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Search: Posts Made By: Bicyclops
Forum: RV-14 Today, 08:28 PM
Replies: 11
Views: 2,387
Posted By Bicyclops
First, jump starting the airplane is usually a...

First, jump starting the airplane is usually a bad idea. Launching with a discharged battery can heat the alternator and/or battery to failure. Burn out a couple of diodes and you've got the...
Forum: Propellers Today, 10:50 AM
Replies: 13
Views: 507
Posted By Bicyclops
I never cycled my prop until the second flight. I...

I never cycled my prop until the second flight. I didn't want to potentially starve brand new bearings of oil by exercising the prop. I also wanted to keep ground running, especially at power, at a...
Forum: RV-14 04-24-2021, 01:35 PM
Replies: 3
Views: 393
Posted By Bicyclops
While charging from the alternator, the different...

While charging from the alternator, the different battery chemistries will happily co-exist, though they might be happier at slightly different charging voltages. It's when not charging that the...
Forum: RV General Discussion/News 04-12-2021, 02:49 PM
Replies: 41
Views: 2,231
Posted By Bicyclops
What I'm looking for is that zen-like state where...

What I'm looking for is that zen-like state where I don't have anything at all going on except the focus of, say landing the airplane. For me, that can happen more when I'm riding because I need...
Forum: RV Ongoing Maintenance Issues 04-12-2021, 12:46 PM
Replies: 6
Views: 485
Posted By Bicyclops
Red cube shouldn't have anything to do with the...

Red cube shouldn't have anything to do with the Dynon deciding ROP/LOP. That I believe is based on EGTs not fuel flow.

Ed Holyoke
Forum: RV General Discussion/News 04-06-2021, 11:52 AM
Replies: 44
Views: 3,501
Posted By Bicyclops
Yikes! In that case, I will resume with my...

Yikes! In that case, I will resume with my experimental notification to towers as I had done in the past.

Ed Holyoke
Forum: RV General Discussion/News 04-06-2021, 09:46 AM
Replies: 44
Views: 3,501
Posted By Bicyclops
Read the oplims for YOUR airplane. They will...

Read the oplims for YOUR airplane. They will specify where and how you can operate your plane. They usually have wording to the effect that the aircraft can't be operated over densely populated areas...
Forum: RV-4 03-02-2021, 11:21 AM
Replies: 25
Views: 2,652
Posted By Bicyclops
I can't find a screenshot, but the same day I was...

I can't find a screenshot, but the same day I was seeing the same airspeed, same altitude, same fuel flow, similar CHTs at 2400RPM. The only difference I could see was that I was spinning the engine...
Forum: RV-4 03-02-2021, 10:36 AM
Replies: 25
Views: 2,652
Posted By Bicyclops
Am I the only one oversquare? Ed Holyoke 8965

Am I the only one oversquare?

Ed Holyoke

8965
Forum: RV Building Tips/Techniques 02-21-2021, 12:42 PM
Replies: 2
Views: 619
Posted By Bicyclops
Or chuck the piece of tubing in a cordless drill...

Or chuck the piece of tubing in a cordless drill and use a chucking reamer in another drill.

Ed Holyoke
Forum: RV General Discussion/News 02-15-2021, 10:07 AM
Replies: 28
Views: 2,531
Posted By Bicyclops
I went with a skinnier cotter pin with the stock...

I went with a skinnier cotter pin with the stock length bolt and Bogi bar. I haven't had problems with popping off the bolt head side that some have reported.

Ed Holyoke
Forum: RV Ongoing Maintenance Issues 01-26-2021, 11:18 AM
Replies: 10
Views: 1,615
Posted By Bicyclops
Failure mode?

The cable is way, way robust for the amount of wear on it and the forces that it can put on a trim tab and vice versa. The most likely spot for a failure would be at the tab itself. The doubled...
Forum: RV Ongoing Maintenance Issues 01-24-2021, 05:11 PM
Replies: 10
Views: 1,615
Posted By Bicyclops
Slop mitigation

The trim tab slop can be mitigated by installing a spring between washers at the trim tab end of the cable. This takes up the slack.

Ed Holyoke
Forum: RV General Discussion/News 01-19-2021, 10:18 PM
Replies: 27
Views: 2,684
Posted By Bicyclops
As you point out, a closed throttle causes...

As you point out, a closed throttle causes lowered pressure and causes the moisture in the air to freeze out. This is why throttle icing tends to occur at mostly closed throttle and on the back side...
Forum: RV Ongoing Maintenance Issues 01-19-2021, 06:00 PM
Replies: 18
Views: 1,749
Posted By Bicyclops
+1 on eliminating the return line. Even fuel...

+1 on eliminating the return line.

Even fuel injected Lycomings usually don't have a return line unless it is from a purge valve. This would not be operated in flight. It diverts fuel from before...
Forum: RV General Discussion/News 01-19-2021, 05:49 PM
Replies: 27
Views: 2,684
Posted By Bicyclops
The FAA says:

From AC 8083-32:
Ice can form in the induction system while an aircraft
is flying in clouds, fog, rain, sleet, snow, or even clear air that
has high moisture content (high humidity). Induction...
Forum: RV General Discussion/News 01-19-2021, 11:26 AM
Replies: 27
Views: 2,684
Posted By Bicyclops
Latent heat of vaporization of the fuel literally...

Latent heat of vaporization of the fuel literally sucks heat out of the air and lowers the temperature in the venturi a bunch. This is one of the reasons you can get carb ice at relatively high...
Forum: RV General Discussion/News 01-17-2021, 09:16 PM
Replies: 5
Views: 1,288
Posted By Bicyclops
Make an appointment with your local FSDO to get...

Make an appointment with your local FSDO to get the airworthiness certificate and operating limitations re-issued. Your new oplims will require that you notify the FSDO of your intention to put the...
Forum: RV Building Tips/Techniques 01-12-2021, 09:52 AM
Replies: 18
Views: 2,744
Posted By Bicyclops
Depends. If it's a taildragger, you'll wish you...

Depends. If it's a taildragger, you'll wish you had different aiming for the taxi lights. The landing lights will light up tree tops for you while you are on the ground. Squadron Pros come in several...
Forum: RV-7/7A 01-07-2021, 06:51 PM
Replies: 6
Views: 690
Posted By Bicyclops
I used wider hinges, not just to hide the hinges...

I used wider hinges, not just to hide the hinges as such, but to also present a solid look in the gap. It doesn't take a lot of offset to cover, maybe a quarter inch or so. I went for about .020 gap...
Forum: Electrical Systems 12-27-2020, 09:21 PM
Replies: 44
Views: 5,515
Posted By Bicyclops
Circuit breakers are faster than fuses and a lot...

Circuit breakers are faster than fuses and a lot faster than ANLs. Aeroelectric Bob has said that an ANL is capable of carrying a significantly higher than rated load indefinitely. He recommends the...
Forum: Safety 12-26-2020, 08:33 PM
Replies: 61
Views: 9,405
Posted By Bicyclops
Low volts - high amps

A buddy had a problem today. His battery was a bit low, but did start. After that, his low volt light was flashing and his amps were around 36. He freaked out and called me to check it out. Airline...
Forum: Safety 12-25-2020, 10:46 AM
Replies: 61
Views: 9,405
Posted By Bicyclops
Jump started battery and B-lead protection

Jump starting a dead battery will load the alternator pretty hard. The battery is saying "Gimme, gimme, gimme". The alternator will try and match the demand and will make more than rated amps. This...
Forum: RV General Discussion/News 12-18-2020, 11:33 AM
Replies: 4
Views: 766
Posted By Bicyclops
The good thing about a bendable tab is that it...

The good thing about a bendable tab is that it can be adjusted to center the ball at cruise. Once there, it shouldn't need adjusting again unless you start cruising faster - say you reduce the drag...
Forum: RV General Discussion/News 12-13-2020, 12:58 PM
Replies: 7
Views: 762
Posted By Bicyclops
More Ellison Questions

A friend with an O-360 and -4.5 Ellison TBI has an issue where it runs significantly richer at full throttle after it warms up, enough so that it runs rough and throttle must be reduced to smooth it...
Forum: RV Ongoing Maintenance Issues 12-08-2020, 03:33 PM
Replies: 21
Views: 2,600
Posted By Bicyclops
I've been using lubriplate lithium grease....

I've been using lubriplate lithium grease. Works.

Ed Holyoke
Forum: RV-7/7A 12-06-2020, 08:45 PM
Replies: 14
Views: 2,155
Posted By Bicyclops
Or you could straighten it with a hydraulic...

Or you could straighten it with a hydraulic press.

Ed Holyoke
Forum: RV General Discussion/News 11-30-2020, 06:32 PM
Replies: 60
Views: 8,401
Posted By Bicyclops
Naming rights

When I asked my wife to marry me I told her that I intended to build an airplane, that it was my dream to do so, it was going to be expensive in time and money, and that if she had a problem with...
Forum: Engine Monitors 11-19-2020, 05:47 PM
Replies: 16
Views: 2,463
Posted By Bicyclops
So what happens when you don't have a table that...

So what happens when you don't have a table that is applicable to your engine? High compression, doctored cam, cold air induction, etc. Which direction do you cheat the altitude numbers and by how...
Forum: Glass Cockpit 11-18-2020, 12:28 PM
Replies: 2
Views: 1,062
Posted By Bicyclops
I'm at Whiteman with 2 10" touchscreens and AFS...

I'm at Whiteman with 2 10" touchscreens and AFS Pilot autopilot in my 6. I love this panel. I'm pretty sure you'd be happy with any EFIS system, and I like that the AFS has a lot of buttons and knobs...
Forum: RV-6/6A 11-16-2020, 09:11 AM
Replies: 9
Views: 2,266
Posted By Bicyclops
Your takeoff power will be limited by the RPM it...

Your takeoff power will be limited by the RPM it can do. Mine was in the 2200 range on the takeoff roll. It could be re-pitched for more TO power, but you'd be pushing the 2600 RPM limit more of the...
Forum: RV-7/7A 11-15-2020, 09:40 PM
Replies: 9
Views: 1,159
Posted By Bicyclops
The clevis pin was wearing the hole in the horn...

The clevis pin was wearing the hole in the horn on my airplane. I put in a bronze bushing and put a spring over the end of the cable to take up the play. You could force the tab against the spring,...
Forum: RV General Discussion/News 11-12-2020, 02:59 PM
Replies: 62
Views: 8,977
Posted By Bicyclops
I've seen 200kt TAS just above the 1000'MSL...

I've seen 200kt TAS just above the 1000'MSL runway burning 17.8gph. I've seen 177TAS at 13.5k' at 7.8gph, LOP and 2350RPM. Haven't tried flat out at altitude.

Ed Holyoke
RV-6
Forum: RV Ongoing Maintenance Issues 11-12-2020, 02:46 PM
Replies: 30
Views: 4,161
Posted By Bicyclops
The form a funnel is the bomb. Get the longer...

The form a funnel is the bomb. Get the longer version and you can make it drain well clear of every part of your airplane into a bucket. Works for either the standard rear facing oil filter adapter...
Forum: RV Ongoing Maintenance Issues 11-10-2020, 09:07 PM
Replies: 7
Views: 1,261
Posted By Bicyclops
https://www.mcmaster.com/o-rings/dash-number~218/c...

https://www.mcmaster.com/o-rings/dash-number~218/color~brown/

Ed Holyoke
Forum: RV-14 11-09-2020, 08:16 PM
Replies: 12
Views: 2,973
Posted By Bicyclops
You'd be on your own for a motor mount. Ed...

You'd be on your own for a motor mount.

Ed Holyoke
Forum: RV Ongoing Maintenance Issues 11-06-2020, 10:18 PM
Replies: 9
Views: 2,299
Posted By Bicyclops
If it is red 5606, they are compatible, but you...

If it is red 5606, they are compatible, but you lose some of the higher flash point of the synthetic fluid. You can thread a fitting into the top of the reservoir and run a tube into a container. If...
Forum: RV-7/7A 10-28-2020, 11:52 AM
Replies: 16
Views: 3,942
Posted By Bicyclops
SCEET tubing at aircraft spruce et. al. Ed...

SCEET tubing at aircraft spruce et. al.

Ed Holyoke
Forum: RV-8/8A 10-21-2020, 03:11 PM
Replies: 7
Views: 2,403
Posted By Bicyclops
Canopy rails are not necessarily level when the...

Canopy rails are not necessarily level when the aircraft is in level flight. They might be, but I wouldn't assume that without checking it. It doesn't take much change in wing angle of incidence to...
Forum: RV General Discussion/News 10-21-2020, 02:53 PM
Replies: 3
Views: 1,090
Posted By Bicyclops
Many operating limitations specify what to do for...

Many operating limitations specify what to do for major modifications. Read your oplims. Mine say that the FSDO must be notified of my intentions and concur with my proposed flight test area. This...
Forum: Propellers 10-21-2020, 02:46 PM
Replies: 14
Views: 4,101
Posted By Bicyclops
You already see a higher static RPM than many...

You already see a higher static RPM than many with fixed pitch which makes it a bit of a climb prop already. If you have it re-pitched for higher static RPM, it will hurt your top speed unless you...
Forum: Traditional Aircraft Engines 10-20-2020, 03:01 PM
Replies: 52
Views: 8,282
Posted By Bicyclops
GAMI will be expensive. Call Don Rivera at...

GAMI will be expensive. Call Don Rivera at Airflow Performance. He has injectors with replaceable restrictors. You can tune it yourself. Depending on how old your injectors are, they may already have...
Forum: Electrical Systems 10-14-2020, 06:10 PM
Replies: 38
Views: 8,190
Posted By Bicyclops
Not necessarily. Leaving the battery discharged...

Not necessarily. Leaving the battery discharged for any length of time is for sure bad. Most lead acid batteries will be considered fully discharged at around 10 - 10.5 V. This is what would be...
Forum: Electrical Systems 10-14-2020, 06:01 PM
Replies: 38
Views: 8,190
Posted By Bicyclops
Kathy, If I set my low volts warning to 13.5...

Kathy,

If I set my low volts warning to 13.5 will it alarm as soon as the alternator goes offline or will I be discharging the EarthX for some unknown amount of time after alt fail? What I'm really...
Forum: RV Building Tips/Techniques 10-11-2020, 01:34 PM
Replies: 7
Views: 1,749
Posted By Bicyclops
Wrap a piece of paper around the tube with tape...

Wrap a piece of paper around the tube with tape so you can mark accurate holes on both sides. Center punch the holes and drill #30 or so. Then though drill the hole a little larger. I always drill...
Forum: Flight Testing 10-09-2020, 04:54 PM
Replies: 28
Views: 6,211
Posted By Bicyclops
I flew off my 40 in 11 flying days over the space...

I flew off my 40 in 11 flying days over the space of about 3 weeks. I flew her back to my home airport on a Wednesday, took my wife for her first flight in her namesake plane on Saturday, and...
Forum: Traditional Aircraft Engines 10-07-2020, 08:05 PM
Replies: 4
Views: 1,203
Posted By Bicyclops
I did it. Assembled engine myself. My cases don't...

I did it. Assembled engine myself. My cases don't leak.

Ed Holyoke
Forum: RV Building Tips/Techniques 10-06-2020, 10:13 PM
Replies: 9
Views: 1,644
Posted By Bicyclops
I hinged mine at the panel and used a camlock at...

I hinged mine at the panel and used a camlock at the subpanel. The fuse panel is slightly longer than that so the camlock is a couple of inches from the end in between a couple of fuseblocks. I think...
Forum: RV Ongoing Maintenance Issues 10-06-2020, 09:57 PM
Replies: 2
Views: 1,087
Posted By Bicyclops
Call the Riverside FSDO and ask for the duty...

Call the Riverside FSDO and ask for the duty airworthiness inspector. You should be able to make an appointment to get new oplims. They will have to issue a new Special Airworthiness Certificate...
Forum: RV General Discussion/News 10-05-2020, 08:44 PM
Replies: 13
Views: 3,434
Posted By Bicyclops
Copy that, Mark. They did respond to an email I...

Copy that, Mark. They did respond to an email I sent, but not a second one. The company has changed hands. I can't say what their operation looks like now.

Ed
Forum: RV General Discussion/News 10-05-2020, 08:38 PM
Replies: 13
Views: 3,434
Posted By Bicyclops
I've got a set of Hotel Whiskey tanks that were...

I've got a set of Hotel Whiskey tanks that were sold for an 8. Same wings as a 7, I believe. $1650 in SoCal.

Ed Holyoke
Forum: RV-9/9A 10-05-2020, 02:13 PM
Replies: 9
Views: 2,239
Posted By Bicyclops
I put a bent whip on the belly and an Archer in...

I put a bent whip on the belly and an Archer in the wingtip. The wingtip antenna was, as Bob Archer warned me, not adequate and I replaced it with a whip on the upper fuselage. I have the Supertraks...
Forum: Traditional Aircraft Engines 10-05-2020, 10:17 AM
Replies: 20
Views: 4,152
Posted By Bicyclops
Fuel pump failing high

I wouldn't have believed it possible for the engine driven fuel pump to fail high, but I've seen it. A friend was reporting high pressure on his O-320. I temporarily plumbed a gauge onto it which...
Forum: RV Building Tips/Techniques 10-02-2020, 10:25 PM
Replies: 8
Views: 1,256
Posted By Bicyclops
Howdy Marty, It's very nearly impossible to fly...

Howdy Marty,

It's very nearly impossible to fly an airplane a lot and have it look perfect. Mine is only 3 years old and has dents, paint chips, and areas of wear. I've landed on the dry lake. I've...
Forum: RV Building Tips/Techniques 10-02-2020, 10:07 PM
Replies: 8
Views: 1,256
Posted By Bicyclops
I don't have a specific memory, but I'm pretty...

I don't have a specific memory, but I'm pretty sure I took measurements and placed the forward mount based on that. One could allow a little wiggle room and fill that with a shim if necessary.

Ed...
Forum: RV Building Tips/Techniques 10-02-2020, 03:32 PM
Replies: 8
Views: 1,256
Posted By Bicyclops
A friend of mine ran over some PAPI lights and...

A friend of mine ran over some PAPI lights and really beat his up. We built a new one and did the final skin trims after test fitting it to the wing. The tank skin came undrilled where it laps onto...
Forum: RV-6/6A 10-02-2020, 03:06 PM
Replies: 11
Views: 2,774
Posted By Bicyclops
Did that in our 6A on takeoff. It didn't just...

Did that in our 6A on takeoff. It didn't just give - it broke off. A real eye opener! I was slid forward as much as I could get and had my foot on the firewall. Was even tapping on the brake trying...
Forum: RV-14 10-02-2020, 02:46 PM
Replies: 3
Views: 1,226
Posted By Bicyclops
Or make your...

Or make your own:

https://vansairforce.net/community/showthread.php?t=168845&highlight=jack+point

Ed Holyoke
Forum: Safety 09-30-2020, 04:44 PM
Replies: 39
Views: 6,311
Posted By Bicyclops
The second battery probably was charged at first...

The second battery probably was charged at first and ran down along with the other one with both switched on. A second battery is not a back up if it isn't held in reserve.

I have an electrically...
Forum: RV General Discussion/News 09-27-2020, 04:41 PM
Replies: 21
Views: 4,136
Posted By Bicyclops
https://www.amazon.com/RovyVon-Keychain-Rechargeab...

https://www.amazon.com/RovyVon-Keychain-Rechargeable-Flashlight-A1/dp/B07CP6CFX9

Tiny. There's a 650 lumen version for more money.

Ed Holyoke
Forum: RV General Discussion/News 09-20-2020, 09:27 AM
Replies: 18
Views: 3,034
Posted By Bicyclops
Canvas painter's drop cloths. Ed Holyoke

Canvas painter's drop cloths.

Ed Holyoke
Forum: Traditional Aircraft Engines 09-16-2020, 05:21 PM
Replies: 20
Views: 5,080
Posted By Bicyclops
It's my understanding that they do the run-in...

It's my understanding that they do the run-in with shop magnetos and install whatever ignition you selected before they bag the engine for shipment. Chances they'll be timed correctly are just that,...
Forum: RV Building Tips/Techniques 09-16-2020, 12:29 PM
Replies: 3
Views: 1,367
Posted By Bicyclops
Our O-320 powered 6A had what you describe. There...

Our O-320 powered 6A had what you describe. There were long bolts hanging from the upper plate through a lower plate making a filter sandwich. It was a bit of a pain to get them all lined up but...
Forum: Electronic Ignition Systems 09-10-2020, 08:41 PM
Replies: 25
Views: 3,255
Posted By Bicyclops
Coil?

1 and 2 share a coil. I'd look at that. See if it has a loose wire running to it. Check the coil for resistance. Info on troubleshooting on Lightspeed's website.

Ed Holyoke
Showing results 1 to 64 of 341

 
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