
>Awesome *New Forum *
>http://rotaxaircraft.com/forum/
>Realtime Kitfox movies to separate the internet chatter from the truth
>http://www.youtube.com/profile_videos?user=kitfoxflyer
>
>
>Read this topic online here:
>
>http://forums.matronics.com/viewtopic.php?p=248015#248015
>
>
Message 7
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| Subject: | Re: What gear ratio are you running? |
That is impressive for a 503. I Just bought a two blade hub for my GSC 68
in. tapered tip blades. Was trying to get more take off rpm, verses the
three blade set up. I did but lost about 3mph at cruise.
You must not have the same exhaust as the model I,II, and III. Your
getting the full HP. I went from 85mph to 72 mph when I switched to a 503
from the 532.
Also saw about 2-3 mph difference between the tundra tires verses a
standard tire. Are you running the large tires?
Dwight Purdy
Model II
----- Original Message -----
From: "Tom Jones" <nahsikhs@elltel.net>
Sent: Saturday, June 13, 2009 10:44 AM
Subject: Kitfox-List: Re: What gear ratio are you running?
>
> Classic 4, 503 Rotax, 3:1, 72" Warp 2 blade square tip. Cruise at 5800
> RPM is 85 mph true AS. Climb is 750 ft/min at 1500' DA and 780 pounds
> gross.
>
> --------
> Tom Jones
> Classic IV
> 503 Rotax, 72 inch Two blade Warp
> Ellensburg, WA
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=247941#247941
>
>
>
Message 8
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The Aero Carb SUCKS. It is ultra sensitive to fuel pressure, and some guys are
having to run such a low fuel pressure to it, that they are getting Vapor Lock.
I would not fly with an Aero Carb if they paid me to do it.
Mike
--------
"NO FEAR" - If you have no fear you did not go as fast as you could
have !!!
Kolb MK-III Xtra, 912-S
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Message 9
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Rf will come from processor in GPS . I only get a conflict around the 118 to 120
area. after that no issues. My antenna is mounted on turtle deck for radio
and GPS antenna on dash.
Dave
--------
Rotax Dealer, Ontario Canada
http://www.cfisher.com/
Awesome *New Forum *
http://rotaxaircraft.com/forum/
Realtime Kitfox movies to separate the internet chatter from the truth
http://www.youtube.com/profile_videos?user=kitfoxflyer
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=248052#248052
Message 10
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| Subject: | Re: What gear ratio are you running? |
68" big for a 503 but5 in two blade it might be better
Do you have strut fairings ?
--------
Rotax Dealer, Ontario Canada
http://www.cfisher.com/
Awesome *New Forum *
http://rotaxaircraft.com/forum/
Realtime Kitfox movies to separate the internet chatter from the truth
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Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=248055#248055
Message 11
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| Subject: | Re: Bungee gear limit cables (was) Re: model 5 gear pictures |
A correction on my earlier post. The correct Mil Spec blungees are the type
I rather than the type III I noted. The type "I" has a double layer cotton
braid on the outer surface rather than a single layer on the type III. Also
keep in mind that their are dozens of configurations for bungee cord. If
you make your own be careful of the source and type.
Lowell
Message 12
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| Subject: | Re: What gear ratio are you running? |
Yes on the strut fairings.
Dwight Purdy
model II
----- Original Message -----
From: "dave" <dave@cfisher.com>
Sent: Sunday, June 14, 2009 1:10 PM
Subject: Kitfox-List: Re: What gear ratio are you running?
>
> 68" big for a 503 but5 in two blade it might be better
>
> Do you have strut fairings ?
>
> --------
> Rotax Dealer, Ontario Canada
> http://www.cfisher.com/
> Awesome *New Forum *
> http://rotaxaircraft.com/forum/
> Realtime Kitfox movies to separate the internet chatter from the truth
> http://www.youtube.com/profile_videos?user=kitfoxflyer
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=248055#248055
>
>
>
Message 13
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GPS units have a microprocessor a possible source of RFI (Radio Frequency
Interference) They also have LCD screens or TFT screens which can certainly
cause a lot of RFI noise at very close range.
Most of the airlines ask you to turn off for two reasons... one is some of
the planes are fly by wire and the other reason is they get a royalty every
time you use their sat phone. Generally speaking computers which are now ok
are a lot noisier than phones or radio receivers which they also don't want
to see.... the excuse there is that the IF frequency will interfere with
nav and com systems... they never mention that almost every flight
something minor goes wrong on the flight deck and they don't want you to
start a panic behind them.
Noel
-----Original Message-----
From: owner-kitfox-list-server@matronics.com
[mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Michel
Verheughe
Sent: 14 June 2009 04:04 AM
Subject: Kitfox-List: RE: radio noise
> From: 369PL [n3pupnc@aol.com]
> Found out my GPS was the culprit. A Garmin 195. My radio is a Icom IC-A22.
And this is why we are asked to switch off all electronic instruments as we
board an airliner. The GPS is only a receiver and shouldn't produce any
radio frequency interferences. But any receiver with a malfunction can work
as a sender.
By the way, I was wondering: Does your GPS have a Bluetooth port? Perhaps
that's the problem. If so, can you disable it?
Cheers,
Michel Verheughe
Norway
Kitfox 3 - Jabiru 2200
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Message 14
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| Subject: | Re: What gear ratio are you running? |
> You must not have the same exhaust as the model I,II, and III. Your
> getting the full HP. I went from 85mph to 72 mph when I switched to a 503
> from the 532.
> Also saw about 2-3 mph difference between the tundra tires verses a
> standard tire. Are you running the large tires?
>
> Dwight Purdy
> Model II
Dwight, the exhaust elbow on my 503 has not been cut and shortened like I see on
the 582's. The builder's manual says it will all fit inside the cowl. Mine
does not. I had to cut a hole for the exhaust elbow to stick out.
The prop is pitched for 6200 static and it goes to 6250 at best rate of climb which
is 60 mph indicated. Wing struts and landing gear are faired. Tires are
18 X 8.50 X 8 Nanco.
--------
Tom Jones
Classic IV
503 Rotax, 72 inch Two blade Warp
Ellensburg, WA
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Message 15
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| Subject: | Re: RE: radio noise |
On Jun 14, 2009, at 9:53 PM, Noel wrote:
> they never mention that almost every flight
> something minor goes wrong on the flight deck and they don't want
> you to
> start a panic behind them.
Noel,
Everything you said was alright until this point, but really, I flew
RJ's (lots of electronics - EFIS, MFD, EICAS, etc.) for years and I
had very few flights where anything went wrong. I'm not sure where
you got the stats from, but they seem skewed. BTW, we didn't have Sat
phones so royalties weren't an issue for us, I think you may be right
about that one.
Rick Weiss
N39RW Series V Speedster, 912ULS
SkyStar S/N 1
Port Orange, FL
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