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Search: Posts Made By: DanH
Forum: Electronic Ignition Systems Yesterday, 06:39 AM
Replies: 27
Views: 2,377
Posted By DanH
1/4" perimeter bolts: 96 to 108 inlbs 3/8" case...

1/4" perimeter bolts: 96 to 108 inlbs
3/8" case studs: 25 ftlbs
7/16" case studs: 35 ftlbs
1/2" case studs: 50 ftlbs
Forum: Electronic Ignition Systems 11-22-2017, 05:54 PM
Replies: 171
Views: 45,906
Posted By DanH
Had a note today from Autosport Labs. Want a...

Had a note today from Autosport Labs. Want a Megajolt/E controller for your EDIS-based ignition? Black Friday Sale....15% off. Coupon code ASL15OFF

https://www.autosportlabs.com/
Forum: Alternative Engines 11-22-2017, 05:47 PM
Replies: 43
Views: 13,432
Posted By DanH
Lycoming says an IO-360-A3B6 is 325 lbs w/ mags,...

Lycoming says an IO-360-A3B6 is 325 lbs w/ mags, injection, and starter, dry. No baffles, exhausts, hoses, cooler, or alternators.
Forum: Nosewheel vs. Tailwheel 11-22-2017, 03:49 PM
Replies: 14
Views: 1,599
Posted By DanH
Mel, that's good pay-it-forward advice. I got a...

Mel, that's good pay-it-forward advice.

I got a flight review in a 152. I'd never flown one before. Third landing, the non-tailwheel CFI exclaimed "You don't need to get the nose that high in the...
Forum: Safety 11-22-2017, 09:33 AM
Replies: 205
Views: 14,445
Posted By DanH
Previously I wrote: I've since been doing some...

Previously I wrote:



I've since been doing some research, gathering information about ND units, and dismantling a spare Plane Power alternator. Right now I have a question in with the ND tech...
Forum: RV-8/8A 11-22-2017, 06:40 AM
Replies: 7
Views: 970
Posted By DanH
Think about head and face impact back there. ...

Think about head and face impact back there. Strictly opinion, but...

The iPad doesn't look to bad, and gets better if the mount is easily collapsed; no struts please. The standard EFIS appears...
Forum: Electrical Systems 11-20-2017, 06:46 PM
Replies: 71
Views: 5,457
Posted By DanH
....from the other thread. Thanks. You've...

....from the other thread.

Thanks. You've covered the details. Good work!



It could be worthwhile to check some of the ND's for built-in OV protection.
Forum: Safety 11-19-2017, 12:50 PM
Replies: 205
Views: 14,445
Posted By DanH
Only true if the field winding has an internal...

Only true if the field winding has an internal connection to the stator windings, typically via a set of excitation diodes. Mr. Sullivan does not make that clear in...
Forum: Safety 11-19-2017, 07:46 AM
Replies: 205
Views: 14,445
Posted By DanH
Just to confirm...IG only, no other connections,...

Just to confirm...IG only, no other connections, like the photo?



The 20 amps at 14 volts tells the tale, more than enough for self-excitement if there was an internal stator-to-rotor path.
Forum: Safety 11-19-2017, 07:33 AM
Replies: 205
Views: 14,445
Posted By DanH
Excellent. Can you post a part number or other...

Excellent. Can you post a part number or other model ID?



EarthX probably took a $100,000 sales hit to bring the message that OV protection is required. See post#1.



Yes.
Forum: Safety 11-18-2017, 12:57 PM
Replies: 205
Views: 14,445
Posted By DanH
If you trust the Plane Power regulator's built in...

If you trust the Plane Power regulator's built in OV crowbar circuit, nothing additional is required except a 5 amp breaker for the field wire.
Forum: Safety 11-18-2017, 07:25 AM
Replies: 205
Views: 14,445
Posted By DanH
Hardly. As Charlie said, it just means the...

Hardly. As Charlie said, it just means the alternator you're using is not internally wired like the posted...
Forum: Safety 11-17-2017, 08:36 AM
Replies: 205
Views: 14,445
Posted By DanH
You must have missed the memo. It does not pose...

You must have missed the memo. It does not pose a fire hazard. It poses a huge smoke hazard.

Quit fooling around. You want to use an EarthX, then install OV protection as EarthX specifies. ...
Forum: Safety 11-17-2017, 08:26 AM
Replies: 205
Views: 14,445
Posted By DanH
Very general, and doesn't address the stator feed...

Very general, and doesn't address the stator feed to the rotor field.



In the Toyota alternator diagram you posted in the other thread, the stator unquestionably feeds the rotor field. Take...
Forum: Safety 11-16-2017, 07:21 PM
Replies: 205
Views: 14,445
Posted By DanH
I can't speak for everyone, but no, "S" and "B"...

I can't speak for everyone, but no, "S" and "B" are both buss voltage, while "IG" (Terminal 3) is best described as a field lead. With the ignition on, prior to start, it supplies battery voltage...
Forum: Safety 11-16-2017, 03:41 PM
Replies: 205
Views: 14,445
Posted By DanH
Can't speak for the EarthX, but you might fry...

Can't speak for the EarthX, but you might fry some avionics.

Given the low cost and simplicity of OV devices, going without is like trusting a fart.
Forum: Safety 11-16-2017, 05:48 AM
Replies: 205
Views: 14,445
Posted By DanH
The field wire is a power supply. The issue is...

The field wire is a power supply. The issue is how the internal voltage regulator is designed.

Traditional auto alternators of this type draw power via the field wire for initial excitement during...
Forum: RV Building Tips/Techniques 11-15-2017, 08:13 AM
Replies: 12
Views: 1,542
Posted By DanH
In summary... It may or may not be necessary to...

In summary...

It may or may not be necessary to fill the open hole. However, there are potential advantages to filling the open hole, and there is no disadvantage.

I would only add that open...
Forum: Tools 11-15-2017, 07:47 AM
Replies: 11
Views: 511
Posted By DanH
After drilling a test hole in your scrap...

After drilling a test hole in your scrap plexiglass, pull out a 10x magnifier and look close. If there is an issue with your bit or drilling technique, you may find radial cracks not large enough to...
Forum: RV General Discussion/News 11-14-2017, 09:39 AM
Replies: 83
Views: 18,291
Posted By DanH
Normal, typical on both counts, lots of previous...

Normal, typical on both counts, lots of previous discussion in the archives. The rudder is not 100% static balanced.
Forum: RV Building Tips/Techniques 11-13-2017, 04:14 PM
Replies: 48
Views: 11,657
Posted By DanH
I can't see much advantage to a flexible balloon...

I can't see much advantage to a flexible balloon plenum lid as compared to a hard shell lid, except maybe a little less load on the engine attach points, i.e less cracking of the aluminum sheet...
Forum: Fuel Injection Systems 11-13-2017, 10:06 AM
Replies: 11
Views: 1,606
Posted By DanH
Both vendors are staffed with personable people. ...

Both vendors are staffed with personable people. If I had to pick a human-factors question, it would be "Will support continue if the principal is no longer there?"

Moving to the technical side...
Forum: RV General Discussion/News 11-11-2017, 08:23 AM
Replies: 70
Views: 9,431
Posted By DanH
It can be done safely, given the right training...

It can be done safely, given the right training and equipment. As evidence, I offer the story of Ed Long, generally accepted as the highest time pilot in the history of the world (about 65,000...
Forum: RV General Discussion/News 11-11-2017, 07:34 AM
Replies: 33
Views: 3,128
Posted By DanH
Ahhh, note the beard. That's from "Mirror,...

Ahhh, note the beard. That's from "Mirror, Mirror", in which an evil barbarian Spock from an alternative universe sucks McCoy's brain dry to determine how he might dominate and control VAF.
Forum: RV General Discussion/News 11-10-2017, 06:09 PM
Replies: 33
Views: 3,128
Posted By DanH
Ok, I'll bite...what osmosis machine?

Ok, I'll bite...what osmosis machine?
Forum: RV General Discussion/News 11-10-2017, 08:04 AM
Replies: 33
Views: 3,128
Posted By DanH
I'd suggest "number of RVs completed" is not a...

I'd suggest "number of RVs completed" is not a much of a yardstick either. We have guys here who have done multiple custom and race cars. We have aircraft restorers, designers, and multi-time...
Forum: Fiberglass 11-10-2017, 07:02 AM
Replies: 8
Views: 418
Posted By DanH
No, no, no, no.... Shim the fastener strip...

No, no, no, no....

Shim the fastener strip inward, as Bob and Bill describe, so the outside surface of the cowl is flush with the forward aluminum skin.

As for beveling the edge of the fiberglass,...
Forum: RV General Discussion/News 11-09-2017, 03:03 PM
Replies: 33
Views: 3,128
Posted By DanH
Post Counts

I've noticed a trend. When folks go personal, one of the digs seems to be post count. We had one earlier today ("For many of you, your number of VAF posts is astounding; an apparent attempt to...
Forum: RV General Discussion/News 11-09-2017, 02:12 PM
Replies: 70
Views: 9,431
Posted By DanH
A low probability of LOC.

A low probability of LOC.
Forum: RV General Discussion/News 11-09-2017, 01:26 PM
Replies: 70
Views: 9,431
Posted By DanH
Bugsy, you've studied the issue. What give me...

Bugsy, you've studied the issue. What give me pause in your story is the "surprise factor". Is 30 seconds typical? Why don't pilots transition to the gauges? Is there a demonstrated difference...
Forum: Fuel Injection Systems 11-09-2017, 11:08 AM
Replies: 28
Views: 2,264
Posted By DanH
My intent was not to "call 'em out". I think...

My intent was not to "call 'em out". I think readers really would like to hear a factual explanation of why Robert believes each of his supplied components is better than the SDS-supplied equivalent.
Forum: Fuel Injection Systems 11-08-2017, 04:18 PM
Replies: 28
Views: 2,264
Posted By DanH
Ok, factual questions. What hardware and/or...

Ok, factual questions. What hardware and/or software was different, and why is the EFII-supplied component better than the comparable SDS component?

Setting the ECU aside, we have:

Fuel...
Forum: RV General Discussion/News 11-08-2017, 03:46 PM
Replies: 74
Views: 8,212
Posted By DanH
What Bill said. I doubt they are throwing away...

What Bill said. I doubt they are throwing away the tooling.
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-06-2017, 03:03 PM
Replies: 3
Views: 302
Posted By DanH
Marvin had tanks on display at PJ....really nice...

Marvin had tanks on display at PJ....really nice welding.
Forum: RV-10 11-06-2017, 02:08 PM
Replies: 26
Views: 2,091
Posted By DanH
Fair point. Probably yes.

Fair point. Probably yes.
Forum: RV General Discussion/News 11-06-2017, 01:27 PM
Replies: 44
Views: 7,492
Posted By DanH
BTW gang, next time you see Scroll, make him sing...

BTW gang, next time you see Scroll, make him sing the fighter pilot song ;)
Forum: RV-10 11-06-2017, 12:28 PM
Replies: 26
Views: 2,091
Posted By DanH
Don't really want stainless tape for this...

Don't really want stainless tape for this application. Melting is desirable to vent the overlap seam.

Take a look at Polyken...
Forum: RV General Discussion/News 11-06-2017, 12:15 PM
Replies: 70
Views: 9,431
Posted By DanH
Naaa, I didn't miss it. Look at the other posts,...

Naaa, I didn't miss it. Look at the other posts, many of which go something like "If I enter a cloud I shall surely die". While Bugsy's lesson is "Quit looking outside and get on the gauges right...
Forum: RV General Discussion/News 11-06-2017, 09:42 AM
Replies: 44
Views: 7,492
Posted By DanH
Yeah, that was about the best PJ yet....a...

Yeah, that was about the best PJ yet....a collection of friends from the moment we stepped out of the airplane.
Forum: RV General Discussion/News 11-06-2017, 09:33 AM
Replies: 70
Views: 9,431
Posted By DanH
Has something changed? I do not for a moment...

Has something changed? I do not for a moment discount the potential dangers of VFR into IMC, but simple loss of control should not a significant factor for anyone who can meet ordinary private pilot...
Forum: RV-10 11-05-2017, 05:03 PM
Replies: 26
Views: 2,091
Posted By DanH
You installed fire transfer material. Search...

You installed fire transfer material.

Search "firewall insulation".
Forum: RV-10 11-05-2017, 08:10 AM
Replies: 26
Views: 2,091
Posted By DanH
Weight savings compared to SS foil? Just...

Weight savings compared to SS foil? Just curious. Any savings is a plus.

Application notes:

Given fire exposure, the binder in the fiberfrax and some volatile components in the Firebarrier 2000...
Forum: Primers 11-05-2017, 07:20 AM
Replies: 14
Views: 869
Posted By DanH
Just finish it like the outside...seal, prime,...

Just finish it like the outside...seal, prime, paint. Maximum adhesion of the reflective aluminum foil depends on surface quality.
Forum: RV Building Tips/Techniques 11-01-2017, 07:49 PM
Replies: 73
Views: 6,376
Posted By DanH
Compromise is the enemy of quality

Compromise is the enemy of quality
Forum: RV General Discussion/News 11-01-2017, 04:58 PM
Replies: 17
Views: 1,891
Posted By DanH
I didn't pull that number out of my butt.

I didn't pull that number out of my butt.
Forum: Traditional Aircraft Engines 11-01-2017, 02:06 PM
Replies: 29
Views: 2,865
Posted By DanH
That would be great.

That would be great.
Forum: Traditional Aircraft Engines 10-31-2017, 09:30 AM
Replies: 29
Views: 2,865
Posted By DanH
Random stuff. One of the Hartzell SBs says... ...

Random stuff.

One of the Hartzell SBs says...

(2) Propellers that are improperly lubricated, or leak grease, leave greaseless areas in the bearing. These greaseless areas can accumulate moisture...
Forum: Trip Write-ups 10-31-2017, 08:04 AM
Replies: 9
Views: 1,656
Posted By DanH
I like the purple. Weight aside, it's hard to...

I like the purple. Weight aside, it's hard to beat base/clear pearls and metallics.

Minor photo comment...those Yaks are actually Chinese Nanchang CJ-6's. Spotter tips; squared fin, bent wings,...
Forum: RV General Discussion/News 10-31-2017, 07:23 AM
Replies: 17
Views: 1,891
Posted By DanH
Yep, nice. Remember, the key issue with the oil...

Yep, nice.

Remember, the key issue with the oil door and hinge is how much it will flex.

The inside of the cowl is pressurized. Check it in the shop by placing the cowl upside down on sawhorses...
Forum: RV General Discussion/News 10-30-2017, 05:35 PM
Replies: 19
Views: 2,013
Posted By DanH
Alternator overvoltage protection required with...

Alternator overvoltage protection required with EarthX. You should have it anyway, unless you hate your electronics.
Forum: Fuel Injection Systems 10-30-2017, 05:03 PM
Replies: 28
Views: 2,264
Posted By DanH
Sell 'em, of course. They are EM-4's or EM-5's?

Sell 'em, of course. They are EM-4's or EM-5's?
Forum: RV General Discussion/News 10-30-2017, 04:39 PM
Replies: 13
Views: 1,099
Posted By DanH
The baggage door is ****, but the -8 pays back at...

The baggage door is ****, but the -8 pays back at wheelpant time:

http://i1368.photobucket.com/albums/ag200/Dan51/RV-8%20Build%20Log/WheelpantJig_zps2f9ba5f0.jpg...
Forum: Traditional Aircraft Engines 10-30-2017, 07:06 AM
Replies: 22
Views: 2,130
Posted By DanH
Yeah. Darn shame eh?

Yeah. Darn shame eh?
Forum: RV General Discussion/News 10-29-2017, 11:35 PM
Replies: 14
Views: 1,262
Posted By DanH
Doug, that's just peachy. Do we assume you're not...

Doug, that's just peachy. Do we assume you're not going to move toward providing a permanent home for VAF photo posting?

Can't you make money hosting photos at $3.99 a month?
Forum: Traditional Aircraft Engines 10-29-2017, 11:14 AM
Replies: 29
Views: 2,865
Posted By DanH
I'd love to see more hub disassembly photos. Who...

I'd love to see more hub disassembly photos. Who has some?

Anyone have a compact Hartzell which has been rendered un-airworthy? I'd be happy to dissect it.

BTW, we've talked about leaking zerk...
Forum: RV General Discussion/News 10-27-2017, 05:28 PM
Replies: 41
Views: 3,569
Posted By DanH
Call 'em. Ask for a new one. Maybe they say...

Call 'em. Ask for a new one. Maybe they say yes, maybe no, but they need the feedback in any case.
Forum: RV General Discussion/News 10-27-2017, 05:25 PM
Replies: 3
Views: 373
Posted By DanH
3M FireBarrier 2000

3M FireBarrier 2000
Forum: Traditional Aircraft Engines 10-27-2017, 05:24 PM
Replies: 12
Views: 782
Posted By DanH
Mine cycles about 10 degrees in cruise, 185 to...

Mine cycles about 10 degrees in cruise, 185 to 195. I have a theory, but it needs a test, and I can't get a particular plug out of the accessory case...
Forum: Painting your RV 10-27-2017, 05:12 PM
Replies: 16
Views: 1,236
Posted By DanH
Ordinary PPG Deltron is readily available in the...

Ordinary PPG Deltron is readily available in the auto body market, and it's tough.

Try this page:

http://us.ppgrefinish.com/PPG-Refinish/RefinishLocator.aspx

Product...
Forum: Electrical Systems 10-27-2017, 09:45 AM
Replies: 15
Views: 1,263
Posted By DanH
I bought the 14-18 pins, don't know about 20-22. ...

I bought the 14-18 pins, don't know about 20-22. The Motorcraft OEM plug harness for the EDIS modules is about 16ga, and IIRC I wired pretty much everything else with 18....
Forum: RV General Discussion/News 10-27-2017, 07:58 AM
Replies: 48
Views: 5,682
Posted By DanH
Some of it is just training...the wrong...

Some of it is just training...the wrong kind.

Many larger FBOs want to park arrivals close to the door, so the linemen park them in a conga line. Guarantees prop blast/jet blast, but pilots figure...
Forum: Electrical Systems 10-26-2017, 08:18 PM
Replies: 15
Views: 1,263
Posted By DanH
Another vote for DTs. Amphenol AT connectors are...

Another vote for DTs. Amphenol AT connectors are interchangable. Tried them when I built the wiring for the EIs and really liked...
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