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Search: Posts Made By: Finley Atherton
Forum: RV General Discussion/News 09-18-2020, 02:07 PM
Replies: 20
Views: 1,479
Posted By Finley Atherton
Varies but for a comfortable/economical cruise...

Varies but for a comfortable/economical cruise (around 60 to 65% power) you would expect a 9A with an 0-320 leaned out between 8,000 to 10,000 feet to TAS around 150 kt and burn about 6.5 to 7.5...
Forum: RV Building Tips/Techniques 09-04-2020, 11:40 PM
Replies: 56
Views: 20,515
Posted By Finley Atherton
The rudder lock is made from 1/4” steel and the...

The rudder lock is made from 1/4” steel and the pin from 0.063” steel hinge pin. The aluminium plate is to prevent the legs spreading under load. I have another lock for the other side to spread the...
Forum: Propellers 08-04-2020, 09:28 PM
Replies: 8
Views: 936
Posted By Finley Atherton
Same here. I bought a Hartzell governor instead...

Same here. I bought a Hartzell governor instead of overhauling the MT and discovered it would not govern at low rpm. Decided to overhaul the MT and reinstalled it.
Anyone (in Australia) want to buy...
Forum: Fiberglass 07-25-2020, 12:46 AM
Replies: 19
Views: 2,351
Posted By Finley Atherton
Use micro or flox to transition the edges, force...

Use micro or flox to transition the edges, force the glass to conform to the shape as best you can then quickly place a sheet of Glad Wrap (I think you call it Saran Wrap in the USA) over the laid up...
Forum: Autopilots 06-25-2020, 11:16 PM
Replies: 1
Views: 433
Posted By Finley Atherton
GTN/Trio Propilot Issue

Two of us in Australia with GTN 650s and Propilots have the same issue where the Propilot loses GPS input in missed approaches ending with “Vectors” on the GTN Flight Plan page. Using Inverell as an...
Forum: RV General Discussion/News 06-09-2020, 08:55 PM
Replies: 201
Views: 32,435
Posted By Finley Atherton
I have watched the video (referenced above) at...

I have watched the video (referenced above) at .25 speed with a marker on the screen aligned with the hole in the nose pant and can't see the behaviour you describe. Possibly there is a very very...
Forum: Autopilots 05-19-2020, 02:27 PM
Replies: 9
Views: 559
Posted By Finley Atherton
In post #4 I said the Propilot cannot be...

In post #4 I said the Propilot cannot be controlled by the Skyview. However with the GTN in OBS mode the Skyview CRS bug will command the Propilot presumably via the ARINC module to the GTN then to...
Forum: Autopilots 05-17-2020, 06:54 PM
Replies: 9
Views: 559
Posted By Finley Atherton
GTN 650 to the Propilot. From memory in my...

GTN 650 to the Propilot. From memory in my installation the ARINC from the GTN goes to the terminals of the SV ARINC module and continue on to the Propilot so the ARINC module is basically bypassed...
Forum: Autopilots 05-17-2020, 05:34 PM
Replies: 9
Views: 559
Posted By Finley Atherton
Not quite sure what you are asking. I have an IFR...

Not quite sure what you are asking. I have an IFR GPS, Skyview, SV ARINC module and Propilot and all ?plays well together?. In my arrangement the Propilot is independent of the Skyview and the SV...
Forum: RV Ongoing Maintenance Issues 05-16-2020, 09:15 PM
Replies: 73
Views: 14,443
Posted By Finley Atherton
Here is my closed loop dehumidifier made from 90...

Here is my closed loop dehumidifier made from 90 mm storm water pipe and fittings.

https://i.postimg.cc/5NZwJshD/525-DA2-D8-4595-4-C13-8-DEA-2-E1060873534.jpg

There is an empty chamber at each end...
Forum: RV-9/9A 05-10-2020, 01:18 AM
Replies: 16
Views: 1,821
Posted By Finley Atherton
Touching down at minimum speed is good but if you...

Touching down at minimum speed is good but if you are approaching at 55 kt then just about any decent flare should have the mains touching before the nose wheel. Then it is just a matter of keeping...
Forum: COMM 05-09-2020, 03:58 PM
Replies: 49
Views: 3,995
Posted By Finley Atherton
Scott, I had a weird one involving the PTT. The...

Scott,
I had a weird one involving the PTT.
The PTT switch and autopilot (Trio) servo disconnect switch are on the stick and every time I transmitted the autopilot servos would disconnect....
Forum: RV-9/9A 04-28-2020, 06:49 PM
Replies: 14
Views: 1,451
Posted By Finley Atherton
9A with a Hartzell and an 0 320 with one mag,...

9A with a Hartzell and an 0 320 with one mag, Lightspeed ignition, 40 amp main alternator, Plane Power backup alternator and EarthX battery.

Provided I keep below Van’s max take off and baggage...
Forum: RV General Discussion/News 04-26-2020, 02:34 PM
Replies: 201
Views: 32,435
Posted By Finley Atherton
Soft sand, high speed - the nose cone...

Soft sand, high speed - the nose cone fairing/bottom of the strut dug in bending the strut back till it exceeded it’s approximately 1g yield strength???

Worth reading this old post...
Forum: RV General Discussion/News 04-17-2020, 02:48 PM
Replies: 201
Views: 32,435
Posted By Finley Atherton
The excessive speed when it flipped is likely to...

The excessive speed when it flipped is likely to have contributed to the serious injuries. The aircraft flipped quickly and would have banged down hard putting a high load on the seat belts and...
Forum: RV General Discussion/News 04-17-2020, 05:16 AM
Replies: 201
Views: 32,435
Posted By Finley Atherton
The landing was fast and heavy. The ATSB report...

The landing was fast and heavy. The ATSB report said at first touch down airspeed was 75 kt with a 2 kt tail wind and 700 ft per minute descent.
Viewed at slow speed the nose wheel/strut initially...
Forum: RV Ongoing Maintenance Issues 03-28-2020, 01:35 PM
Replies: 13
Views: 1,225
Posted By Finley Atherton
Confirm the seat was replaced. I had flooding...

Confirm the seat was replaced. I had flooding issues. The seat looked perfect, tried two new needles on the bench and both flooded. Problem fixed with a new seat.

Fin
9A
Forum: RV General Discussion/News 03-27-2020, 02:51 PM
Replies: 10
Views: 1,126
Posted By Finley Atherton
I used the shank of a drill bit. Fin

I used the shank of a drill bit.

Fin
Forum: RV General Discussion/News 02-10-2020, 11:56 AM
Replies: 9
Views: 1,805
Posted By Finley Atherton
Also depends on the brand of prop governor. On my...

Also depends on the brand of prop governor.
On my O 320 with a windmilling Hartzell prop at idle cutoff the MT governor still works whereas a Hartzell governor does not (insufficient rpm for the...
Forum: RV-9/9A 02-02-2020, 03:17 PM
Replies: 58
Views: 11,006
Posted By Finley Atherton
A 360 and a Whirl Wind composite constant speed...

A 360 and a Whirl Wind composite constant speed prop.

Fin 9A
Forum: COMM 01-22-2020, 12:48 AM
Replies: 18
Views: 1,775
Posted By Finley Atherton
I used a few switches and the AMX-2A 10 channel...

I used a few switches and the AMX-2A 10 channel audio mixer (http://store.makerplane.org/10-channel-audio-mixer-mono-amx-2a/) referenced in Vern’s post #4. Installed 6 years ago and it has worked...
Forum: RV-9/9A 01-09-2020, 04:22 PM
Replies: 26
Views: 6,023
Posted By Finley Atherton
I often fly in the monthly competition in our...

I often fly in the monthly competition in our local Aeroclub 172. I actually enjoy the short flights as the 172 sort of feels like a comfortable old armchair.

One issue is that I am always chasing...
Forum: RV-7/7A 01-05-2020, 02:00 PM
Replies: 7
Views: 1,693
Posted By Finley Atherton
I used Tygon tube...

I used Tygon tube (https://www.aircraftspruce.com/catalog/appages/tygon.php) and Black Polyethylene Fittings (https://www.aircraftspruce.com/catalog/hapages/hosetubefit.php?clickkey=3011813)

Tygon...
Forum: RV-6/6A 01-01-2020, 11:52 PM
Replies: 2
Views: 757
Posted By Finley Atherton
See...

See

www.vansairforce.com/community/showthread.php?t=163819

I solved the same issue in my 9A as per my post #2.

Fin
Forum: Close Calls / Lessons Learned 12-27-2019, 01:41 PM
Replies: 45
Views: 14,644
Posted By Finley Atherton
I just installed new pads and the new thicker...

I just installed new pads and the new thicker discs two days ago. Bedded them in with a couple of hard, higher speed runs. Initial impressions are little or no brake fade after hard braking.

I used...
Forum: RV-9/9A 12-26-2019, 03:40 PM
Replies: 23
Views: 2,442
Posted By Finley Atherton
On the outboard side of the end rib so it is...

On the outboard side of the end rib so it is easily accessible when the wing tip is removed.

Fin
9A
Forum: RV General Discussion/News 12-23-2019, 11:05 AM
Replies: 53
Views: 9,150
Posted By Finley Atherton
I have Specsavers completely in the ear aids...

I have Specsavers completely in the ear aids which are the same as the Signia Silk NX AIDS (https://www.signia-hearing.com.au/silknx/). I can wear my headset over the aids and this works well...
Forum: RV-9/9A 12-22-2019, 02:22 PM
Replies: 37
Views: 6,715
Posted By Finley Atherton
9A, 0 320, 9:1 pistons one EI and Slick mag,...

9A, 0 320, 9:1 pistons one EI and Slick mag, Hartzell CS prop and carb.
8,000 to 10,000 feet, full throttle, 2,270 rpm and leaned manually to rough then in till just smooth:
Typically 150 to 153 kt...
Forum: RV-7/7A 11-03-2019, 07:54 AM
Replies: 10
Views: 1,536
Posted By Finley Atherton
See THIS...

See THIS (http://www.vansairforce.com/community/showthread.php?t=90006). Apologies, photos gone.

Fin 9A
Australia.
Forum: RV-7/7A 09-25-2019, 03:54 AM
Replies: 59
Views: 13,531
Posted By Finley Atherton
My 2 cents: Dump the portrait G3X (Post #35) -...

My 2 cents:
Dump the portrait G3X (Post #35) - not needed as a navigation backup if VFR. If IFR the GTN 650 will be the extra (main) GPS navigator.

On the extreme left side of the panel you could...
Forum: RV General Discussion/News 09-13-2019, 03:37 PM
Replies: 32
Views: 4,075
Posted By Finley Atherton
Element Fire Extinguisher

My understanding is that these cannot be turned off once started so the E50 would keep discharging for 50 seconds? Not desirable in a small cockpit!

Fin 9A.
Forum: Glass Cockpit 09-07-2019, 06:38 PM
Replies: 9
Views: 696
Posted By Finley Atherton
One time I successfully loaded the Nav data to...

One time I successfully loaded the Nav data to the card but it would not load to the GTN. Sprayed the card contacts with contact cleaner and problem solved.

Fin 9A
Forum: RV General Discussion/News 08-29-2019, 06:32 PM
Replies: 30
Views: 2,887
Posted By Finley Atherton
I believe the key to quickly interpreting digital...

I believe the key to quickly interpreting digital tapes is to always set the bugs as this gives an immediate visual reference if you have strayed above or below the desired value.

Having said that I...
Forum: Electrical Systems 08-02-2019, 04:04 PM
Replies: 35
Views: 3,535
Posted By Finley Atherton
IMHO no need for an E-bus. Most avionics have an...

IMHO no need for an E-bus. Most avionics have an ON/OFF switch. If necessary add extra dedicated switches for other avionics/components that you may want to load shed if the alternator fails.
Might...
Forum: RV Photo/Video URLs 06-17-2019, 03:26 PM
Replies: 13
Views: 3,684
Posted By Finley Atherton
I agree the nose wheel should be kept off the...

I agree the nose wheel should be kept off the ground as long as possible but a short field landing requires at least moderate braking which will bring the nose down prematurely even with the stick...
Forum: Glass Cockpit 06-01-2019, 12:42 AM
Replies: 29
Views: 6,584
Posted By Finley Atherton
Steve, No SBAS in Australia but I already get...

Steve,

No SBAS in Australia but I already get LNAV+V on my GTN650 so what extra does this new update (point 4) give?

Fin 9A
Australia
Forum: RV General Discussion/News 05-10-2019, 05:24 PM
Replies: 4
Views: 636
Posted By Finley Atherton
Thanks everyone. Fin 9A

Thanks everyone.

Fin 9A
Forum: RV General Discussion/News 05-10-2019, 03:50 PM
Replies: 4
Views: 636
Posted By Finley Atherton
Searching Short Words On VAF

I want to do a VAF search for the Garmin G5 but it won?t accept G5 as it is too short. Any suggestions how to search short words?

Fin 9A
Forum: RV General Discussion/News 05-01-2019, 10:16 PM
Replies: 11
Views: 2,241
Posted By Finley Atherton
I got a full sized mountain bike into my 9A. No...

I got a full sized mountain bike into my 9A. No room for a passenger but a fair bit of room for baggage. I removed the passenger seat back and the wheels, seat and pedals of the bike. It was OK as a...
Forum: RV General Discussion/News 04-27-2019, 04:48 PM
Replies: 5
Views: 1,525
Posted By Finley Atherton
Longitudinal stability for the 9A was tested in...

Longitudinal stability for the 9A was tested in this CAFE report (https://cafe.foundation/v2/pdf_cafe_apr/rv-9a.pdf) pages 3 and 5. The graphs on P 5 include the RV 8 for comparison.

Try searching...
Forum: Safety 04-24-2019, 12:52 PM
Replies: 26
Views: 3,653
Posted By Finley Atherton
Could drain the battery through the B lead when...

Could drain the battery through the B lead when the engine is not running if there is a bad diode in the alternator?

Fin 9A
Forum: Safety 04-02-2019, 01:01 PM
Replies: 26
Views: 3,653
Posted By Finley Atherton
Kaa, Do I have this correct? Your concern is...

Kaa,

Do I have this correct? Your concern is that the master relay fails taking the battery out of the system. The resulting undamped alternator voltage may? go over 16 volts and activate the...
Forum: RV General Discussion/News 03-26-2019, 02:43 PM
Replies: 36
Views: 2,973
Posted By Finley Atherton
Arrow Canadian Joy, The Spidertracks unit (mine is an...

Canadian Joy,

The Spidertracks unit (mine is an S3) goes into “monitor” mode at 30 kt (from memory) at takeoff indicated by a steady blue light. After landing and below 30 kt it can be shut off by...
Forum: RV General Discussion/News 03-26-2019, 12:07 PM
Replies: 36
Views: 2,973
Posted By Finley Atherton
Spidertracks does not have a G switch but an...

Spidertracks does not have a G switch but an alert process will be triggered after 15 minutes if the unit were to stop transmitting position reports without being shut down correctly as would likely...
Forum: RV General Discussion/News 03-25-2019, 08:15 PM
Replies: 36
Views: 2,973
Posted By Finley Atherton
PLBs are approved as the sole ELT for Australian...

PLBs are approved as the sole ELT for Australian aircraft provided they meet AS/NZS 4280.2:2300 which I presume is an Australian/New Zealand specification. An example is the GME unit....
Forum: Safety 02-22-2019, 03:00 PM
Replies: 29
Views: 5,024
Posted By Finley Atherton
May have been one of the older Deltran batteries...

May have been one of the older Deltran batteries that did not have any built-in protection?

Fin
9A
Forum: Instrument Flight Rules 02-16-2019, 10:13 AM
Replies: 45
Views: 6,301
Posted By Finley Atherton
When hand flying IFR or VFR I find the Flight...

When hand flying IFR or VFR I find the Flight Path Marker (bumble bee) on the Skyview to be the best indicator to maintain constant altitude both straight and level and turning. Just keep it on the...
Forum: Traditional Aircraft Engines 02-05-2019, 09:14 AM
Replies: 67
Views: 13,938
Posted By Finley Atherton
I presume you checked for correct idle mixture...

I presume you checked for correct idle mixture adjustment at a higher idle rpm where it was running OK. If so try pulling the mixture full out to idle cutoff when it is “misfiring” at low rpm. If the...
Forum: Probable Cause Documents Discussed 12-10-2018, 01:53 PM
Replies: 24
Views: 17,844
Posted By Finley Atherton
I suspect that in my example where I am...

I suspect that in my example where I am approaching 10 kt faster with a dead engine and full flap the high rate of descent will require considerable backstick in the flare which will abruptly reduce...
Forum: Probable Cause Documents Discussed 12-10-2018, 12:41 PM
Replies: 24
Views: 17,844
Posted By Finley Atherton
Or if you do then add more speed. Did some engine...

Or if you do then add more speed.
Did some engine out full flap tests in my 9A some time ago. My normal (engine producing power) short field approach speed is 55 kt with full flap. With a dead engine...
Forum: RV General Discussion/News 11-11-2018, 12:49 PM
Replies: 44
Views: 4,221
Posted By Finley Atherton
In Australia for aviation we use kts. Otherwise...

In Australia for aviation we use kts. Otherwise we use the metric system so when talking with non-pilots I use km/h because 324 km/h sounds much faster than 175 kts.

Fin.
9A
Forum: Glass Cockpit 11-04-2018, 03:04 PM
Replies: 16
Views: 2,781
Posted By Finley Atherton
Thanks Ashley for your excellent suggestions. I...

Thanks Ashley for your excellent suggestions. I now have the WiFi adaptor ordered but can’t bring myself to upgrade to touch at the current exchange rate :(
Changing Flightplan Source on the Touch...
Forum: Glass Cockpit 11-03-2018, 08:03 PM
Replies: 16
Views: 2,781
Posted By Finley Atherton
Don’t know about the Dynon database you use in...

Don’t know about the Dynon database you use in the USA but the Australian database for the Dynon supplied by AvPlan seems to have the waypoints for RNAVs. So, if my GTN 650 fails and time and...
Forum: Electrical Systems 10-28-2018, 02:06 PM
Replies: 18
Views: 2,579
Posted By Finley Atherton
Original poster wants IFR with Pmags so I would...

Original poster wants IFR with Pmags so I would suggest:

Conventional wiring with fuses/circuit breakers and NO VPX.
30 amp backup alternator mounted on the vac pump drive which should be sufficient...
Forum: RV-10 10-27-2018, 12:14 PM
Replies: 5
Views: 1,755
Posted By Finley Atherton
I did a temperature test on my 9A firewall...

I did a temperature test on my 9A firewall mounted EarthX battery. Can’t recall the exact results but on a hot day in cruise the environmental temperature at the battery location was near the max...
Forum: RV-9/9A 10-04-2018, 05:38 PM
Replies: 4
Views: 1,074
Posted By Finley Atherton
I have installed “The Works” on my 9A and you are...

I have installed “The Works” on my 9A and you are correct that it does not exactly fit the profile, especially on the left side. You are probably aware that the wing tip cutouts on the 9 are smaller...
Forum: RV-9/9A 09-28-2018, 04:12 PM
Replies: 20
Views: 2,913
Posted By Finley Atherton
1020 hours on my 9A with an 0-320 and Hartzell...

1020 hours on my 9A with an 0-320 and Hartzell CS. I have been happy with the overall performance and the c of g is just where I want it.
If I was doing it again I would consider an I0-360 with a...
Forum: Traditional Aircraft Engines 09-20-2018, 11:20 AM
Replies: 27
Views: 4,089
Posted By Finley Atherton
My comment in post 2 was for group A cylinders....

My comment in post 2 was for group A cylinders. As I understand it group B cylinders must be replaced.

Fin
9A
Forum: Traditional Aircraft Engines 09-20-2018, 05:49 AM
Replies: 27
Views: 4,089
Posted By Finley Atherton
1020 hours and no problems. Fin 9A

1020 hours and no problems.

Fin
9A
Forum: RV-8/8A 09-03-2018, 05:21 PM
Replies: 13
Views: 1,685
Posted By Finley Atherton
This is my experience with the Trio and my RV 9A...

This is my experience with the Trio and my RV 9A - don’t know if it is relevant to the RV 8.

Installed as per the plans my Trio pitch servo was over sensitive and prone to oscillations and...
Forum: RV-7/7A 07-21-2018, 06:13 PM
Replies: 74
Views: 80,412
Posted By Finley Atherton
Tom, I have a 9A and don?t know much about the 7...

Tom, I have a 9A and don?t know much about the 7 but 3.68 gals unusable fuel sounds excessive.

Fin.
9A NSW AUSTRALIA
Forum: RV General Discussion/News 06-04-2018, 06:10 PM
Replies: 112
Views: 17,780
Posted By Finley Atherton
Mark, THIS POST...

Mark,

THIS POST (http://www.vansairforce.com/community/showthread.php?p=780329#post780329) quoting figures from Vans for the 14, 9 and 7 may be useful. (Note that apparently experience has shown...
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