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Search: Posts Made By: DrDave
Forum: Messages 07-30-21, 09:11 PM
Replies: 9
Views: 719
Posted By DrDave
Hello: My wiring diagram covers 0001-0759 for the...

Hello: My wiring diagram covers 0001-0759 for the tachometer. The right rear mag has two wires for the tach K-EG5 is a ground wire and K-EG4 goes to the rear pickup terminal on the transmitter. This...
Forum: Messages 06-20-21, 07:51 PM
Replies: 10
Views: 2,187
Posted By DrDave
Greetings: According to the alternator system...

Greetings:

According to the alternator system wiring diagram for serial numbers 337-0001 thru 337-0268 and 337-0281 thru 337-0325 there was no filter capacitor on the alternator output. 337-0269...
Forum: Messages 09-22-20, 06:59 PM
Replies: 15
Views: 4,652
Posted By DrDave
I believe the C system is the same as the A and B...

I believe the C system is the same as the A and B and D. There is no paralleling function of those regulators. Please refer to the charging system diagram. There are two separate regulators that...
Forum: Messages 09-22-20, 05:06 PM
Replies: 15
Views: 4,652
Posted By DrDave
Are we talking about a G model here? Those run...

Are we talking about a G model here? Those run two separate regulators with a common battery and parallel the regulators. The Zeftronics or the Plane Power regulators would be a good upgrade.

Dave
Forum: Messages 09-10-20, 02:38 PM
Replies: 17
Views: 4,303
Posted By DrDave
Does the regular, small, bumping of the amp meter...

Does the regular, small, bumping of the amp meter correspond to any known electrical load?

Dave
Forum: Messages 09-09-20, 12:58 AM
Replies: 17
Views: 4,303
Posted By DrDave
Good evening: You can't like any of that. It...

Good evening:

You can't like any of that. It sounds like the front engine system is the closest to normal. I would adjust the front regulator to 28.4V. Once it's set there let's see how it handles...
Forum: Messages 09-09-20, 12:50 AM
Replies: 2
Views: 1,859
Posted By DrDave
It seems to me that Niagara Air Parts chimed in...

It seems to me that Niagara Air Parts chimed in on this. They mentioned a model that would keep their starter adapter warranty in place. It appears the starter of choice is the ST-5.

Many failed...
Forum: Messages 08-29-20, 11:33 PM
Replies: 11
Views: 2,597
Posted By DrDave
Here is one of the causes of ongoing...

Here is one of the causes of ongoing problems.

"The wires from the original regulators are re-connected to the new regulators..."

Many times old problems are just reconnected to new batteries,...
Forum: Messages 08-21-20, 06:09 PM
Replies: 5
Views: 2,124
Posted By DrDave
Call Joe at Max Dim. I use their pulse width...

Call Joe at Max Dim. I use their pulse width modulation dimmers. Max Pulse/Max Dim is located in Spokane. Joe is in Georgia? PWM is the best way to control EL lighting. Oops, that last comment was...
Forum: Messages 08-17-20, 01:51 AM
Replies: 17
Views: 4,303
Posted By DrDave
Learjetter: I've read through your symptom list....

Learjetter:

I've read through your symptom list. It appears that you have a couple of things in play here. I think we need to establish some baseline items here. I would like to make certain that...
Forum: Messages 08-16-20, 01:57 AM
Replies: 17
Views: 4,303
Posted By DrDave
Learjetter: Does the amp gauge needle stop...

Learjetter:

Does the amp gauge needle stop waving at you when you are running on the rear alternator only?

Dave
Forum: Messages 08-14-20, 05:13 PM
Replies: 6
Views: 1,606
Posted By DrDave
I would doubt that. Actually the alternator is...

I would doubt that. Actually the alternator is not dead. The battery field circuit from the main battery is dead. It's a 12 ohm not 12k ohm resistor. Feel free to call me. I will PM my number. I'm...
Forum: Messages 08-14-20, 05:05 PM
Replies: 6
Views: 1,606
Posted By DrDave
Yes, that is the schematic I have in front of...

Yes, that is the schematic I have in front of me.

Dave
Forum: Messages 08-14-20, 05:02 PM
Replies: 6
Views: 1,606
Posted By DrDave
I just found the schematic. The alternator...

I just found the schematic. The alternator restart switch bypasses the regulators and puts power directly to the field terminal of both alternators. It comes off the batteries through a one watt, 12...
Forum: Messages 08-14-20, 04:48 PM
Replies: 6
Views: 1,606
Posted By DrDave
Rick: I have never spent any time with this...

Rick:

I have never spent any time with this particular circuit. Keep that in mind while reading anything I write. The alternator field circuit of the individual alternator should be between 1.6-4ish...
Forum: Messages 08-12-20, 07:44 PM
Replies: 27
Views: 23,513
Posted By DrDave
I have a spare front prop and hub with log book...

I have a spare front prop and hub with log book that would bolt right on. Part Number: D2AF34C59-AMP. Looks like 250 hours since disassemble, service, assemble, check track, set angles,...
Forum: Links 03-15-20, 10:54 PM
Replies: 4
Views: 4,261
Posted By DrDave
That would require common sense and casual...

That would require common sense and casual observation, skills I have limited grasp upon. However, why didn't the gear doors close when the engine was started?

Dave
Forum: Links 03-15-20, 12:40 AM
Replies: 4
Views: 4,261
Posted By DrDave
Now he needs to figure out why the doors are open...

Now he needs to figure out why the doors are open with the gear down
Forum: Messages 03-12-20, 12:59 AM
Replies: 27
Views: 7,663
Posted By DrDave
Okay, let me add one more thing. I promise this...

Okay, let me add one more thing. I promise this won't be wacky like the copper line mistake. We developed a small collection of oil in the center bay of the floor under the gear actuator. The oil...
Forum: Messages 03-10-20, 11:56 AM
Replies: 27
Views: 7,663
Posted By DrDave
Correction

The information I wrote last night about the oil pressure lines was absolutely wrong. The oil pressure lines are made from aluminum tubing. There are a few unions along the entire route. For some...
Forum: Messages 03-09-20, 11:51 PM
Replies: 27
Views: 7,663
Posted By DrDave
The oil pressure lines from the motors are copper...

The oil pressure lines from the motors are copper lines. They are prone to cracking. Over the years they lose their ductility. There are no unions in those lines until they meet up with the barely...
Forum: Messages 03-09-20, 01:41 AM
Replies: 14
Views: 4,895
Posted By DrDave
I went to the local fire extinguisher/safety...

I went to the local fire extinguisher/safety equipment store and replaced all of my dry chem extinguishers with Halotron clean-agent extinguishers. The 2.5lb model was $118. The best part is that...
Forum: Messages 03-08-20, 08:38 PM
Replies: 27
Views: 7,663
Posted By DrDave
Look carefully and find the pin-hole in the oil...

Look carefully and find the pin-hole in the oil pressure line from the rear engine.

Dave
Forum: Messages 03-07-20, 08:28 PM
Replies: 20
Views: 6,935
Posted By DrDave
I will measure the thickness of it tomorrow. I...

I will measure the thickness of it tomorrow. I don't have the right caliper to measure the inside groove diameter where it seats. One thing I would encourage is to take pictures and mark where the...
Forum: Messages 03-07-20, 12:07 AM
Replies: 20
Views: 6,935
Posted By DrDave
Here is a picture of the o-ring that sits on the...

Here is a picture of the o-ring that sits on the shaft of the selector lever. This could be a source of leakage.
Showing results 1 to 25 of 115

 
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