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Search: Posts Made By: Tommycat
Forum: Traditional Aircraft Engines 10-16-2017, 08:54 PM
Replies: 50
Views: 4,355
Posted By Tommycat
Perhaps a true purrfectionist would finish...

Perhaps a true purrfectionist would finish drilling out the other 5 holes...

http://wiki.ad7zj.net/wiki/images/thumb/1/17/IMG_20141111_123854.jpg/800px-IMG_20141111_123854.jpg

And/or pull back that...
Forum: RV Ongoing Maintenance Issues 10-16-2017, 08:29 PM
Replies: 26
Views: 1,755
Posted By Tommycat
Contactor information...

My favorite go to resource about contactors and diodes. HERE... (http://www.verticalpower.com/media/attachments/2017/07/20/contactor_wiring.pdf) Has pictures! :D


Regards,
Forum: Traditional Aircraft Engines 10-10-2017, 04:13 PM
Replies: 50
Views: 4,355
Posted By Tommycat
Ahhhhh, this is what it was... "At any time a...

Ahhhhh, this is what it was...


"At any time a cylinder is replaced, it is necessary to re-torque the thru-studs on the cylinder on the opposite side of the engine."

Lycoming Manual...
Forum: Traditional Aircraft Engines 10-01-2017, 09:33 AM
Replies: 50
Views: 4,355
Posted By Tommycat
same assembly different part...

I was referring too the mushroomed part of the hydraulic tappet assembly.:)

Here's a nice pic...

http://i50.tinypic.com/kf1j6f.jpg

Rides right on the cam.
Forum: Traditional Aircraft Engines 09-30-2017, 03:54 PM
Replies: 50
Views: 4,355
Posted By Tommycat
...and having to split the case for a tappet? ...

...and having to split the case for a tappet? :mad: I understand you.

Hey, you keeping your crankcase oil temps 180degrees and above now days with the drop in ambient temps?:)

I was a bit upset...
Forum: COMM 09-30-2017, 03:31 PM
Replies: 20
Views: 2,258
Posted By Tommycat
Hi Thomas, Great to hear a happy ending! Thanks...

Hi Thomas,

Great to hear a happy ending! Thanks for the update. Way to hang in there and nail it down!

I'm just a bit confused tho... Didn't you replace the antenna in post #9?:confused:



Best...
Forum: Traditional Aircraft Engines 09-30-2017, 09:44 AM
Replies: 50
Views: 4,355
Posted By Tommycat
Glad to hear...

Hi Snopercod,

Glad to hear that it appears your cam is sound! :) Thanks for the interesting post. I appreciate the updates and feedback. Learning a lot.

I'm curious tho why you chose to ignore...
Forum: RV General Discussion/News 09-22-2017, 08:55 PM
Replies: 5
Views: 508
Posted By Tommycat
I believe this statement to be the most accurate,...

I believe this statement to be the most accurate, although I believe both would be reduced slightly due to the higher resistance of the single tube and outlet.


Best regards,
Forum: RV-12 09-12-2017, 08:09 PM
Replies: 18
Views: 2,893
Posted By Tommycat
Great video...

Here's a link to a video on the Rotax provided by another member, that I found to be very informative...Burping included.:D


TommyCat courtesy link......
Forum: Electrical Systems 09-11-2017, 12:57 PM
Replies: 23
Views: 1,473
Posted By Tommycat
So it looks like your wire size will hinge on...

So it looks like your wire size will hinge on your decision to run a home run ground wire or not...

But I'm curious...where did you get the 12amp load in your wing tip light calculations? Combining...
Forum: Electrical Systems 09-09-2017, 08:45 PM
Replies: 23
Views: 1,473
Posted By Tommycat
Aircraft wiring resource...

FAA Advisory Circular...Electrical...Chapter 11 (https://www.faa.gov/documentLibrary/media/Advisory_Circular/Chapter_11.pdf)

Best regards,
Forum: Electrical Systems 09-06-2017, 04:47 PM
Replies: 16
Views: 887
Posted By Tommycat
...that Whelen power unit is rated at 7 amps @...

...that Whelen power unit is rated at 7 amps @ 14volts D.C.

I'm concerned that your wiring could get "Too hot to touch" and not trip the breaker.:(

I'd take this time to verify wiring length,...
Forum: Electrical Systems 08-29-2017, 10:32 PM
Replies: 42
Views: 3,003
Posted By Tommycat
Yeah, and thinking on it a direct short to a 5...

Yeah, and thinking on it a direct short to a 5 amp cb wouldn't take to long to trip...:rolleyes:

Regards,
Forum: Electrical Systems 08-29-2017, 09:54 PM
Replies: 42
Views: 3,003
Posted By Tommycat
Since the crowbar protection circuit shorts the...

Since the crowbar protection circuit shorts the field to ground on over voltage. I would be curious to know what the amp draw of the field circuit is during the testing. Could the voltage hunting be...
Forum: Electrical Systems 08-29-2017, 03:01 PM
Replies: 5
Views: 404
Posted By Tommycat
AKA: Continuous Duty rated..... "Battery...

AKA: Continuous Duty rated.....

"Battery contactor (aka master relay, master contactor, master solenoid) is a “Continuous Duty” relay meaning it can be turned on indefinitely. This relay will...
Forum: RV-12 08-25-2017, 09:18 PM
Replies: 14
Views: 3,091
Posted By Tommycat
Prop drag?

I enjoyed the presentation, thanks for posting. I found it a helpful instructional as to what the Rotax, maintenence, and it's install is about.

But which does create the most drag with a damaged...
Forum: RV General Discussion/News 08-25-2017, 08:57 PM
Replies: 11
Views: 854
Posted By Tommycat
Three or four terminals? Good Information...

Three or four terminals?

Good Information (http://www.verticalpower.com/media/attachments/2017/07/20/contactor_wiring.pdf)

Best regards,
Forum: Electrical Systems 08-12-2017, 07:33 PM
Replies: 66
Views: 6,325
Posted By Tommycat
Helpful?

Hi leok,

Contactor/relay coil diodes required? (voltage spike drain.)

Termination location of the annunciator sensor wire at the starter contactor. (12VDC +)

Resistor in the annunciator sensor...
Forum: Traditional Aircraft Engines 08-07-2017, 05:01 PM
Replies: 54
Views: 7,366
Posted By Tommycat
Whhhhooooooooshhhhh.....

http://i.imgur.com/HcXTa2t.jpg

Man, glad to let that one out! :D

Well done Snopercod!



I foresee a scat tube dampurr in your future... :cool:
Forum: COMM 08-06-2017, 03:31 PM
Replies: 20
Views: 2,258
Posted By Tommycat
Hi Tom, It seems to me that your SWRs are fairly...

Hi Tom,

It seems to me that your SWRs are fairly high.
I know your antenna is rated at less than 2.2:1. (If it's the Red Tail VHF Com)See reference...
And your reflected powers are all above the...
Forum: RV-12 06-28-2017, 06:29 PM
Replies: 42
Views: 8,099
Posted By Tommycat
Roger that. Tom you going to send this...

Roger that.

Tom you going to send this somewhere to be repaired?

What caused the fuse to blow? Was it the reg? Short in the wiring?
Forum: RV-12 06-27-2017, 11:19 AM
Replies: 42
Views: 8,099
Posted By Tommycat
Jumper the fuse and re-test pin 16. Check pin 23...

Jumper the fuse and re-test pin 16. Check pin 23 while your at it... Caution this assumes the short(s)to be elsewhere. (Out of S&W module.) Quick amp draw check?

Recommend testing points in my...
Forum: RV-12 06-27-2017, 08:55 AM
Replies: 42
Views: 8,099
Posted By Tommycat
Bad fuse(s)...?

Cat troubleshooting rule #1...always start with the obvious. 9.75v is not right.

Follow electrical safety precautions.

Keeping your meter negative lead (common port) at the same grounding...
Forum: Traditional Aircraft Engines 06-25-2017, 10:40 AM
Replies: 54
Views: 7,366
Posted By Tommycat
Have you done a mag check immediately after the...

Have you done a mag check immediately after the hot engine die-out and subsequent restart?

If so...and they're both good.

How 'bout a play by play description of the engine running conditions...
Forum: Traditional Aircraft Engines 06-24-2017, 04:58 PM
Replies: 54
Views: 7,366
Posted By Tommycat
No, by all means DON'T insulate the Bowl!:eek: I...

No, by all means DON'T insulate the Bowl!:eek: I was asking if you had just insulated the PROBE. To get an accurate reading of the bowl temperature. Inaccurate readings are worthless and waste time...
Forum: Traditional Aircraft Engines 06-23-2017, 07:01 PM
Replies: 54
Views: 7,366
Posted By Tommycat
Don’t touch that jet!

Hi Snopercod,

To start I'd like to tell you I really enjoy your flight trip write-ups.:) Keep up the good work!

Sorry about your engine woes...It's been really HOT about the country.

I just have a...
Forum: RV-12 06-22-2017, 05:29 PM
Replies: 25
Views: 3,559
Posted By Tommycat
Mike, Thank you for that excellent...

Mike,
Thank you for that excellent schematic!:D



Lots of wires and pins here... I would recommend re-seating every connector paying particular attention to P2, a PCB interconnect and double...
Forum: RV-12 06-22-2017, 12:50 PM
Replies: 21
Views: 6,015
Posted By Tommycat
Scott, What circuit did the bad trace go too? Any...

Scott,
What circuit did the bad trace go too? Any other issues from the O.P.?

Thanks,
Forum: RV-12 06-18-2017, 06:47 PM
Replies: 25
Views: 3,559
Posted By Tommycat
Sorry fellas, I was not trying to create more...

Sorry fellas,
I was not trying to create more confusion... Only pointing out that I thought the downloaded version of the wiring diagram was wrong and incomplete. And that Jim would be confused if...
Forum: RV-12 06-18-2017, 02:34 PM
Replies: 25
Views: 3,559
Posted By Tommycat
Hi Jim, If your using the schematic downloaded...

Hi Jim,
If your using the schematic downloaded from Van's...somethings not right.:confused:

See Van's RV-12 D-180 schematic download HERE....
Forum: RV-12 06-17-2017, 09:43 PM
Replies: 25
Views: 3,559
Posted By Tommycat
After isolating the master relay from power I...

After isolating the master relay from power I would check the coil resistance. Battery terminal to front small terminal. I believe it should be about 15 ohms. (guess)
But I suspect it will be ether...
Forum: ADS-B 06-17-2017, 12:25 PM
Replies: 77
Views: 10,342
Posted By Tommycat
Hi Ray, Great post! An excellent textbook...

Hi Ray,
Great post! An excellent textbook example of ground loop noise elimination. All audio wiring shielded and terminated here also?
Would you consider sharing your wiring diagrams for the main...
Forum: ADS-B 06-14-2017, 06:27 PM
Replies: 77
Views: 10,342
Posted By Tommycat
Hi Ray, Now that's a close install! Definitely...

Hi Ray,

Now that's a close install! Definitely under the 3' recommended distance.

What ANR headset are you using? Or just passive?

What antenna are you using?

Thanks for the input! The more...
Forum: ADS-B 06-14-2017, 06:07 PM
Replies: 77
Views: 10,342
Posted By Tommycat
I believe in LUCK. But I also believe you make...

I believe in LUCK. But I also believe you make your own luck...;)

And along Bob's suggestion...N49ex has mentioned that he has some ferrites that go over your coax cable if you'd like to give that a...
Forum: ADS-B 06-12-2017, 12:47 PM
Replies: 77
Views: 10,342
Posted By Tommycat
RV aluminum aircraft update...

As interesting and bringing new problems and issues to light in composite and graphite airplane builds...as well as ground plane issues.

The 2 RV aircraft noise issues posted have not been...
Forum: ADS-B 06-04-2017, 03:08 PM
Replies: 77
Views: 10,342
Posted By Tommycat
Composite Pusher Aircraft...

Hi Andy,

An important question I have is... did you do all testing after making changes in the air? It's become apparent that the transponders output can be reflected off the concrete apron and up...
Forum: RV-10 05-28-2017, 09:18 AM
Replies: 11
Views: 1,498
Posted By Tommycat
If after properly isolating the suspected...

If after properly isolating the suspected components and verifying that the capacitor is shorted (no resistance to ground), and/or with having good leads and connectors the coil doesn't meet the...
Forum: RV-10 05-27-2017, 05:22 PM
Replies: 11
Views: 1,498
Posted By Tommycat
Good thread HERE......

Good thread HERE... (http://www.vansairforce.com/community/showthread.php?t=57512&highlight=primary+coil+resistance)

Resistance values of the windings are: coil measured .5 ohms primary/ 15k...
Forum: Engine Monitors 05-08-2017, 09:56 PM
Replies: 4
Views: 361
Posted By Tommycat
Non-mag tach transducer......

Non-mag tach transducer... (http://www.vansairforce.com/community/showpost.php?p=271958&postcount=1)

Parts from Vans......
Forum: ADS-B 05-06-2017, 01:57 PM
Replies: 77
Views: 10,342
Posted By Tommycat
Thread SUMMARY.

Long answer to a short question...:D

Yep this thread is getting a bit long in the tooth... let's see if I can summarize.

We are attempting to find the cause and elimination of squitter noise(1090ES...
Forum: ADS-B 05-05-2017, 03:43 PM
Replies: 55
Views: 11,592
Posted By Tommycat
Actually the point I was bringing up, although...

Actually the point I was bringing up, although some may be extremely weight conscious,:rolleyes: is the idea of coiling up loops of wire in an avionics bay. May be old school but just the notion...
Forum: ADS-B 05-05-2017, 03:21 PM
Replies: 77
Views: 10,342
Posted By Tommycat
Ahhhh the more the merrier!:D Hiyas j-red! ...

Ahhhh the more the merrier!:D

Hiyas j-red! Thinking back would you say the problem occurred whilst on or near the ground?
I don't know about the GMA-240 but the Stratus ESG manual mentions that it...
Forum: ADS-B 05-05-2017, 09:15 AM
Replies: 77
Views: 10,342
Posted By Tommycat
I was thinking along the very same lines Bob. I...

I was thinking along the very same lines Bob. I asked the builder what this material was and posted this picture to him, hoping that the material would make a good ground plane.

...
Forum: ADS-B 05-04-2017, 10:01 PM
Replies: 77
Views: 10,342
Posted By Tommycat
That is sure neat Don! What did you use as a test...

That is sure neat Don!
What did you use as a test ground plane? Do you consider graphite the equivalent of aluminum, ground plane wise?
Forum: ADS-B 05-04-2017, 03:35 PM
Replies: 77
Views: 10,342
Posted By Tommycat
Bob, here's the transponder antenna installation...

Bob, here's the transponder antenna installation instructions for the Lancair...Chapter 24 (http://lancair.com/aircraft_documents/Legacy/Chapter-24-MiscellaneousSystems.pdf)

I've been trying to...
Forum: ADS-B 05-04-2017, 02:24 PM
Replies: 77
Views: 10,342
Posted By Tommycat
Hiyas Steve with Garmin! Thanks for the...

Hiyas Steve with Garmin! Thanks for the reply.



So are you saying that anyone with a Bose A20 ANR headset walking around the perimeter of their aircraft on battery power will pick up this noise?...
Forum: ADS-B 05-03-2017, 07:37 PM
Replies: 77
Views: 10,342
Posted By Tommycat
Hi Andy, Good to hear from you. Sorry to see...

Hi Andy,

Good to hear from you. Sorry to see you haven't found the "magic pill" but glad you have an acceptable work around...

I did not sign up on the other forum to see all the many fixes...
Forum: RV General Discussion/News 04-30-2017, 09:42 PM
Replies: 42
Views: 19,653
Posted By Tommycat
Post number four..? Go here......

Post number four..?

Go here... (http://www.vansairforce.com/community/showthread.php?t=57412)
Forum: Electrical Systems 04-30-2017, 12:40 PM
Replies: 12
Views: 1,767
Posted By Tommycat
Can't find any information on the inner workings...

Can't find any information on the inner workings of the light...

If the voltage and wiring are correct, I'm afraid we're stuck. I don't think the grounding screw needs to be grounded in order for...
Forum: Electrical Systems 04-29-2017, 09:51 PM
Replies: 12
Views: 1,767
Posted By Tommycat
And what is your 12 vdc power source? Red wire...

And what is your 12 vdc power source?

Red wire wiring harness to 12 vdc +. And Black wire wiring harnes to 12 vdc -for Position lights Try first...lower amp draw. Is your source maintaining 9...
Forum: Electrical Systems 04-29-2017, 08:21 PM
Replies: 12
Views: 1,767
Posted By Tommycat
Is this the one your troubleshooting? Here...

Is this the one your troubleshooting? Here (http://aeroleds.com/wp-content/uploads/2015/05/0009-0005-Suntail-Installation.pdf)
Forum: ADS-B 04-28-2017, 03:54 PM
Replies: 55
Views: 11,592
Posted By Tommycat
Interesting... So when trying to hit the SWEET...

Interesting... So when trying to hit the SWEET spot. Which would be better?
A coiled up long piece of RG-400... or a 50 percent shorter piece of RG-174?:rolleyes:
Forum: Electrical Systems 04-27-2017, 06:48 PM
Replies: 10
Views: 1,871
Posted By Tommycat
My thoughts... To reduce...

My thoughts...

To reduce electrostatic/magnetically coupled noise keep high powered antagonists such as magneto p-leads, strobes, and any higher voltage, power switching devices away from easily...
Forum: RV General Discussion/News 04-13-2017, 12:09 PM
Replies: 15
Views: 1,823
Posted By Tommycat
Well done Charlie! Glad your making progress. ...

Well done Charlie! Glad your making progress.

It seems to me that there are more high frequency (1090 MHz) transponder interference issues becoming evident. Headphone noise ticks with the...
Forum: RV General Discussion/News 04-12-2017, 08:59 PM
Replies: 15
Views: 1,823
Posted By Tommycat
Charlie, have you taken a good look at all the...

Charlie, have you taken a good look at all the connector pins? Bent one...

And have you tried switching to anougther open serial connection? Number 8 perhaps? ( B7-white/green
B6-green)

Best...
Forum: RV Photo/Video URLs 04-12-2017, 04:03 PM
Replies: 26
Views: 20,550
Posted By Tommycat
I'll give it a try...Did my Flickr pic come...

I'll give it a try...Did my Flickr pic come thru?

And who's your avatar pilot?:)

Imgur pic.......Wow that was easy!


http://i.imgur.com/iFb7NV8.jpg

Flickr and Imgur pics visible?
Forum: RV Photo/Video URLs 04-12-2017, 02:14 PM
Replies: 26
Views: 20,550
Posted By Tommycat
Rodger that Charlie! Ahhhhh, I think I found...

Rodger that Charlie!

Ahhhhh, I think I found the problem! On Flickr I had it locked.:rolleyes: (private view only, changed to public..)

See if that helped, and let me know!
Forum: RV Photo/Video URLs 04-12-2017, 09:20 AM
Replies: 26
Views: 20,550
Posted By Tommycat
Thats odd....

Hey, Thanks for the heads up!

It's showing up on my screen...????..... what the...:eek:

Any ideas?


Wait a minute.... Are you seeing the Big Blue Square? With 800 Pixels inside?
If so that...
Forum: RV Photo/Video URLs 04-11-2017, 04:24 PM
Replies: 26
Views: 20,550
Posted By Tommycat
Just a little clean-up on the html coding required...

https://c1.staticflickr.com/4/3816/33419260982_47f33abfd4_c.jpg
Forum: ADS-B 04-08-2017, 10:51 AM
Replies: 77
Views: 10,342
Posted By Tommycat
Hi Chuck...Just a couple things. Are you using a...

Hi Chuck...Just a couple things. Are you using a GMA 240 or 340 also?

And instead of touching the pedals...would the noise decease if you where to say, touch a known aircraft ground?
Forum: ADS-B 04-06-2017, 12:48 PM
Replies: 77
Views: 10,342
Posted By Tommycat
Hi Andy, Please clarify if you would.... Does...

Hi Andy,
Please clarify if you would....




Does the 245 correct the problem in both the passive and active headset modes? Was this accomplished with just a slip in and out install?


For Steve @...
Forum: RV Photo/Video URLs 04-03-2017, 03:45 PM
Replies: 26
Views: 20,550
Posted By Tommycat
:o Now he tells me....:D. I'm...

:o


Now he tells me....:D. I'm interested...Got a link?


T.C.
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