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Search: Posts Made By: rwtalbot
Forum: Safety 10-07-2021, 05:06 AM
Replies: 19
Views: 1,840
Posted By rwtalbot
'get-down-itis'

In an RV “get-down-itis” is at least as dangerous as “get-there-itis”. Most of us figure out early on that it is easy to climb through a very small hole due to power margin. BUT - It turns out to be...
Forum: Traditional Aircraft Engines 01-10-2021, 09:07 PM
Replies: 301
Views: 71,973
Posted By rwtalbot
Just one person's opinion, but that benefits...

Just one person's opinion, but that benefits Superior to not have to remanufacture crankshafts but will be cold comfort to anyone with one of these engines. It still requires removal, bulk strip, and...
Forum: Traditional Aircraft Engines 09-22-2020, 10:42 PM
Replies: 11
Views: 2,532
Posted By rwtalbot
Interesting, mine was built in 2006 and made some...

Interesting, mine was built in 2006 and made some metal in the first filter. I have overhauled a few engines since then and none have ever looked quite like that. Another builder on the field had the...
Forum: Electronic Ignition Systems 03-14-2020, 05:59 PM
Replies: 43
Views: 11,337
Posted By rwtalbot
More Secret Sauce

After 12 years dealing with EMAG I would suggest this is expected. They started out registering a patent to put a generator in an electronic ignition and mount it all in one package on the aircraft....
Forum: Electronic Ignition Systems 03-09-2020, 12:46 AM
Replies: 12
Views: 2,771
Posted By rwtalbot
It works out really well if you didn't install...

It works out really well if you didn't install the jumper and still on the factory B curve. Nothing to come loose or break. Update my previous post.
Forum: Electronic Ignition Systems 03-08-2020, 11:35 PM
Replies: 12
Views: 2,771
Posted By rwtalbot
Best power is ~25* BTDC for most of us....

Best power is ~25* BTDC for most of us. Additional advance will make CHTs hotter and reduce climb/top speed performance. That is why many PMAG users are now running A curve or retarding the timing by...
Forum: Electronic Ignition Systems 03-08-2020, 11:26 PM
Replies: 12
Views: 1,854
Posted By rwtalbot
Climbing higher is a good option if operational...

Climbing higher is a good option if operational issues don't prevent that.

My ECI engine has cam squirts, a cold air (hot oil) induction and super corrosion resistant (extra blow by, too hard for...
Forum: Electronic Ignition Systems 03-08-2020, 03:34 AM
Replies: 12
Views: 1,854
Posted By rwtalbot
Yes its interesting. The "standard" approach,...

Yes its interesting. The "standard" approach, common across most of the vendors I have looked at seems to be to start at about 25-24 inches MP and advance 2 degrees over base engine timing for every...
Forum: Traditional Aircraft Engines 03-04-2020, 11:36 PM
Replies: 301
Views: 71,973
Posted By rwtalbot
Having seen a number of these types of issues...

Having seen a number of these types of issues with cranks and cylinders, I would say that the manufacturers seldom go down easily. Not that I am implying that anyone does anything untoward, but there...
Forum: Electronic Ignition Systems 02-27-2020, 07:14 PM
Replies: 12
Views: 1,854
Posted By rwtalbot
G'day Ross, I enjoyed watching the video, but one...

G'day Ross, I enjoyed watching the video, but one observation I made is that just about every ignition system on the market would probably been running maximum advance (~14-18*) at 17 In Hg. Your...
Forum: RV General Discussion/News 01-25-2020, 12:18 AM
Replies: 15
Views: 2,798
Posted By rwtalbot
Personal opinion only, but I agree. If you take...

Personal opinion only, but I agree. If you take out your calculator and compare the actual swept volume you might conclude that the claimed performance figures are snake oil. Certainly the questions...
Forum: Electronic Ignition Systems 01-24-2020, 11:51 PM
Replies: 278
Views: 134,564
Posted By rwtalbot
Hey Colin, that would be handy. We need enough to...

Hey Colin, that would be handy. We need enough to do at least 6-8 units over here.
Forum: Electronic Ignition Systems 01-23-2020, 09:55 PM
Replies: 278
Views: 134,564
Posted By rwtalbot
Hey Larry, No offense taken or implied. There are...

Hey Larry, No offense taken or implied. There are lots of people on here with a low more knowledge and practical experience then I have. That's why I asked.

In the Slick both inner and outer races...
Forum: Electronic Ignition Systems 01-23-2020, 08:12 PM
Replies: 278
Views: 134,564
Posted By rwtalbot
The data I have here indicates that at 100C you...

The data I have here indicates that at 100C you can expect the deviation of clearance/interference of .0018" on a 40mm bearing bore. To me that indicates why the Slick is bored 0.002 under as once up...
Forum: Electronic Ignition Systems 01-23-2020, 06:27 PM
Replies: 278
Views: 134,564
Posted By rwtalbot
This is a good idea. It is also possible that the...

This is a good idea. It is also possible that the unit could be exposed to water from an enthusiastic degreasing. It is always best to allow the fluids out. I have seen electronic circuit boards...
Forum: Electronic Ignition Systems 01-23-2020, 06:25 PM
Replies: 278
Views: 134,564
Posted By rwtalbot
Detailing Bearings

Thanks for the updated diagram Dan. I'm wondering what your thoughts on detailing the bearings are? Figuring to reverse engineers something with some service history, I measured 0.002" interference...
Forum: Electronic Ignition Systems 01-14-2020, 03:38 AM
Replies: 278
Views: 134,564
Posted By rwtalbot
Interesting, so you have an O-ring seal at the...

Interesting, so you have an O-ring seal at the top or is that grove for bearing retention?

How are you attaching the gear to the shaft? Loctite 638 might be an option with interference fit, or is...
Forum: Electronic Ignition Systems 01-03-2020, 12:37 AM
Replies: 278
Views: 134,564
Posted By rwtalbot
Thanks Colin, I had issues with the first one...

Thanks Colin, I had issues with the first one too. On the second one I found an angle grinder removed most of it. I then carefully removed the remainder with the lathe.
Forum: Electronic Ignition Systems 01-02-2020, 05:13 PM
Replies: 278
Views: 134,564
Posted By rwtalbot
Removing the rotor?

How do you remove the magnet/rotor assembly from the shaft? Is it a press fit?

Thanks
Richard
Forum: RV General Discussion/News 02-16-2018, 02:32 PM
Replies: 3
Views: 1,096
Posted By rwtalbot
We were going to use Marvin's. I asked around and...

We were going to use Marvin's. I asked around and some of our local airshow performers use smoking airplanes. Seems like either are good.
Forum: RV General Discussion/News 02-15-2018, 02:50 PM
Replies: 3
Views: 1,096
Posted By rwtalbot
Best Smoke Injectors?

Just wondering if some of the formation teams have some pointers on the best smoke injectors out there? I have looked at Marvin's, Smoking Airplanes etc. All basically look like stainless steel water...
Forum: Instrument Flight Rules 10-25-2017, 12:26 AM
Replies: 21
Views: 3,075
Posted By rwtalbot
If your clearance/intention was to circle you...

If your clearance/intention was to circle you should not descend below the circling minima unless you are visual at the circling minima. In Australia to circle you must remain in the circling area...
Forum: RV General Discussion/News 10-16-2017, 02:07 PM
Replies: 34
Views: 9,454
Posted By rwtalbot
EGT's?

Scott, What sort of EGTs and CHTs are you running on your engine normally? We have a few of these ECI cylinders and I'm interested in your experience with replacing valves. I had one set do 350 hours...
Forum: Glass Cockpit 10-15-2017, 06:21 PM
Replies: 38
Views: 29,551
Posted By rwtalbot
Issues with GTX 330ES transponder

I did the update over the weekend and it looks like I have lost connectivity to my GTX 330ES transponder. The GTX is running software version 8.02 and cannot be controlled by the GTN 650 anymore. I...
Forum: RV General Discussion/News 09-21-2017, 04:24 AM
Replies: 34
Views: 7,692
Posted By rwtalbot
I see where you are going but I suspect you are...

I see where you are going but I suspect you are being somewhat elitest. I built and own one aircraft. I do cross country flying, day, night, IFR and just getting into aeros. The RV series are a...
Forum: RV-7/7A 08-04-2017, 05:01 AM
Replies: 1
Views: 1,018
Posted By rwtalbot
Garmin GAP-25 Pitot Tube Problems

Not long after I installed my Garmin GAP-26 heated pitot tube the plating came off the front. I think it was caused by flying through rain. Over time the front of the tube has corroded. It’s not a...
Forum: RV-14 07-30-2017, 05:54 PM
Replies: 193
Views: 148,001
Posted By rwtalbot
When you hit something soft it takes a dent. If...

When you hit something soft it takes a dent. If you hit a harder material it cracks. That has been the experience on MT blades for years. Perhaps the Harzell doesn't suffer as much. If it were me I...
Forum: RV-14 07-29-2017, 09:02 PM
Replies: 193
Views: 148,001
Posted By rwtalbot
For most of us the Hartzell prop sold by Vans...

For most of us the Hartzell prop sold by Vans provides the best performance, is more durable and costs the least to buy and own.

Whirlwind have significantly higher overhaul requirements. Depending...
Forum: RV Ongoing Maintenance Issues 07-15-2017, 06:27 PM
Replies: 118
Views: 45,327
Posted By rwtalbot
Our local engine shop prefers 5 min/high strength...

Our local engine shop prefers 5 min/high strength epoxy for experimental. They say it virtually eliminates this issue.
Forum: My RV Build Project 05-01-2017, 01:00 AM
Replies: 216
Views: 134,571
Posted By rwtalbot
Nice one Bruce. I put mine off for 8 years and...

Nice one Bruce. I put mine off for 8 years and had many of the same dramas you list on your building log. I thought I recognised the designer when I saw your pictures. Jonathan did my scheme as well....
Forum: RV General Discussion/News 04-23-2017, 02:56 AM
Replies: 10
Views: 3,086
Posted By rwtalbot
MEK when wet. Acetone doesnt work well at all. Be...

MEK when wet. Acetone doesnt work well at all. Be careful with the MEK
Forum: GPS 04-11-2017, 04:02 AM
Replies: 7
Views: 2,027
Posted By rwtalbot
I went the other way and upgraded to the GTN 650....

I went the other way and upgraded to the GTN 650. The IFD doesn't interface with the Garmin 330ES for 1090ES etc. Yes I had to replace the tray and rewire the connectors - actually swap pins but IMO...
Forum: RV General Discussion/News 02-05-2017, 03:59 PM
Replies: 20
Views: 6,428
Posted By rwtalbot
While the panel may be dated the IFD 540 and HSI...

While the panel may be dated the IFD 540 and HSI are worth quite a bit on their own. I might be tempted to part it out or change the panel if all you can only get $50k for it. Many buyers don't...
Forum: Electronic Ignition Systems 02-05-2017, 03:42 PM
Replies: 278
Views: 134,564
Posted By rwtalbot
To compare the reliability of a home brewed, one...

To compare the reliability of a home brewed, one of a kind crankshaft position sensor installation with a component that is the subject of numerous SBs and has 60+ years and millions of hours in...
Forum: Electronic Ignition Systems 02-02-2017, 02:50 AM
Replies: 278
Views: 134,564
Posted By rwtalbot
Dan, I don't disagree there are some...

Dan,

I don't disagree there are some considerations with the rear pickup and its engineering. However, I think you have somewhat understated the risk associated with two pickups on the crankshaft as...
Forum: Electronic Ignition Systems 01-31-2017, 04:05 AM
Replies: 278
Views: 134,564
Posted By rwtalbot
I also have a 6 cyl engine I'd like to try this...

I also have a 6 cyl engine I'd like to try this with. I'm looking at putting one trigger on the front of the crank, and one on the rear for added safety. By my calculations an 18 tooth mag drive gear...
Forum: RV Ongoing Maintenance Issues 01-14-2017, 02:57 PM
Replies: 118
Views: 45,327
Posted By rwtalbot
Its lead, you are running a centrifuge there. The...

Its lead, you are running a centrifuge there. The lead collects in anything that spins including accessory case gears.

To me it seems like that seal may not have been put in properly as there isn't...
Forum: Propellers 01-14-2017, 01:51 PM
Replies: 9
Views: 3,247
Posted By rwtalbot
Van's 3 blade props are MTV 12B hubs for the 360...

Van's 3 blade props are MTV 12B hubs for the 360 and 540. The only difference is the blades.
Forum: Propellers 01-14-2017, 12:49 AM
Replies: 9
Views: 3,247
Posted By rwtalbot
If it is the MTV-12-B/183-59B then it is the...

If it is the MTV-12-B/183-59B then it is the correct prop. If not we have a number over here that are low time and in great condition. They are time expired but 6-800 hours and very inexpensive as...
Forum: Electronic Ignition Systems 01-13-2017, 01:40 PM
Replies: 278
Views: 134,564
Posted By rwtalbot
If I understand this system correctly the EDIS is...

If I understand this system correctly the EDIS is capable of running without the ECU/Megajolt and will fire at 10 degrees BTC. If one were to position the pickup so that corresponds with 25 degrees...
Forum: RV General Discussion/News 10-21-2016, 05:47 PM
Replies: 12
Views: 3,442
Posted By rwtalbot
Depends upon your mission, available funds and...

Depends upon your mission, available funds and level of acceptable risk.

I would be wanting to positively establish exactly what happened that caused the engine to be salvaged and what inspections...
Forum: Traditional Aircraft Engines 03-06-2016, 11:07 PM
Replies: 63
Views: 23,047
Posted By rwtalbot
Good catch Kevin. To have such an issue in four...

Good catch Kevin. To have such an issue in four years, I would be highly suspicious about the heat treating. The intake lobes are shared so they do twice the work and take out the other lifter if...
Forum: RV-10 03-01-2016, 02:06 AM
Replies: 7
Views: 2,631
Posted By rwtalbot
Well, their market value is always going to be...

Well, their market value is always going to be somewhat less than the cost of the new kit. If your other half is insisting the kit is worth as much as a new Cessna its probably not (been there). Does...
Forum: RV General Discussion/News 11-19-2015, 03:05 AM
Replies: 10
Views: 3,581
Posted By rwtalbot
If you are buying a new engine you will be having...

If you are buying a new engine you will be having Dynafocal I. I'd be surprised if you can get either type in a new engine. I believe Vans has stopped making the other engine mounts on some models,...
Forum: RV General Discussion/News 11-06-2015, 12:00 AM
Replies: 48
Views: 11,645
Posted By rwtalbot
I just put another one in so I'd say we are at...

I just put another one in so I'd say we are at the 25 mark now.
Forum: Traditional Aircraft Engines 10-26-2015, 03:21 PM
Replies: 35
Views: 5,485
Posted By rwtalbot
Bret, I think you would have to buy an engine...

Bret, I think you would have to buy an engine like that from Aerosport Power or similar and do their owner assisted build. Putting these things together only takes the experts 6 hours or so and it...
Forum: RV-8/8A 10-12-2015, 02:22 AM
Replies: 6
Views: 1,668
Posted By rwtalbot
I would dimple the skins and baffle. I followed...

I would dimple the skins and baffle. I followed the plans on my first set, but over CS is a common error. If the rivets work they can leak later. IMO you are better to dimple and work a little harder...
Forum: RV General Discussion/News 10-02-2015, 12:24 AM
Replies: 22
Views: 5,926
Posted By rwtalbot
I think you will find the majority of builders...

I think you will find the majority of builders around the world buy their tools from 3 of 4 major suppliers in the US. I'm an Aussie so I don't care if I buy Chinese or USA product. I just want a...
Forum: RV-7/7A 08-16-2015, 07:55 PM
Replies: 53
Views: 12,977
Posted By rwtalbot
I debated if I should post at all on this thread...

I debated if I should post at all on this thread and I got most of the responses I expected. I provided some information to the original poster who wanted to understand RV-7A W&B. In my experience it...
Forum: RV-7/7A 08-15-2015, 01:54 AM
Replies: 53
Views: 12,977
Posted By rwtalbot
I'm not sure what numbers you are running. My 7A...

I'm not sure what numbers you are running. My 7A came to 1,135 lbs and 77.9 in with a Hartzell CS prop. I can get two 200 lb people in, fill the baggage compartment (100 lbs) and the tanks and stay...
Forum: International 08-10-2015, 10:06 PM
Replies: 13
Views: 4,197
Posted By rwtalbot
Bankwest now has a credit card with no...

Bankwest now has a credit card with no international conversion charges for those times you can't use Ozforex.

Freight is the real killer and you can save a lot in that area. Many US aviation...
Forum: Tools 07-23-2015, 03:46 AM
Replies: 6
Views: 2,290
Posted By rwtalbot
Air Tool Mufflers or Silencers?

Has anyone done anything to quieten down their air drill or rivet gun? My neighbour doesn't like the air drill - says it reminds him of the dentist. I would think that there is not a lot you can do...
Forum: RV-7/7A 07-23-2015, 03:26 AM
Replies: 22
Views: 5,679
Posted By rwtalbot
My RV7 has 180+Hp and a CS prop. The RV8 I am...

My RV7 has 180+Hp and a CS prop. The RV8 I am building is getting an IO-375 and CS prop. You can figure out what I think. Someone else nearby just took the fixed pitch prop off his RV7 and...
Forum: Glass Cockpit 07-21-2015, 05:53 PM
Replies: 8
Views: 4,401
Posted By rwtalbot
If its a certified standby EFIS in a small...

If its a certified standby EFIS in a small package you are after Sandia already sell the SAI 340 Quattro for just under $3k. This price would could even make them more expensive than the Aspen units...
Forum: RV-14 07-21-2015, 07:47 AM
Replies: 193
Views: 148,001
Posted By rwtalbot
Rocky, As a fellow Aussie I feel your pain. I...

Rocky,

As a fellow Aussie I feel your pain. I suspect that many RV14 builders will be looking at the IO-382 or IO-375 to save some weight. At $35k the IO-390 is probably not that much more...
Forum: RV-8/8A 06-22-2015, 05:25 AM
Replies: 8
Views: 2,566
Posted By rwtalbot
Now just grind the side of the washer to clear...

Now just grind the side of the washer to clear the weldment and it will fit.
Forum: Traditional Aircraft Engines 06-16-2015, 06:48 PM
Replies: 0
Views: 993
Posted By rwtalbot
Reconditioned Lifters

I have about three engines worth of cam, lifter, plungers and caps here. I was looking at sending them back to Aircraft Specialties for overhaul. I'm wondering what the consensus is?

On the one...
Forum: Traditional Aircraft Engines 06-16-2015, 06:43 PM
Replies: 9
Views: 2,789
Posted By rwtalbot
Hi Chris, The Lycoming method is expensive and...

Hi Chris,

The Lycoming method is expensive and not ideal. I would go to the auto store and buy the cheapest mineral oil you can get. Plug all the holes and fill it up. It takes about 36 qts on a...
Forum: Traditional Aircraft Engines 05-19-2015, 10:13 AM
Replies: 30
Views: 10,212
Posted By rwtalbot
That's interesting. I'd be interested in the...

That's interesting. I'd be interested in the basis for 2 thou limits on the valve stem vs. 1 thou per 100 hours on the valve guide (according to Lycoming SB 388C). Is there something about the...
Forum: RV-8/8A 05-14-2015, 02:24 AM
Replies: 3
Views: 1,834
Posted By rwtalbot
That's good thanks. I rang the factory and they...

That's good thanks. I rang the factory and they didn't seem to think it should look like that. I guess a picture is worth 1,000 words!
Forum: RV-8/8A 05-13-2015, 08:13 PM
Replies: 3
Views: 1,834
Posted By rwtalbot
RV-8 Gear Leg Alignment

I'm working on aligning and drilling the RV8 gear legs. I have run into a snag. It appears I will need to grind the rear corner from the F-802K-1 L.G. FWD cross member in order to insert the rear NAS...
Forum: Traditional Aircraft Engines 05-13-2015, 05:12 AM
Replies: 30
Views: 10,212
Posted By rwtalbot
Interesting, where were they taking the oil from?

Interesting, where were they taking the oil from?
Forum: Traditional Aircraft Engines 05-13-2015, 04:50 AM
Replies: 30
Views: 10,212
Posted By rwtalbot
An extension to Marvel and Scott's work seems to...

An extension to Marvel and Scott's work seems to point to an effective way to improve oil supply to the right side cylinders. Simply crank up the oil pressure as per the late model 172 and...
Forum: Traditional Aircraft Engines 05-12-2015, 07:10 PM
Replies: 30
Views: 10,212
Posted By rwtalbot
Very interesting. Those articles definitely...

Very interesting. Those articles definitely point to high EGTs, inadequate cooling and poor cylinder finishing as the likely root cause. I can't really say that these cylinders have got overly...
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