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Search: Posts Made By: Walt
Forum: Traditional Aircraft Engines 06-22-2018, 05:52 AM
Replies: 6
Views: 288
Posted By Walt
Try leaning to max rpm when doing your runup, if...

Try leaning to max rpm when doing your runup, if it's overly rich the mag drop will be excessive. And yes check the idle mixture adjustment.
Forum: Electrical Systems 06-21-2018, 04:23 PM
Replies: 18
Views: 502
Posted By Walt
MX11SA is the PN I used.

MX11SA is the PN I used.
Forum: Electrical Systems 06-21-2018, 09:59 AM
Replies: 18
Views: 502
Posted By Walt
I installed a Gigavac MX11 some time ago just...

I installed a Gigavac MX11 some time ago just because I think it a better unit than the typical CH units. The 'S' models use less than 1 watt holding current and basically exceed the CH specs by a...
Forum: RV-9/9A 06-19-2018, 05:32 PM
Replies: 20
Views: 2,301
Posted By Walt
And then prevent it from happening again with one...

And then prevent it from happening again with one of these:
http://www.aircraftspruce.com/catalog/pspages/gustbusters05-11899.php
Forum: RV General Discussion/News 06-16-2018, 08:42 PM
Replies: 33
Views: 1,356
Posted By Walt
I'm still very happy with the Van's capacitive...

I'm still very happy with the Van's capacitive senders I installed, zero problems and very accurate empty to full. Not sure why they discontinued them. And it doesn't get much simplier, 2 pieces of...
Forum: RV General Discussion/News 06-16-2018, 08:22 PM
Replies: 13
Views: 1,364
Posted By Walt
I always use Aeroshell 100 Plus, which includes...

I always use Aeroshell 100 Plus, which includes the antiwear additive LW-16702 same as the Victory, which oil is better.. who knows, but I'll stick with the Aeroshell till someone proves otherwise.
Forum: Glass Cockpit 06-16-2018, 08:09 PM
Replies: 88
Views: 11,776
Posted By Walt
About 1.5 hrs today with 6.0, most of the flt...

About 1.5 hrs today with 6.0, most of the flt with the AP driving, multiple approaches using all modes, 0 issues.
Forum: RV Ongoing Maintenance Issues 06-16-2018, 05:58 PM
Replies: 1
Views: 233
Posted By Walt
New Engine driven Fuel pump installed...

Why, well lets just say I like to do preventive maintenance. 1000 hrs and 10 yrs on the old pump and it was still working good, but I know it must be getting tired so with Osh coming up and a little...
Forum: VAF Classifieds (posts in here deleted after 30 days) 06-15-2018, 06:10 PM
Replies: 1
Views: 358
Posted By Walt
Sold, thanks Steve!

Sold, thanks Steve!
Forum: VAF Classifieds (posts in here deleted after 30 days) 06-15-2018, 06:24 AM
Replies: 1
Views: 449
Posted By Walt
Sold pending receipt of funds.

Sold pending receipt of funds.
Forum: VAF Classifieds (posts in here deleted after 30 days) 06-14-2018, 06:48 PM
Replies: 1
Views: 358
Posted By Walt
SOLD Garmin GTX327 with Tray

Looks good and bench checks good, can provide yellow tag, includes tray and connector (less backshell).
$400 includes shipping (USA).
Plz Email if interested.
Walt
Forum: VAF Classifieds (posts in here deleted after 30 days) 06-14-2018, 01:40 PM
Replies: 3
Views: 201
Posted By Walt
I have 2 late model KT76A units available, look...

I have 2 late model KT76A units available, look good and guaranteed, can provide yellow tag if needed. $275 shipped.
Please email me if interested.
Walt
Forum: VAF Classifieds (posts in here deleted after 30 days) 06-14-2018, 11:34 AM
Replies: 1
Views: 449
Posted By Walt
FS: Garmin Aera 660 w/bare wire cable

Brand new in box with bare wire cable $700 includes FedEx shipping.
Please email me if interested.
Forum: Autopilots 06-14-2018, 11:06 AM
Replies: 11
Views: 647
Posted By Walt
I'm pretty sure the original post said nothing of...

I'm pretty sure the original post said nothing of working correctly, and some of us may have "assumed" this was a new install problem.

That's why the internet is not so good for troubleshooting, you...
Forum: RV-10 06-14-2018, 07:58 AM
Replies: 5
Views: 381
Posted By Walt
I beleive 3.8 is the correct ratio for most...

I beleive 3.8 is the correct ratio for most alternators with the large lyc pully.
Forum: VAF Classifieds (posts in here deleted after 30 days) 06-13-2018, 12:59 PM
Replies: 3
Views: 334
Posted By Walt
I have one also if anyone needs another. Includes...

I have one also if anyone needs another. Includes rack and connector (less backshell). Tests good, can provide yellow tag. $350 includes shipping.
Forum: RV-14 06-11-2018, 06:09 AM
Replies: 5
Views: 541
Posted By Walt
I've written about proper shiimming of the center...

I've written about proper shiimming of the center bearing a few times over the years, bottom line: install whatever washers/shims are req'd to fill the gap completely so that when you tighten the...
Forum: Autopilots 06-11-2018, 06:03 AM
Replies: 11
Views: 647
Posted By Walt
I always suggest folks first test the AP with...

I always suggest folks first test the AP with autotrim turned off to be sure the basic operation of the AP is working good before activating autotrim.
And I agree with Jon, sounds like the ail...
Forum: Electrical Systems 06-10-2018, 10:29 AM
Replies: 261
Views: 13,728
Posted By Walt
Or one of these...

Or one of these perhaps...
https://www.ebay.com/itm/Ram-Air-Turbine-GENERATOR-Aircraft-Aviation-Wind-Driven-AIR-DRIVEN-/282855057141
Forum: RV-8/8A 06-10-2018, 06:44 AM
Replies: 13
Views: 1,664
Posted By Walt
I would suggest you contact Van's with the...

I would suggest you contact Van's with the details and pictures, they are the only ones that can truly evaluate/suggest a repair in this critical area.
Forum: Traditional Aircraft Engines 06-08-2018, 07:11 PM
Replies: 22
Views: 2,346
Posted By Walt
An "overhaul" done in "Joe Blows" hanger is not...

An "overhaul" done in "Joe Blows" hanger is not really an "overhaul" is my point. Someone that does an engine "overhaul" that does not use parts that have been approved/inspected/checked/replaced IAW...
Forum: RV-12 06-08-2018, 04:56 PM
Replies: 15
Views: 990
Posted By Walt
Make the job easier by providing Xpdr and ADAHRS...

Make the job easier by providing Xpdr and ADAHRS SN's.
Forum: Traditional Aircraft Engines 06-08-2018, 04:48 PM
Replies: 22
Views: 2,346
Posted By Walt
1000 hrs on previously OH cylinders (what are the...

1000 hrs on previously OH cylinders (what are the cyl total hrs?), its not really an OH if you don't replace all 4 cyl assy's. Without new cylinders its really just an engine repair not an OH.
Forum: RV-12 06-08-2018, 09:34 AM
Replies: 15
Views: 990
Posted By Walt
Just to clarify things a bit: on a first time...

Just to clarify things a bit: on a first time check the shop needs to verify "altitude data correspondence" with the altimeter, on most glass that uses serial data from the PFD thats pretty easy, if...
Forum: Traditional Aircraft Engines 06-08-2018, 06:41 AM
Replies: 8
Views: 536
Posted By Walt
Not so on FF, perhaps you should call Don so you...

Not so on FF, perhaps you should call Don so you can hear it from him.
Divider assy is covered in the AFP manual.
Forum: Traditional Aircraft Engines 06-07-2018, 05:46 PM
Replies: 8
Views: 536
Posted By Walt
Not sure what size nozzles you have but I think...

Not sure what size nozzles you have but I think Don is recommending the .024 now instead of the original .028". The larger nozzles will tend to cause the symtoms you are experiencing. The idle...
Forum: RV-12 06-07-2018, 05:39 PM
Replies: 15
Views: 990
Posted By Walt
Everything you always wanted to know (or most of...

Everything you always wanted to know (or most of it) about IFR/VFR checks. Link to my FAQ page:
http://www.expaircraft.com/faq.htm
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 06-07-2018, 12:27 PM
Replies: 10
Views: 1,045
Posted By Walt
Just find some "speed tape" every mechanic has...

Just find some "speed tape" every mechanic has some (aluminum tape) and move on till you can coordinate finding a cap.
Forum: Safety 06-05-2018, 05:34 PM
Replies: 52
Views: 5,583
Posted By Walt
The only way to really tighten torque tube jams...

The only way to really tighten torque tube jams nuts is to have a wrench on both jam nuts at each end of the tube otherwise you can't really get it tight enough and tend to twist the assy. Loctite is...
Forum: Safety 06-05-2018, 05:27 PM
Replies: 20
Views: 2,666
Posted By Walt
Wow, that quite a difference, I think I'll lower...

Wow, that quite a difference, I think I'll lower my Va to something less than the current 124 Kts (down to about 105) until this gets cleared up!
Forum: VAF Classifieds (posts in here deleted after 30 days) 06-05-2018, 05:10 PM
Replies: 9
Views: 428
Posted By Walt
Maybe you should just try buying a good one...

Maybe you should just try buying a good one rather than another Falcon :cool:

I have a Falcon sitting on the shelf you can have, but you gotta come pick it up :eek:
Forum: RV-12 06-04-2018, 07:38 PM
Replies: 21
Views: 2,095
Posted By Walt
Call me a sissy if you want but when I do...

Call me a sissy if you want but when I do condition inspection I disconnect any un-protected wires from the battery for safety sake.
A contactor or fuse close to the battery is the only way to...
Forum: Glass Cockpit 06-04-2018, 10:28 AM
Replies: 6
Views: 364
Posted By Walt
5.2.8.6 DEMO MODE SELECT* The DEMO MODE SELECT*...

5.2.8.6 DEMO MODE SELECT*

The DEMO MODE SELECT* discrete input is used to select Demo Mode on the GTN.
When this pin is connected to ground during power up, the GTN starts up in Demo Mode. Demo...
Forum: RV-12 06-02-2018, 06:31 AM
Replies: 21
Views: 2,095
Posted By Walt
Maybe it's just me but no way I'm carrying a...

Maybe it's just me but no way I'm carrying a rather large cheap LI battery in the airplane.
Forum: COMM 05-31-2018, 06:16 PM
Replies: 12
Views: 608
Posted By Walt
I have one on top and one on bottom, the top...

I have one on top and one on bottom, the top definately makes ground communication easier. In the air who knows, unless you had identical radios with exactly the same sensiivity (not likely) there...
Forum: Traditional Aircraft Engines 05-28-2018, 07:43 PM
Replies: 6
Views: 835
Posted By Walt
Mahlon (engine guru) has probably seen more pumps...

Mahlon (engine guru) has probably seen more pumps than everyone on this forum put together, I'm pretty sure we can trust what he says!
Forum: VAF Classifieds (posts in here deleted after 30 days) 05-28-2018, 07:37 PM
Replies: 3
Views: 283
Posted By Walt
Gust Busters is my...

Gust Busters is my favorite:
http://www.aircraftspruce.com/catalog/pspages/gustbusters05-11899.php
Forum: RV Building Tips/Techniques 05-25-2018, 03:49 PM
Replies: 7
Views: 642
Posted By Walt
Henkil/Hysol make some aerospace liquid shim...

Henkil/Hysol make some aerospace liquid shim products, do a search on aerospace liquid shim and you should find some good info.
Forum: Fuel Injection Systems 05-25-2018, 12:33 PM
Replies: 7
Views: 1,139
Posted By Walt
If you have less than approx 50 rpm rise you...

If you have less than approx 50 rpm rise you should not be lead fouling plugs on the ground, so further leaning will have almost no effect at that point. If you're loading the plugs up with lead I...
Forum: Electrical Systems 05-25-2018, 08:09 AM
Replies: 261
Views: 13,728
Posted By Walt
That's a significant current draw, and of course...

That's a significant current draw, and of course that's just to keep the engine running and doesn't include any avionics.

On a single alt system if the alt quit you'd better be looking for a place...
Forum: Fuel Injection Systems 05-25-2018, 07:54 AM
Replies: 7
Views: 1,139
Posted By Walt
A properly adj FI system does not need to be...

A properly adj FI system does not need to be leaned on the ground.
Forum: RV-7/7A 05-24-2018, 06:40 PM
Replies: 37
Views: 5,747
Posted By Walt
Or, its hard to go wrong with the "standard"...

Or, its hard to go wrong with the "standard" Hartzell.

Compact hub Constant-speed prop for (I)O-360 (180/200hp) 74"
Part Number = PROP C2YR-1BFP/F7497
Price = $8035.00
Forum: RV Ongoing Maintenance Issues 05-22-2018, 06:02 PM
Replies: 9
Views: 1,156
Posted By Walt
Sorry to hear of your problems, some folks think...

Sorry to hear of your problems, some folks think the "hired guns" that have built multiple aircraft must be "experts", when I hear that's who built an airplane I start looking for the shortcuts taken...
Forum: RV General Discussion/News 05-22-2018, 07:05 AM
Replies: 16
Views: 3,166
Posted By Walt
A little off topic but how about a quick report...

A little off topic but how about a quick report on going back to the "original 8" style rudder, how does it compare to the 9 rudder?
Forum: RV-7/7A 05-20-2018, 04:04 PM
Replies: 3
Views: 830
Posted By Walt
I have mine setup, I think weird part was the...

I have mine setup, I think weird part was the fwd/aft cg limit numbers, heres what I have:
Fwd limit:
78.7, 1800
78.7, 0
Aft limit:
86.8, 1800
86.8, 0
Forum: Electrical Systems 05-20-2018, 08:16 AM
Replies: 261
Views: 13,728
Posted By Walt
Coming from the avionics side of things I'll use...

Coming from the avionics side of things I'll use the Garmin G5 as an example of how I think it should be done: dual power inputs with it's own dedicated backup battery.

With a system like that there...
Forum: Traditional Aircraft Engines 05-20-2018, 08:05 AM
Replies: 14
Views: 1,304
Posted By Walt
I'm pretty sure a missing plug would lower oil...

I'm pretty sure a missing plug would lower oil pressure to less than what you are seeing, my guess like some other folks suggested is excessive bearing clearances, I've seen this before.
Forum: COMM 05-20-2018, 07:45 AM
Replies: 72
Views: 8,117
Posted By Walt
Send me an email and I'd be glad to send you a...

Send me an email and I'd be glad to send you a copy of the latest manual.
Remove the extra cable and install an external antenna (with an internal ground plane) and I'll bet your problems will go...
Forum: COMM 05-19-2018, 06:57 PM
Replies: 72
Views: 8,117
Posted By Walt
Hmmm, not sure what manual you have but this is...

Hmmm, not sure what manual you have but this is from Table 2-3 of the GTX327 IM, Rev. R, which is the latest version:

Max. Length (feet – [m]) Insertion loss (dB/100ft) Carlisle IT Type MIL-C-17...
Forum: COMM 05-19-2018, 06:14 PM
Replies: 72
Views: 8,117
Posted By Walt
Maybe I was a bit snippy, but it bugs me when...

Maybe I was a bit snippy, but it bugs me when folks bash vendors because they fail to read and follow the installation guidelines they provide and then blame their problems on them.

I know everyone...
Forum: COMM 05-19-2018, 03:54 PM
Replies: 72
Views: 8,117
Posted By Walt
Maybe you missed it but the GDL 82 Install manual...

Maybe you missed it but the GDL 82 Install manual has pages and pages of antenna info and a list of approved L band antennas, ground plane requirements for those antennas and cable specs. Not sure...
Forum: RV General Discussion/News 05-18-2018, 06:18 PM
Replies: 15
Views: 980
Posted By Walt
In a G3X installation does that required GPS data...

In a G3X installation does that required GPS data come from the MAPMX or the CAN bus? Or is it best to still have an antenna on the G5?
Forum: RV-8/8A 05-18-2018, 05:58 PM
Replies: 8
Views: 1,008
Posted By Walt
The EI manuals I have (availalbe on their...

The EI manuals I have (availalbe on their website) for their Volt/Amp instruments all say "use the same size wire as the original".
Forum: RV-8/8A 05-18-2018, 09:54 AM
Replies: 8
Views: 1,008
Posted By Walt
Part of the problem with larger gauges on the...

Part of the problem with larger gauges on the alternator is the undue stress on the alt. terminal end from the very stiff wire, combined with the engine vibration it will increase the possibility of...
Forum: RV-8/8A 05-16-2018, 07:25 PM
Replies: 8
Views: 1,008
Posted By Walt
Not sure where you saw 4, but 6 or 8 is generally...

Not sure where you saw 4, but 6 or 8 is generally recommended, 6 for a 60 amp unit and 8 for a 40 amp unit. The alt wire is usually quite short and rarely does an alternator output full design...
Forum: Electrical Systems 05-15-2018, 02:39 PM
Replies: 261
Views: 13,728
Posted By Walt
So.. to Mike's point, remind me again what real...

So.. to Mike's point, remind me again what real benefit does EFI/EI get you over standard Bendix style FI with lets say some Pmags?

Sounds to me like things are awfully complicated, kinda reminds...
Forum: Glass Cockpit 05-14-2018, 09:44 AM
Replies: 6
Views: 622
Posted By Walt
A GPS antenna is required for G3X operation, it...

A GPS antenna is required for G3X operation, it doesn't share GPS data with the GTN. If you want a permanent mount I think the GA56 would be the appropriate unit. Section 23 of the install manual...
Forum: RV General Discussion/News 05-11-2018, 08:56 AM
Replies: 10
Views: 827
Posted By Walt
Replace them, once contaminated they're done.

Replace them, once contaminated they're done.
Forum: Traditional Aircraft Engines 05-10-2018, 07:56 PM
Replies: 39
Views: 4,977
Posted By Walt
Kahuna pretty well nailed it in post #6. Engine...

Kahuna pretty well nailed it in post #6.

Engine monitors are great, but seriously, you don't need to watch EGT's to notice the engine is not running right when switching mags.

Don't want to make...
Forum: RV General Discussion/News 05-09-2018, 06:56 AM
Replies: 41
Views: 3,706
Posted By Walt
The above is what I did as well but years after...

The above is what I did as well but years after the initial airworthiness was issued. For simplicity sake I would suggest you initially certify the aircraft at the recommended 1800 then go back later...
Forum: Electrical Systems 05-08-2018, 05:46 PM
Replies: 261
Views: 13,728
Posted By Walt
I'm pretty sure even the space shuttle wouldn't...

I'm pretty sure even the space shuttle wouldn't pass muster with the VAF crowd :eek:
The best engineering teams in the world still can't make a machine that can't fail.
Forum: RV General Discussion/News 05-08-2018, 06:55 AM
Replies: 29
Views: 2,139
Posted By Walt
Ipad pro 10.5 here and love it, I can't imagine...

Ipad pro 10.5 here and love it, I can't imagine not using such a great tool especially for flight planning. If you plan on working on your IFR rating it also becomes an invaluable tool for approach...
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