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Search: Posts Made By: Bicyclops
Forum: RV Ongoing Maintenance Issues 06-08-2019, 11:37 AM
Replies: 20
Views: 1,987
Posted By Bicyclops
So....I've got an older 250 and my ADS-B report...

So....I've got an older 250 and my ADS-B report is showing an unnaturally high
NIC and NACv value and flagged RED.

Category NIC NACp NACv SIL SDA
% Fail 2.74% 0.00% 0.00% 0.20% 0.20%
Max dT 00:01:21...
Forum: RV General Discussion/News 06-07-2019, 10:31 AM
Replies: 8
Views: 945
Posted By Bicyclops
Pretty much the only MEL that would apply to an...

Pretty much the only MEL that would apply to an Experimental, Amateur Built aircraft in the US is that stuff required by Part 91. I don't have the relevant paragraph numbers in front of me, but it...
Forum: RV Ongoing Maintenance Issues 06-05-2019, 02:40 PM
Replies: 20
Views: 1,987
Posted By Bicyclops
AFS?

Hmmm..... Is there a firmware update for AFS users of the GPS250 and 2020 units? I have one of each.

Ed Holyoke
Forum: RV-4 06-04-2019, 12:57 PM
Replies: 15
Views: 1,267
Posted By Bicyclops
Good advice. I've done it on two airplanes. I...

Good advice. I've done it on two airplanes. I clamped long pieces of angle iron to the brake discs and compared the distances between them fore and aft and also to a snapped center line. Tweaked gear...
Forum: Places To Fly...Things to See...Things to Eat 06-03-2019, 10:10 PM
Replies: 6
Views: 427
Posted By Bicyclops
There are 2 transient tiedowns at "The Park" at...

There are 2 transient tiedowns at "The Park" at VNY. That is way up from the zero there used to be.

Ed Holyoke
Forum: RV General Discussion/News 05-31-2019, 11:43 AM
Replies: 20
Views: 1,881
Posted By Bicyclops
On a four cylinder engine, the dipstick is behind...

On a four cylinder engine, the dipstick is behind the baffle. The six has the dipstick tube in the upper plenum area ahead of the baffle. Rocketman has a 10 and is used to seeing it in that...
Forum: RV-7/7A 05-31-2019, 10:15 AM
Replies: 2
Views: 355
Posted By Bicyclops
It could be a setup issue in your EFIS. You might...

It could be a setup issue in your EFIS. You might have the wrong sender specified or the upper limit of the instrument set incorrectly. Another possibility is that the sender is not getting good...
Forum: Florida (North) 05-13-2019, 09:28 AM
Replies: 8
Views: 959
Posted By Bicyclops
(b)

§ 91.413 ATC transponder tests and inspections.

(a) No persons may use an ATC transponder that is specified in 91.215(a), 121.345(c), or § 135.143(c) of this chapter unless, within the preceding 24...
Forum: RV General Discussion/News 04-13-2019, 08:40 PM
Replies: 19
Views: 1,123
Posted By Bicyclops
Yeah - no external microswitches. I have the...

Yeah - no external microswitches. I have the (mom)-off-(mom) switch in the Infinity grip. I put a second switch on the panel for co-pilot. If both are actuated, flap motor doesn't run. No need for...
Forum: Traditional Aircraft Engines 04-13-2019, 08:10 PM
Replies: 6
Views: 621
Posted By Bicyclops
Rolled my own fusible links per AeroElectric...

Rolled my own fusible links per AeroElectric Connection. It occurs to me that I never really tested the breaker to make sure it blows before the link. Might be a worthwhile test. Maybe I'll do it at...
Forum: Traditional Aircraft Engines 04-13-2019, 10:43 AM
Replies: 6
Views: 621
Posted By Bicyclops
Is this a right now kinda thing or a in case I...

Is this a right now kinda thing or a in case I ever have to? When and if it comes up, I'd snip the wire at the brain box connector and plan on replacing with crimped pin d-sub or snip and splice near...
Forum: RV General Discussion/News 04-11-2019, 08:33 PM
Replies: 19
Views: 1,123
Posted By Bicyclops
#1, no microswitches

[QUOTE=Nihon_Ni;1338776]I've searched all through the threads here, and this topic has been discussed a few times over the years, but unfortunately most of the "see the details in this picture"...
Forum: RV-6/6A 04-08-2019, 02:57 PM
Replies: 3
Views: 676
Posted By Bicyclops
Agent 86 of Control? Ed Holyoke N86ED

Agent 86 of Control?

Ed Holyoke
N86ED
Forum: Traditional Aircraft Engines 04-08-2019, 02:50 PM
Replies: 17
Views: 2,339
Posted By Bicyclops
L hole for left rotating magnetos and make sure...

L hole for left rotating magnetos and make sure the pin goes all the way down to its shoulder in the hole. There is a false positive 180* out that can fool you if you a using a drill bit or similar...
Forum: RV General Discussion/News 04-07-2019, 10:25 PM
Replies: 2
Views: 425
Posted By Bicyclops
Fuel flow by itself is real handy, but the most...

Fuel flow by itself is real handy, but the most utility comes from having the fuel totalizer that the fuel flow makes possible. Once calibrated, the fuel you add should come very close to equaling...
Forum: Electrical Systems 03-29-2019, 12:07 PM
Replies: 102
Views: 6,795
Posted By Bicyclops
>an essential-loads bus should never be separated...

>an essential-loads bus should never be separated from the battery by switches or relays.<

You do want to be able to turn off the E-buss when you secure the airplane. Gonna have to have a switch....
Forum: Safety 03-23-2019, 12:06 PM
Replies: 92
Views: 8,094
Posted By Bicyclops
Howdy Claude, I've got about 800hrs in a 6A and...

Howdy Claude,

I've got about 800hrs in a 6A and only one landing in a 9A, but they can't be all that different. The best thing that I ever learned about landing the 6A was to get the speed right and...
Forum: Fuel Injection Systems 03-21-2019, 09:53 AM
Replies: 7
Views: 716
Posted By Bicyclops
The E-0995 K&N filter has an integral bullet and...

The E-0995 K&N filter has an integral bullet and deep pleats for more surface area than the Van's flat snorkel filter. I built a crude pressure recovery box out of fiberglass and connect it with a...
Forum: Electrical Systems 03-12-2019, 09:31 PM
Replies: 57
Views: 5,088
Posted By Bicyclops
DC is harder on switches than AC is. A diode on...

DC is harder on switches than AC is. A diode on the start contactor helps the switch by absorbing the spike as the magnetic field collapses. A start contactor could pull as much as 5A which can be...
Forum: Electronic Ignition Systems 03-12-2019, 09:16 PM
Replies: 4
Views: 672
Posted By Bicyclops
Don't know about Aerosport power but it is common...

Don't know about Aerosport power but it is common for engine builders to run in the engine on the test stand using their own magnetos and install the new one(s) just before shipping. They don't...
Forum: Safety 03-12-2019, 08:53 PM
Replies: 22
Views: 2,292
Posted By Bicyclops
Originally Posted by Harvey rv12 View Post If I...

Originally Posted by Harvey rv12 View Post
If I get close to Charlie or Bravo airspace, why would I get a number to call when I land?.



Exactly right. The altitude you show on your panel might be...
Forum: Safety 03-12-2019, 12:27 PM
Replies: 22
Views: 2,292
Posted By Bicyclops
Since 911 there has been a priority on getting...

Since 911 there has been a priority on getting more aircraft onto flight following. Supervisors frown on the controller telling too many that they are busy. If your flight doesn't take you into...
Forum: Electronic Ignition Systems 03-11-2019, 04:30 PM
Replies: 4
Views: 672
Posted By Bicyclops
It should click right around TDC. Retime. Ed...

It should click right around TDC. Retime.

Ed Holyoke
Forum: Electrical Systems 03-02-2019, 10:34 PM
Replies: 41
Views: 2,379
Posted By Bicyclops
Yup. Gotta immediately and for sure know when...

Yup. Gotta immediately and for sure know when battery is all you have left. And you gotta know for sure how much battery. Capacity check at annual is the only way you can be sure of your battery's...
Forum: Electrical Systems 03-02-2019, 07:52 PM
Replies: 41
Views: 2,379
Posted By Bicyclops
Big flashing light

The B&C voltage regulator has an output to flash a light when the buss voltage drops below 13. That gets your attention as soon as the alternator goes offline so you can start conserving electrons by...
Forum: RV Ongoing Maintenance Issues 02-27-2019, 09:36 PM
Replies: 23
Views: 3,512
Posted By Bicyclops
Better than nothing while in the shop. Useless on...

Better than nothing while in the shop. Useless on the road unless you can find somebody with a tall bottle jack. We used to jack using tie down rings screwed into the bottom of the wing until the day...
Forum: Traditional Aircraft Engines 02-23-2019, 12:35 PM
Replies: 17
Views: 1,453
Posted By Bicyclops
Howdy Chris, This is how I did...

Howdy Chris,
This is how I did...
Forum: RV General Discussion/News 02-22-2019, 04:10 PM
Replies: 10
Views: 1,068
Posted By Bicyclops
I had the worm clamps on my exhaust pipe rear...

I had the worm clamps on my exhaust pipe rear hangers come off several times until I started safety wiring them.

All my fwf nuts are all metal locknuts.

Ed Holyoke
Forum: COMM 02-21-2019, 03:40 PM
Replies: 29
Views: 2,057
Posted By Bicyclops
Most comm radios are 8w. Won't make a lot of...

Most comm radios are 8w. Won't make a lot of difference to have 10. Might break squelch better in iffy conditions. With 16watts you might be walking on people further away. Gotta say that Garmin comm...
Forum: RV Ongoing Maintenance Issues 02-18-2019, 09:49 AM
Replies: 23
Views: 3,512
Posted By Bicyclops
I'm using a 1/4" bolt with a sleeve of 4130...

I'm using a 1/4" bolt with a sleeve of 4130 around it, bringing it to 3/8" OD. I think that the ultimate strength of the bolt isn't the issue, anyway. I wouldn't worry about shear. Bending would be...
Forum: RV Ongoing Maintenance Issues 02-18-2019, 09:30 AM
Replies: 23
Views: 3,512
Posted By Bicyclops
https://www.aircraftspruce.com/catalog/mepages/606...

https://www.aircraftspruce.com/catalog/mepages/6061t6.php

They've also got 2024 T3 which would be stronger, but not in that exact size.

Ed
Forum: RV Ongoing Maintenance Issues 02-17-2019, 09:49 PM
Replies: 23
Views: 3,512
Posted By Bicyclops
I didn't notice it move significantly, though you...

I didn't notice it move significantly, though you might expect it to have done some. With the Avery style pad you are sticking a tube into the end of the hollow axle and putting a jack, what, about...
Forum: RV Ongoing Maintenance Issues 02-17-2019, 02:00 PM
Replies: 23
Views: 3,512
Posted By Bicyclops
Yeah, I used the two lower bolts on the axle to...

Yeah, I used the two lower bolts on the axle to brake stay. They have been increased in length to account for the 1" thick jack pad. I turned the bolts around so I could get the jack closer to the...
Forum: RV Ongoing Maintenance Issues 02-17-2019, 11:11 AM
Replies: 23
Views: 3,512
Posted By Bicyclops
Not happily. The base of the jack would be right...

Not happily. The base of the jack would be right up against the tire and I only have an inch of block to work with. I wanted to have full registration on the jack to reduce the chance of slipping...
Forum: RV Ongoing Maintenance Issues 02-16-2019, 07:37 PM
Replies: 2
Views: 392
Posted By Bicyclops
218-VB (Viton Brown) are what I'm...

218-VB (Viton Brown) are what I'm using.
https://www.mcmaster.com/9464k39

Ed Holyoke
Forum: RV Ongoing Maintenance Issues 02-16-2019, 06:43 PM
Replies: 23
Views: 3,512
Posted By Bicyclops
Homemade jack pads

Howdy,

Inspired by the cool jackpads from Winter, I made my own out of 1" X 1 1/4" 6061 T6. I did the whole deed with out much more than a drill press, carbide burr, and a miter saw. The mounting...
Forum: Electronic Ignition Systems 02-12-2019, 12:20 PM
Replies: 293
Views: 48,874
Posted By Bicyclops
Pricing? Ed Holyoke

Pricing?

Ed Holyoke
Forum: RV General Discussion/News 02-10-2019, 11:15 PM
Replies: 2
Views: 535
Posted By Bicyclops
Don't need to go to minimum edge distance

We teach 2D (diameter) edge distance to center of hole for AN470 and 2.5D for AN426 at the A&P school. That's figuring to countersink. Dimpling is stronger and I'd be plenty happy at 2D. They don't...
Forum: RV General Discussion/News 02-09-2019, 11:44 AM
Replies: 5
Views: 656
Posted By Bicyclops
Socket head cap screws....

Socket head cap screws.
https://www.mcmaster.com/standard-socket-head-screws

These ones are 170K PN 91251A194

Ed Holyoke
Forum: RV Ongoing Maintenance Issues 02-02-2019, 05:07 PM
Replies: 6
Views: 1,287
Posted By Bicyclops
This is mostly aimed at Continental engines but...

This is mostly aimed at Continental engines but makes good sense for Lycomings as well:
https://www.avweb.com/news/savvyaviator/188758-1.html

The TCM service bulletin gives more guidance than the...
Forum: RV General Discussion/News 01-31-2019, 08:16 PM
Replies: 59
Views: 5,975
Posted By Bicyclops
What ever happened to the building cost...

What ever happened to the building cost calculator?

Ed Holyoke
Forum: Traditional Aircraft Engines 01-27-2019, 10:38 PM
Replies: 13
Views: 3,106
Posted By Bicyclops
Table V, studs minimum driving force. As stated...

Table V, studs minimum driving force. As stated before, if you get to the correct depth without reaching minimum torque, an oversize stud must be used.

What's wrong with threadlocker is that you may...
Forum: Glass Cockpit 01-17-2019, 04:52 PM
Replies: 4
Views: 718
Posted By Bicyclops
Howdy Jim, If you are going to do more in a few...

Howdy Jim,

If you are going to do more in a few months, don't do anything about ADS-B out right now. You have until the end of the year to comply. That means you have time to decide what your panel...
Forum: RV General Discussion/News 01-07-2019, 03:52 PM
Replies: 15
Views: 2,165
Posted By Bicyclops
Pulling the EFIS(s) gets you past the panel, but...

Pulling the EFIS(s) gets you past the panel, but there is a subpanel ahead of that. Forward access covers get you into that area.

Ed Holyoke
Forum: RV-14 12-31-2018, 03:00 PM
Replies: 23
Views: 3,766
Posted By Bicyclops
Then there's the Baja Designs XL-80. 80 watts,...

Then there's the Baja Designs XL-80. 80 watts, 9500 lumens at $400 retail.

Ed Holyoke
Forum: Propellers 12-30-2018, 07:29 PM
Replies: 12
Views: 3,781
Posted By Bicyclops
Captions are there for me when I hover the cursor...

Captions are there for me when I hover the cursor on the picture. Looks like it was a fun day.

Ed Holyoke
Forum: Electrical Systems 12-19-2018, 09:48 PM
Replies: 13
Views: 1,263
Posted By Bicyclops
I've got two 2-10 switches; OFF-WIG WAG-ON. I...

I've got two 2-10 switches; OFF-WIG WAG-ON. I don't have my schematic handy, but both switches need to be in the center for wig wag and both up for landing lights. Each light will be solid on when...
Forum: Electrical Systems 12-19-2018, 04:50 PM
Replies: 13
Views: 1,263
Posted By Bicyclops
I used a flasher like this:...

I used a flasher like this:...
Forum: Reviews 12-12-2018, 10:48 AM
Replies: 6
Views: 1,470
Posted By Bicyclops
FlyLeds vs. Squadron Pro

I've got one of each, FL in left wing and BD on the right side. I have a tail dragger 6 and was unhappy with my taxi lighting with 2 squadron pros. If I adjusted one or both of them so I could see to...
Forum: RV General Discussion/News 12-11-2018, 10:53 PM
Replies: 13
Views: 2,202
Posted By Bicyclops
Heat gun and a scraper made from a sharpened...

Heat gun and a scraper made from a sharpened piece of plexi. Was still a lot of work.

Ed Holyoke
Forum: RV General Discussion/News 12-08-2018, 01:28 PM
Replies: 12
Views: 1,151
Posted By Bicyclops
We pulled the plug using an AN3 bolt. Ed Holyoke

We pulled the plug using an AN3 bolt.

Ed Holyoke
Forum: RV General Discussion/News 12-08-2018, 01:26 PM
Replies: 20
Views: 3,862
Posted By Bicyclops
Howdy, I put 2 680s in my 6, the second aft of...

Howdy,

I put 2 680s in my 6, the second aft of the firewall where the std position is for the 6. No reason not to put it on the firewall, though it gets busy there. You might want to look at where...
Forum: Traditional Aircraft Engines 12-07-2018, 12:50 PM
Replies: 20
Views: 2,292
Posted By Bicyclops
Low oil pressure can have two basic causes: 1 ...

Low oil pressure can have two basic causes:

1 Low pump output. That could be from wear in the pump or from the pressure relief valve dumping output at too low a pressure. The stronger spring and...
Forum: RV General Discussion/News 12-07-2018, 12:11 PM
Replies: 1
Views: 356
Posted By Bicyclops
Mark, I used white and dim it way down. The...

Mark,

I used white and dim it way down. The lettering on my panel is white and shows up great with very dim light on it. I can turn it up high enough to read a newspaper if I want to.

Ed Holyoke
Forum: RV Ongoing Maintenance Issues 10-31-2018, 04:08 PM
Replies: 8
Views: 1,084
Posted By Bicyclops
http://www.westmountainradio.com/cba.php

I use a battery analyzer to check actual capacity using the same load my plane draws. Plot it on a graph that overlays the graph from last year, and I can easily see the trend. I terminate the test...
Forum: RV General Discussion/News 10-31-2018, 03:56 PM
Replies: 8
Views: 1,019
Posted By Bicyclops
The bolt or pin will be mainly loaded in shear....

The bolt or pin will be mainly loaded in shear. If the pin is of equal or larger average cross section as the bolt, which one is stronger? Also need to consider edge distance. The nut size really...
Forum: RV General Discussion/News 10-23-2018, 03:11 PM
Replies: 13
Views: 1,362
Posted By Bicyclops
How about MK1000 miniature...

How about MK1000 miniature nutplates:
https://www.aircraftspruce.com/catalog/hapages/anchornutsmk1000.php?clickkey=5767

Ed Holyoke
Forum: RV General Discussion/News 10-23-2018, 02:29 PM
Replies: 13
Views: 1,362
Posted By Bicyclops
On my 6 there are blocks of aluminum that act as...

On my 6 there are blocks of aluminum that act as clamps on the bottom of the longeron and have nutplates on them. That's probably the spacers to which you referred. Check the drawing. They probably...
Forum: Propellers 10-21-2018, 08:11 PM
Replies: 7
Views: 1,222
Posted By Bicyclops
I didn't bother cycling the prop til I had an...

I didn't bother cycling the prop til I had an hour on the engine. First flight I just left everthing forward and worked on breaking in. When it came up to 2700 on the takeoff roll, I figured that it...
Forum: Glass Cockpit 10-21-2018, 08:03 PM
Replies: 32
Views: 4,596
Posted By Bicyclops
Back up to the back up

I went with 2 Advanced with 2 ADAHRS and then threw a TruTrak (AFS Pilot) in as the ultimate back up. If the EFIS(s) go down or both (!) ADAHRS go TU, I can still level it up and fly a heading whilst...
Forum: RV General Discussion/News 10-10-2018, 10:42 PM
Replies: 48
Views: 6,737
Posted By Bicyclops
I put one of those baggage compartment smoke oil...

I put one of those baggage compartment smoke oil tanks in my 6 for an additional 7 1/2 gallons. I have a pump under the floorboard to move the fuel to a wing tank as soon as I make room for it.

Ed...
Forum: Electrical Systems 10-05-2018, 02:21 PM
Replies: 13
Views: 1,486
Posted By Bicyclops
Relay

You could always put the load on the normally closed side of a relay. To disconnect, just close the relay coil with a miniature switch. The draw would be, what, a tenth of an amp?

Ed Holyoke
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