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Search: Posts Made By: Walt
Forum: RV Building Tips/Techniques 05-25-2018, 03:49 PM
Replies: 7
Views: 370
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: 874
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: 211
Views: 9,283
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: 874
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: 26
Views: 3,614
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: 7
Views: 705
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: 2,843
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: 2
Views: 333
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: 211
Views: 9,283
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: 1,004
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: 71
Views: 7,325
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: 71
Views: 7,325
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: 71
Views: 7,325
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: 71
Views: 7,325
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: 834
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: 765
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: 765
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: 765
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: 211
Views: 9,283
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: 468
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: 723
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: 4,353
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: 3,303
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: 211
Views: 9,283
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: 1,850
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...
Forum: RV General Discussion/News 05-08-2018, 06:44 AM
Replies: 23
Views: 2,255
Posted By Walt
A good reminder that all tank vents should be...

A good reminder that all tank vents should be protected from bug injestion. If anyone needs proof of this concept, stop by the hanger and I'll show you a colapsed RV8 tank that was so badly damaged...
Forum: RV General Discussion/News 05-06-2018, 04:27 PM
Replies: 7
Views: 769
Posted By Walt
I know a good one up here in the DFW area, email...

I know a good one up here in the DFW area, email me if you want the details.
Forum: RV Ongoing Maintenance Issues 05-06-2018, 07:36 AM
Replies: 6
Views: 517
Posted By Walt
Electronics International is the manufacturer of...

Electronics International is the manufacturer of the 'cube', I would suggest you go to thier website and review their installation manuals.
Forum: ADS-B 05-06-2018, 07:25 AM
Replies: 7
Views: 974
Posted By Walt
GDL 50/51/52 thread should answer your...

GDL 50/51/52 thread should answer your questions:
http://www.vansairforce.com/community/showthread.php?t=158246&highlight=gdl
Forum: Electrical Systems 05-05-2018, 03:09 PM
Replies: 41
Views: 1,615
Posted By Walt
Well you said you wanted a simple solution,...

Well you said you wanted a simple solution, apologize if I got that wrong, the TCW option is a "simple" solution.

You can design your own constant current charger or use the rather primitive...
Forum: Electrical Systems 05-05-2018, 01:15 PM
Replies: 41
Views: 1,615
Posted By Walt
If you're not willing to the work to develop your...

If you're not willing to the work to develop your own back up battery system, then I suggest you spend the money for a TCW backup battery and be done with it.
Forum: VAF Classifieds (posts in here deleted after 30 days) 05-05-2018, 11:12 AM
Replies: 2
Views: 329
Posted By Walt
PP "friends/family" is fine to the email in my...

PP "friends/family" is fine to the email in my sig. block.
If you want to add $10 for shipping that would be appreciated.
Thanks,
Walt
Forum: VAF Classifieds (posts in here deleted after 30 days) 05-05-2018, 09:37 AM
Replies: 2
Views: 329
Posted By Walt
FS: TruTrak Roll servo

Brand new includes harness and install hardware kit....
Forum: Electrical Systems 05-05-2018, 07:04 AM
Replies: 41
Views: 1,615
Posted By Walt
Joe, I would suggest you do some additional...

Joe, I would suggest you do some additional research on this topic before posting, your advice above borders on dangerous.

Ever notice your ammeter after cranking for a while, the current into an...
Forum: Fuel Injection Systems 05-04-2018, 06:10 PM
Replies: 7
Views: 874
Posted By Walt
Nominal...

Nominal setting:
https://photos.smugmug.com/Misc-stuff/i-9c6pwgM/0/fb548ccd/XL/Capture-XL.jpg
Forum: RV General Discussion/News 05-04-2018, 05:29 PM
Replies: 18
Views: 3,212
Posted By Walt
Another AeroLed fan here, I have the full set on...

Another AeroLed fan here, I have the full set on my own aircraft and have installed quite a few, never any problems, work as advertised and great company to do business with.
Forum: Glass Cockpit 05-03-2018, 06:33 PM
Replies: 4
Views: 351
Posted By Walt
Perfect, use a screw that has a smooth grip area...

Perfect, use a screw that has a smooth grip area on it, threads will leak.
Forum: RV General Discussion/News 05-03-2018, 05:59 PM
Replies: 25
Views: 2,571
Posted By Walt
And I don't know of any other insurance company...

And I don't know of any other insurance company that throws a party every year at Oshkosh for RV owners and sponsors the monday nite Beer shindig :D
I've been with them for over 14 years and wouldn't...
Forum: Glass Cockpit 05-03-2018, 05:49 PM
Replies: 4
Views: 351
Posted By Walt
Tape can leak, leaves a residue, ages, etc.. I...

Tape can leak, leaves a residue, ages, etc.. I prefer to use the appropriate size tubing that has a plug in it.
Forum: Electrical Systems 05-03-2018, 05:35 PM
Replies: 41
Views: 1,615
Posted By Walt
Small backup batteries cannot accept a high...

Small backup batteries cannot accept a high current charge, if you use a battery that can accept the full alternator output then you need to size wires, relays, diodes, etc. appropriately.
Forum: RV General Discussion/News 05-03-2018, 12:41 PM
Replies: 48
Views: 3,193
Posted By Walt
My own process is to insert the smaller wires...

My own process is to insert the smaller wires with a 'filler' wire of 22 or 24, crimp and then trim off the filler wire.
Forum: Glass Cockpit 05-03-2018, 07:02 AM
Replies: 14
Views: 1,098
Posted By Walt
If plannng an IFR aircraft 2 screens was my...

If plannng an IFR aircraft 2 screens was my choice.
This is where the portrait display really shines IMO as I have 2 directly in front of me. A failure of either screen is merely inconvenient, but...
Forum: VAF Classifieds (posts in here deleted after 30 days) 05-02-2018, 04:46 PM
Replies: 9
Views: 605
Posted By Walt
PN: 010-12373-01 Aviation Bracket with Bare...

PN: 010-12373-01 Aviation Bracket with Bare Wires
PN: 010-12373-03 Rectangular Base Plate w/Ball
Forum: RV General Discussion/News 05-02-2018, 07:27 AM
Replies: 34
Views: 2,007
Posted By Walt
20 PSI "normal" is too low (18 minimum), typical...

20 PSI "normal" is too low (18 minimum), typical pump pressure should be around 24-26, I'd start there.
Forum: RV General Discussion/News 05-02-2018, 07:01 AM
Replies: 12
Views: 1,420
Posted By Walt
Just thinking outloud here, would there be a way...

Just thinking outloud here, would there be a way to install a 3 pos switch to get the 3 desired flap settings, ie: UP/MID/DWN.
This would act more like a typical flap selector then merely a toggle...
Forum: RV General Discussion/News 05-01-2018, 07:47 PM
Replies: 12
Views: 1,420
Posted By Walt
I think this new actuator with built in position...

I think this new actuator with built in position sensors and limit switches, combined with the GAD27 controller is a great combo, one of these days when I have time I plan on upgrading my own 7 to...
Forum: Propellers 05-01-2018, 07:09 AM
Replies: 13
Views: 1,183
Posted By Walt
I've done hundreds of prop balances, I would...

I've done hundreds of prop balances, I would guess that easily 90% benefit significantly from a dynamic balance. Doesn't matter if its Catto, wood, composite CS or fixed, they all shake.
Forum: RV General Discussion/News 05-01-2018, 07:04 AM
Replies: 12
Views: 1,420
Posted By Walt
I don't think the momentary both direction sw...

I don't think the momentary both direction sw will do what you want but you may want to check with G3xpert to be sure.

The following is from the G3X manual pretty well describes the...
Forum: ADS-B 04-30-2018, 04:43 PM
Replies: 25
Views: 2,553
Posted By Walt
I've installed a about a half dozen NGT-9000's, a...

I've installed a about a half dozen NGT-9000's, a little pricey but super nice unit and even thought the screen is small its really good. If you want to install it yourself (EAB only) I can supply...
Forum: Glass Cockpit 04-30-2018, 04:20 PM
Replies: 217
Views: 67,130
Posted By Walt
Multiple VNAV waypoints :D

Multiple VNAV waypoints :D
Forum: RV General Discussion/News 04-29-2018, 08:07 AM
Replies: 13
Views: 1,699
Posted By Walt
I usually go in as lead in a 'flight', if they...

I usually go in as lead in a 'flight', if they don't ask when I rock my wings, I usually quickly ask "flt of X RV's request 36", it's never been a problem.

They always seem to be happy to accomodate...
Forum: RV General Discussion/News 04-29-2018, 07:48 AM
Replies: 22
Views: 1,356
Posted By Walt
The OP was "match drilling" the bracket to the...

The OP was "match drilling" the bracket to the spar, this infers that both pieces had pilot holes, hence my original recommdation for a piloted double margin drill would likely have prevented the...
Forum: Electronic Ignition Systems 04-28-2018, 08:24 PM
Replies: 3
Views: 622
Posted By Walt
You did set the MTH with the engine at TDC...

You did set the MTH with the engine at TDC correct, those folks used to working with mags have made the mistake of setting them up with the engine at 25 deg.
Forum: Glass Cockpit 04-28-2018, 03:14 PM
Replies: 7
Views: 482
Posted By Walt
I think its about split in half or a little less,...

I think its about split in half or a little less, here's a pic of one I have in the shop but it has eng stuff on the top.
I turned off the MFD to get to the back-up...
Forum: Glass Cockpit 04-28-2018, 02:29 PM
Replies: 7
Views: 482
Posted By Walt
If you turn it into a G3X then it will always...

If you turn it into a G3X then it will always have the attitude/PFD ind on top but you can use the lower half as a map or any the other of the available screens. The map ends up being kinda small at...
Forum: RV General Discussion/News 04-28-2018, 02:04 PM
Replies: 22
Views: 1,356
Posted By Walt
OK I not a machinest, so how do you match drill...

OK I not a machinest, so how do you match drill to final size both pieces using a drill bushing?
Forum: RV General Discussion/News 04-28-2018, 01:58 PM
Replies: 22
Views: 1,356
Posted By Walt
Yes but final reaming a good hole to size is not...

Yes but final reaming a good hole to size is not the same as stepping up a piloted #30 hole to a #10 in one easy operation. Guess I'm just spoiled :cool:
Forum: ADS-B 04-28-2018, 01:42 PM
Replies: 25
Views: 2,553
Posted By Walt
A popular choice has been the Garmin GTX 345...

A popular choice has been the Garmin GTX 345 (in/out) with built in GPS coupled to an Aera 660 to display traffic and weather, this will set you back about $5500 for equipment and around 1K for...
Forum: Glass Cockpit 04-28-2018, 01:34 PM
Replies: 7
Views: 482
Posted By Walt
Absolutely, thats basically how I have mine...

Absolutely, thats basically how I have mine configured.
You can go to 'split screen' mode on the PFD and show PFD with map or any of the other choices
(you can do the same with the 370, thats what I...
Forum: RV General Discussion/News 04-28-2018, 06:48 AM
Replies: 22
Views: 1,356
Posted By Walt
Is it worth $25 to drill reamer quality holes, I...

Is it worth $25 to drill reamer quality holes, I guess not for everyone.
Forum: RV General Discussion/News 04-26-2018, 08:01 PM
Replies: 22
Views: 1,356
Posted By Walt
I would suggest using a piloted double margin...

I would suggest using a piloted double margin...
Forum: Glass Cockpit 04-26-2018, 10:58 AM
Replies: 14
Views: 970
Posted By Walt
I just use 10K pots, simple and reliable, one for...

I just use 10K pots, simple and reliable, one for the G3X and one for the 650. I believe the GAD27 can be used as a dimmer master to control other stuff.
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