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Search: Posts Made By: Walt
Forum: RV Ongoing Maintenance Issues Yesterday, 07:17 AM
Replies: 7
Views: 227
Posted By Walt
Yep, think retractable gear, good luck doing a...

Yep, think retractable gear, good luck doing a W&B with the gear up :D
Forum: RV Ongoing Maintenance Issues 05-14-2022, 08:30 PM
Replies: 9
Views: 547
Posted By Walt
Suggest you go back to the AFP filter, I use a...

Suggest you go back to the AFP filter, I use a Flow-ezy myself. The Andair is to small IMO.
Forum: RV-14 05-14-2022, 11:12 AM
Replies: 9
Views: 479
Posted By Walt
Just installed this MTV-9 recently, love...

Just installed this MTV-9 recently, love it.

https://photos.smugmug.com/Misc-stuff/i-jktLpzF/0/b8810b7d/XL/2022050617540396-2522085236459514063-IMG_1800-XL.jpg
Forum: Traditional Aircraft Engines 05-12-2022, 11:51 AM
Replies: 8
Views: 515
Posted By Walt
Ask SAP (Superior Air Parts) how that worked out...

Ask SAP (Superior Air Parts) how that worked out for them :eek:
Forum: Autopilots 05-12-2022, 04:42 AM
Replies: 12
Views: 1,086
Posted By Walt
Yep, roll compensating for a yaw offset.

Yep, roll compensating for a yaw offset.
Forum: Electrical Systems 05-11-2022, 08:57 PM
Replies: 41
Views: 3,234
Posted By Walt
So what is your expectation on bearing/unit...

So what is your expectation on bearing/unit TBO?
I also didn’t see any info on warranty in the manual or on the website.
As an early adopter I want to know that you’re going to stand behind your...
Forum: RV General Discussion/News 05-11-2022, 08:10 PM
Replies: 26
Views: 2,038
Posted By Walt
I travel with a few tools mainly to help my...

I travel with a few tools mainly to help my friends, never needed any myself.
(I prefer to do preventative maintenance to avoid such things, and the wife prefers I don’t work on the plane while we’re...
Forum: Electrical Systems 05-11-2022, 12:48 PM
Replies: 41
Views: 3,234
Posted By Walt
This alt just like other BU alternators connects...

This alt just like other BU alternators connects via the vacuum pad drive which is standard on Lycoming.
If the alt seizes for example (worst case) the shear coupling disconnects is all, there are...
Forum: Electrical Systems 05-09-2022, 07:09 AM
Replies: 41
Views: 3,234
Posted By Walt
I just ordered one to replace my B&C backup unit,...

I just ordered one to replace my B&C backup unit, main reason was to get 3-4 extra pounds off the nose. Looks like a good unit and Bill has done his homework. I also wanted something I could...
Forum: RV-7/7A 05-09-2022, 06:47 AM
Replies: 6
Views: 286
Posted By Walt
FYI, from the AFP manual: WARNING Airflow...

FYI, from the AFP manual:

WARNING
Airflow Performance and Bendix/Precision fuel injection systems are non-returning systems. In the event that a tank is run dry in flight, an air lock will be formed...
Forum: RV Friends Who Have Passed On 05-08-2022, 07:08 PM
Replies: 16
Views: 4,361
Posted By Walt
Descend into fog without and IFR clearance and...

Descend into fog without and IFR clearance and not being prepared for it is not an option, so at that point, I'd violate and ask permission when able, maybe even declare if they won't give you a...
Forum: RV Building Tips/Techniques 05-08-2022, 05:50 PM
Replies: 16
Views: 1,083
Posted By Walt
In my airline career Boeing/Douglas spec’d std...

In my airline career Boeing/Douglas spec’d std Amp terminals for 90% of connections, engines/pylon req’d sealed splices.

Making folks feel like if they don't environmentally seal all their...
Forum: ADS-B 05-08-2022, 02:37 PM
Replies: 5
Views: 327
Posted By Walt
G3X w/GTX45R is a great combo.

G3X w/GTX45R is a great combo.
Forum: RV Building Tips/Techniques 05-06-2022, 06:41 PM
Replies: 16
Views: 1,083
Posted By Walt
Amp insulated butt splices with the correct...

Amp insulated butt splices with the correct tools, no need for heat shrink, of course it won't hurt if you feel compelled.
Forum: Glass Cockpit 05-05-2022, 05:18 PM
Replies: 1
Views: 494
Posted By Walt
Garmin Panel Porn

New RV14 panel....
(more pics in the RV14 thread :...
Forum: RV-14 05-05-2022, 05:11 PM
Replies: 196
Views: 240,633
Posted By Walt
New RV14 Garmin panel

Complete Garmin panel and airframe wire job, headed back to builder for completion. I have included a couple of behind the panel shots as...
Forum: Glass Cockpit 05-04-2022, 04:52 PM
Replies: 14
Views: 1,231
Posted By Walt
It would seem to me that leaving all those...

It would seem to me that leaving all those shields braided it would get awfully crowded really fast, the audio panel would be way worse than these...

Steve, don't make me redo all this...
Forum: VAF Classifieds (posts in here deleted after 30 days) 05-04-2022, 04:34 PM
Replies: 4
Views: 360
Posted By Walt
Not you.... the scammers that will reach out to...

Not you.... the scammers that will reach out to you with "I have one".
Forum: VAF Classifieds (posts in here deleted after 30 days) 05-04-2022, 03:07 PM
Replies: 4
Views: 360
Posted By Walt
WTB's are big targets for scammers..., just...

WTB's are big targets for scammers..., just saying.
Forum: Electronic Ignition Systems 05-04-2022, 07:19 AM
Replies: 20
Views: 1,512
Posted By Walt
Seems like the 14ga minimum and 10 amp fuse may...

Seems like the 14ga minimum and 10 amp fuse may be a bit of overkill for a unit that draws less than 1 amp.
Especially if your battery is on the firewall.
Forum: Glass Cockpit 05-03-2022, 09:57 PM
Replies: 10
Views: 921
Posted By Walt
How does sitting on table, undisturbed for weeks,...

How does sitting on table, undisturbed for weeks, correlate to the real-world conditions of being installed in a flying aircraft?
Forum: Traditional Aircraft Engines 05-02-2022, 04:50 PM
Replies: 22
Views: 1,600
Posted By Walt
Just as a point of reference, my original engine...

Just as a point of reference, my original engine was from ECI, I ran it for around 500 hrs before the AD came out, ECI replaced all my cylinders with new ones (almost free) and I ran those on the...
Forum: Traditional Aircraft Engines 05-02-2022, 09:13 AM
Replies: 10
Views: 846
Posted By Walt
A new 370 engine will definitely increase the fun...

A new 370 engine will definitely increase the fun factor and aircraft value compared to a rebuilt engine :D
However, I just replaced my Hartzell BA with an MT due to possible issues with the...
Forum: Traditional Aircraft Engines 05-02-2022, 08:40 AM
Replies: 10
Views: 846
Posted By Walt
I'd probably suggest going with their vertical...

I'd probably suggest going with their vertical sump and AFP150 FI system, probably not much more than the carb and FI definitely has a few advantages.
This is the same setup I have (I switched from...
Forum: Traditional Aircraft Engines 05-02-2022, 07:32 AM
Replies: 10
Views: 846
Posted By Walt
I replaced a 360 with a 370, rather than make new...

I replaced a 360 with a 370, rather than make new inner cylinder baffles to fit the taper cylinders I just added some holes to the IB side of the inner baffle and pulled the baffles into place with...
Forum: Propellers 05-01-2022, 06:32 PM
Replies: 11
Views: 790
Posted By Walt
We’ll, I avoid low mp setting at higher...

We’ll, I avoid low mp setting at higher airspeeds, driving the prop/engine with airspeed can cause piston ring flutter and may‘detune’ a counter weighted crank.
Forum: Propellers 05-01-2022, 07:36 AM
Replies: 11
Views: 790
Posted By Walt
The Dynamic balance started at 0.310 which is on...

The Dynamic balance started at 0.310 which is on the high side, finished at 0.011 ips after 4 runs which is a very low level, better than average.
(my goal is 0.05 IPS after balance which is half the...
Forum: Propellers 04-30-2022, 06:49 PM
Replies: 11
Views: 790
Posted By Walt
Flew about 4 hrs today with the new prop, a few...

Flew about 4 hrs today with the new prop, a few observations:

Definitely smoother at all RPM ranges, can dial eng back as far as 2100 or less, which I would never do with the Hartzell and it was...
Forum: Propellers 04-29-2022, 07:06 PM
Replies: 11
Views: 790
Posted By Walt
MT prop/shout out to McFarlane

Ordered on Monday received this beauty on Friday, The service at McFarlane is superb!
Installed and balanced, looking at some test flight’s with it tomorrow.
MTV-9 replacing the Hartzell...
Forum: COMM 04-29-2022, 06:36 PM
Replies: 7
Views: 600
Posted By Walt
Doubt the PTT switch has anything to do with it,...

Doubt the PTT switch has anything to do with it, the pilot headphone/mic wires/jacks are more likely the cause.
When you use the CP ptt those inputs/outputs are separate from the pilots.
My guess is...
Forum: VAF Classifieds (posts in here deleted after 30 days) 04-26-2022, 06:14 PM
Replies: 2
Views: 650
Posted By Walt
FS: Hartzell blended airfoil, C2YR-1BFP/F7497

C2YR-1BFP/F7497 74". Bought new 11/2018 from Van's, has approx 175 hrs on it. Near new condition.
Includes Van's spinner, mounting bulkeads etc., as removed from my aircraft.
Ready to install on...
Forum: Electrical Systems 04-25-2022, 03:41 PM
Replies: 19
Views: 1,121
Posted By Walt
Depending on the cost of avionics you have in the...

Depending on the cost of avionics you have in the panel, a cheap made in China power supply could end up being very expensive.
Unless you have a really good power supply, I suggest folks just run off...
Forum: VAF Classifieds (posts in here deleted after 30 days) 04-25-2022, 10:45 AM
Replies: 7
Views: 1,111
Posted By Walt
Wow! Built 50 RV's??? I'm having trouble with...

Wow! Built 50 RV's??? I'm having trouble with that math for some reason?
Forum: Electrical Systems 04-25-2022, 07:46 AM
Replies: 19
Views: 1,121
Posted By Walt
Those floor mounted rudder pedals are prone to...

Those floor mounted rudder pedals are prone to failure (see SB), I assume that is why it's circled?
Forum: RV General Discussion/News 04-20-2022, 03:50 PM
Replies: 15
Views: 2,290
Posted By Walt
One color, No way, wheel pants can make or break...

One color, No way, wheel pants can make or break the paint job!
18 yrs ZERO issues, I think the key is mount them a little high with plenty of tire/ground clearance.
(No idea why picture get...
Forum: Electrical Systems 04-19-2022, 06:19 PM
Replies: 4
Views: 348
Posted By Walt
Agree with the above, Also curious why you would...

Agree with the above, Also curious why you would only start on one LSE ignition?
Forum: Electrical Systems 04-18-2022, 06:34 PM
Replies: 16
Views: 1,715
Posted By Walt
KlIxon breaker...

KlIxon breaker dissection:
https://code7700.com/circuit_breakers.htm

In the case of the klixon 7700 series its apparent polarity doesn’t matter.
Forum: RV Ongoing Maintenance Issues 04-18-2022, 10:14 AM
Replies: 34
Views: 2,329
Posted By Walt
Turbines don't have an oil sump exposed to...

Turbines don't have an oil sump exposed to combustion gases, water cannot be introduced into the oil system from turbine section like an internal combustion engine.
Forum: RV Ongoing Maintenance Issues 04-18-2022, 10:03 AM
Replies: 34
Views: 2,329
Posted By Walt
Originally Posted byjrs14855 View Post 170 oil...

Originally Posted byjrs14855 View Post
170 oil temperature is too low. 180 minimum.

Originally posted by Walt:
Where did 180 minimum come from?
165-220 is the recommended range from Lyc.
Some...
Forum: RV Ongoing Maintenance Issues 04-17-2022, 10:36 AM
Replies: 34
Views: 2,329
Posted By Walt
Guess you better let Lycoming know their manuals...

Guess you better let Lycoming know their manuals are wrong :eek:
Forum: Traditional Aircraft Engines 04-17-2022, 09:28 AM
Replies: 1
Views: 195
Posted By Walt
Suggest you download the table of limits The mag...

Suggest you download the table of limits
The mag nuts are 5/16 from the standard torque chart.

https://www.lycoming.com/sites/default/files/SSP-1776-5%20Table%20of%20Limits%20-%20Complete.pdf from...
Forum: RV Ongoing Maintenance Issues 04-17-2022, 09:14 AM
Replies: 34
Views: 2,329
Posted By Walt
Where did 180 minimum come from? 165-220 is the...

Where did 180 minimum come from?
165-220 is the recommended range from Lyc.
Some documents even state 140 min for continuous operation.
Forum: GPS 04-15-2022, 09:55 AM
Replies: 5
Views: 776
Posted By Walt
Usually good past the 90 day...

Usually good past the 90 day window.
https://fly.garmin.com/fly-garmin/
Forum: Glass Cockpit 04-15-2022, 07:04 AM
Replies: 8
Views: 389
Posted By Walt
Might be a good time to upgrade to a Xpr with a...

Might be a good time to upgrade to a Xpr with a serial input.
Forum: RV-12/RV-12iS 04-15-2022, 07:01 AM
Replies: 3
Views: 852
Posted By Walt
In the certified world, some exhaust system...

In the certified world, some exhaust system manufacturers double their warranty if you have the prop balanced, vibration causes cracking.
Forum: RV-14 04-15-2022, 06:39 AM
Replies: 30
Views: 3,684
Posted By Walt
I wish “Gustbusters” was still around, a great...

I wish “Gustbusters” was still around, a great setup IMO.
Rudder lock is spring loaded to allow for progressive energy...
Forum: ADS-B 04-13-2022, 06:40 AM
Replies: 7
Views: 554
Posted By Walt
Not sure how a Garmin GAE module could be...

Not sure how a Garmin GAE module could be calibrated on the bench without it being installed on the transponder?

If the altitude encoder or altimeter is replaced, then they must be tested/adjusted...
Forum: Glass Cockpit 04-11-2022, 10:15 AM
Replies: 76
Views: 111,264
Posted By Walt
Additionally, the AP servos clutches can always...

Additionally, the AP servos clutches can always be overpowered relatively easily by the pilot, at no time should you ever lose control of the aircraft due to the AP, it's not that powerful.
Forum: RV Building Tips/Techniques 04-09-2022, 08:48 PM
Replies: 10
Views: 1,059
Posted By Walt
Same here, scotchbrite all mating surfaces,...

Same here, scotchbrite all mating surfaces, etch/alodine everything. PR1422 generously applied. 20 years no leaks/seeps/drips.
Forum: Traditional Aircraft Engines 04-09-2022, 08:25 AM
Replies: 9
Views: 833
Posted By Walt
Highly unlikely you'll find a maintenance shop...

Highly unlikely you'll find a maintenance shop that can meet your expectations, there are maintenance shops and engine shops.



If you have to get a Lycoming warmed up to pass a compression check,...
Forum: RV General Discussion/News 04-07-2022, 06:16 PM
Replies: 5
Views: 759
Posted By Walt
Unfortunately, all the 11:00x5 tubes are "not so...

Unfortunately, all the 11:00x5 tubes are "not so good" (that's being polite). I used to change mine every year or two just to be safe, finally installed the Beringer and never looked back. If you...
Forum: RV General Discussion/News 04-07-2022, 04:06 PM
Replies: 5
Views: 759
Posted By Walt
Yea, get rid of the tube with either the Beringer...

Yea, get rid of the tube with either the Beringer on Grove tubeless wheels.
Forum: Safety 04-04-2022, 06:07 PM
Replies: 15
Views: 3,131
Posted By Walt
Had a customer with similar trim “problem”, which...

Had a customer with similar trim “problem”, which turned out to be operator error. (14A w/Garmin G3X)

He inadvertently held the AP disconnect switch (which was the button above the PTT on the Tosten...
Forum: Electrical Systems 04-04-2022, 09:55 AM
Replies: 28
Views: 2,760
Posted By Walt
I personally consider any switch with a riveted...

I personally consider any switch with a riveted lug to be of inferior quality, no scientific proof to back it up, I've just seen many with loose contacts at the riveted connection, Cessna master/alt...
Forum: Glass Cockpit 04-04-2022, 08:59 AM
Replies: 11
Views: 1,655
Posted By Walt
At one point I was going to try to become a...

At one point I was going to try to become a dealer but that kinda fell thru, didn't seem to be much interest on their part.
Anyway 2020/2021 price was listed at X-1 $6650 and the HR at $18,750
Forum: Glass Cockpit 04-03-2022, 05:17 PM
Replies: 11
Views: 1,655
Posted By Walt
Astronics has one, not cheap...

Astronics has one, not cheap though:
https://www.astronics.com/evs-for-experimental-and-homebuilt-aircraft/
Forum: Glass Cockpit 04-03-2022, 12:14 PM
Replies: 16
Views: 1,572
Posted By Walt
I sent the OP my AOA values which differ quite a...

I sent the OP my AOA values which differ quite a bit from his, my thoughts are still, unless he had a large AOA leak the sensor was probably the culprit.
A lot of back and forth but no way to test...
Forum: Electrical Systems 04-03-2022, 06:43 AM
Replies: 28
Views: 2,760
Posted By Walt
Switches with riveted tabs are trouble prone from...

Switches with riveted tabs are trouble prone from my experience, and using a solder connection is way more trouble than a simple crimp terminal with screw connection.
Electrical systems seem to be...
Forum: Glass Cockpit 04-03-2022, 06:15 AM
Replies: 16
Views: 1,572
Posted By Walt
The manual has some specs for acceptable leak...

The manual has some specs for acceptable leak rates of the pitot probe itself, not sure of an acceptable rate for the AOA side.
Minor leaks on the pitot side don’t usually have much effect on...
Forum: Glass Cockpit 04-03-2022, 06:05 AM
Replies: 16
Views: 1,572
Posted By Walt
Nothing more than a hose large enough to slip...

Nothing more than a hose large enough to slip over the pitot probe then clamped at rear to effect a seal. Covers the drain holes at the same time.
Then some standard adapters to fit my pitot test...
Forum: Autopilots 04-02-2022, 05:48 PM
Replies: 6
Views: 1,000
Posted By Walt
Thanks Andrew, the great folks at Mid Continent...

Thanks Andrew, the great folks at Mid Continent have it now, they agreed to look at it to see if there was anything they could do.
If they’re not successful I’ll send you a note.
Forum: Traditional Aircraft Engines 04-02-2022, 01:02 PM
Replies: 11
Views: 903
Posted By Walt
No big deal, I just don't want to add a sealant...

No big deal, I just don't want to add a sealant that 'sets' and causes a fitting to be harder to remove if I know I'll be taking it out again soon.

Titeseal for example is a great non-setting thread...
Forum: RV General Discussion/News 04-02-2022, 08:44 AM
Replies: 9
Views: 1,004
Posted By Walt
Legally, ferry permit, stay outside of rule...

Legally, ferry permit, stay outside of rule airspace, or have someone come to your location to check the transponder.
Forum: RV General Discussion/News 04-02-2022, 08:16 AM
Replies: 9
Views: 1,004
Posted By Walt
A bit of clarification on 24month checks: *If...

A bit of clarification on 24month checks:

*If you don't fly IFR then the transponder 91.413 check is the only requirement. Unless you installed a new encoder or altimeter there is no encoder check...
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