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Search: Posts Made By: BoydBirchler
Forum: RV-12/RV-12iS 04-14-2021, 06:01 PM
Replies: 11
Views: 937
Posted By BoydBirchler
Had a 912 on a Rans S7 that we ran 700+ hours....

Had a 912 on a Rans S7 that we ran 700+ hours. When we had rough running it nearly always was cured by replacing the sparkplug resistor boot. To replace you un-screw the boot off of the ignition wire...
Forum: RV-7/7A 04-14-2021, 03:23 PM
Replies: 8
Views: 1,077
Posted By BoydBirchler
My RV7 seems to be off about 5 kts slow. It was...

My RV7 seems to be off about 5 kts slow. It was off about 15kts slow until I replumbed the static system.
Forum: Traditional Aircraft Engines 04-13-2021, 08:14 PM
Replies: 4
Views: 340
Posted By BoydBirchler
Intake tubes are different for the forward facing...

Intake tubes are different for the forward facing sump. Lycoming sells the parallel valve engine with forward facing sump, so I'm sure appropriate intake tubes are available.
Forum: RV General Discussion/News 03-27-2021, 06:27 PM
Replies: 69
Views: 6,548
Posted By BoydBirchler
Instead of MM Oil in the fuel, why not run a...

Instead of MM Oil in the fuel, why not run a quality 2 cycle oil, that is made to be run through the cylinder lubricating it, and is designed to burn in such a way as to not foul plugs.??? MM Oil is...
Forum: RV-14 03-25-2021, 07:57 AM
Replies: 3
Views: 815
Posted By BoydBirchler
I have often seen extended tubes and dip sticks...

I have often seen extended tubes and dip sticks on various planes while doing inspections. Call J&J Airparts in Watumka,Al, they may be able to help.
Forum: RV-10 03-08-2021, 06:22 PM
Replies: 8
Views: 1,088
Posted By BoydBirchler
The wife an I have owned 17 taildraggers and 5...

The wife an I have owned 17 taildraggers and 5 other planes with nose gears. Many thousands of hours, never removed the wheel pants for grass or snow up to 5".
Forum: RV-4 03-03-2021, 08:19 AM
Replies: 25
Views: 2,402
Posted By BoydBirchler
Mike Bush's assumption is that you are using...

Mike Bush's assumption is that you are using leaded fuel, not an issue for me since I use a non-leaded 93 octane fuel.

As an aside I have freed quite a few sticking valves, by dropping the valve...
Forum: RV-4 03-02-2021, 07:27 PM
Replies: 25
Views: 2,402
Posted By BoydBirchler
RV7 with IO-360/180HP. I take off full throttle...

RV7 with IO-360/180HP. I take off full throttle and 2700. When I get all obstacles cleared, I reduce RPM to 2500, leaving the throttle full in ( if this hurts the engine, everyone with a fixed prop...
Forum: Traditional Aircraft Engines 03-02-2021, 02:21 PM
Replies: 9
Views: 1,000
Posted By BoydBirchler
I've had many Lycoming cylinders off over the...

I've had many Lycoming cylinders off over the years and I do not recall ever seeing these thrust buttons. Probably a good idea, as I have seen a few rocker shafts wear a hole through the side of the...
Forum: Reviews 03-01-2021, 01:12 PM
Replies: 25
Views: 3,031
Posted By BoydBirchler
I had the 2 leading edge , " Duck Works" mounted...

I had the 2 leading edge , " Duck Works" mounted landing lights with the one 50 watt halogen bulb. They were nearly worthless. I swear, I could not tell if the landing lights were off or on until I...
Forum: RV Building Tips/Techniques 03-01-2021, 11:56 AM
Replies: 7
Views: 611
Posted By BoydBirchler
Warm it up with a heat gun (low setting) and then...

Warm it up with a heat gun (low setting) and then chill it with dry ice.
Forum: RV Ongoing Maintenance Issues 02-27-2021, 05:31 AM
Replies: 15
Views: 743
Posted By BoydBirchler
I have sent several Mooney boost pumps (I'm and...

I have sent several Mooney boost pumps (I'm and IA) to Aeromotors to have rebuilt. The charge has always been $350. They have stc'd differrent more modern materials that should last longer. The pump...
Forum: RV-14 02-23-2021, 07:28 AM
Replies: 171
Views: 148,078
Posted By BoydBirchler
Anyone else notice they are using internal...

Anyone else notice they are using internal wrenching nuts on the cylinder hold down nuts? Is the Thunder Bolt IO-390 a narrow deck engine?
Forum: Traditional Aircraft Engines 02-19-2021, 05:25 AM
Replies: 12
Views: 1,379
Posted By BoydBirchler
I have an Anti-splat oil separator, It does not...

I have an Anti-splat oil separator, It does not seem to make any difference in oil level that I'm able to maintain or in oil consumption.

That may be because my oil consumption is not a factor of...
Forum: RV-4 02-17-2021, 05:51 PM
Replies: 11
Views: 1,490
Posted By BoydBirchler
Could it be that during cruise the ram air into...

Could it be that during cruise the ram air into the Fab air box is at a higher pressure than the air flowing through the heat muff? Which would mean the air in the heat muff would actually flow...
Forum: RV-12/RV-12iS 02-11-2021, 07:06 PM
Replies: 7
Views: 1,420
Posted By BoydBirchler
As far as raising the bubble, I know of an RV6...

As far as raising the bubble, I know of an RV6 with a lowered bubble that fly's fine. I have seen a few experimentals with raised canopy's: I assume they few fine; because that's how they got to...
Forum: Electronic Ignition Systems 02-09-2021, 11:05 AM
Replies: 67
Views: 7,771
Posted By BoydBirchler
A little thought on induction leaks. Any leak in...

A little thought on induction leaks. Any leak in the induction manifold is going to be greatest when the differential between ambient (ambient is the air outside of the engine) and manifold pressure...
Forum: RV-10 01-31-2021, 02:28 PM
Replies: 22
Views: 2,768
Posted By BoydBirchler
Why not use plastic/nylon adell clamps? 6 to 20...

Why not use plastic/nylon adell clamps? 6 to 20 cents each.

https://www.allensfasteners.com/detail.asp?Product_ID=52005
Forum: RV-4 01-21-2021, 04:58 PM
Replies: 232
Views: 257,745
Posted By BoydBirchler
In my RV7 I mounted 2 EXP-Buss circuit boards...

In my RV7 I mounted 2 EXP-Buss circuit boards (removed from 2 EXP-Buss's that had switches and all) and mounted just the boards, exactly in the same location as your fuse blocks.

If one of my solid...
Forum: RV-14 01-21-2021, 06:53 AM
Replies: 140
Views: 171,430
Posted By BoydBirchler
I see several panels without a magnetic compass....

I see several panels without a magnetic compass. Is an unpowered magnetic compass no longer required?
Forum: Glass Cockpit 01-15-2021, 10:01 AM
Replies: 28
Views: 2,669
Posted By BoydBirchler
Do you have a heated pitot? Do you have an...

Do you have a heated pitot? Do you have an alternate static? (Steinair has some nice choices)
Forum: Fuel Injection Systems 01-11-2021, 09:48 AM
Replies: 6
Views: 1,100
Posted By BoydBirchler
They are both nearly the same design. AFP has a...

They are both nearly the same design. AFP has a few minor differences that may make it slightly better. So in my mind if cost is similar, I would go with AFP.
If there is a large additional cost,...
Forum: RV-7/7A 01-04-2021, 06:24 AM
Replies: 5
Views: 839
Posted By BoydBirchler
A RV6 or 7 with the wings on, while setting on...

A RV6 or 7 with the wings on, while setting on the jack points, the tail goes negative when the plane is level (the jack points/ tie downs are well behind the main gear). We just did a weight and...
Forum: RV-10 01-03-2021, 10:01 AM
Replies: 5
Views: 706
Posted By BoydBirchler
I rewired most of my RV7 and had to drill out the...

I rewired most of my RV7 and had to drill out the baggage floor rivets for access. Looking to the future: I used nut plates to put the floor back in; just incase I or the next owner needs to remove...
Forum: RV-12/RV-12iS 01-01-2021, 09:00 AM
Replies: 20
Views: 3,326
Posted By BoydBirchler
Is there room above the Left flight display,...

Is there room above the Left flight display, perhaps shifted slightly to the right?

The original position of the 430w in my RV7 was there, I initially thought it was a bad place but came to like it.
Forum: RV Ongoing Maintenance Issues 12-31-2020, 04:38 AM
Replies: 40
Views: 6,318
Posted By BoydBirchler
I've owned 4 Mooney's, 3 of them were wet wings....

I've owned 4 Mooney's, 3 of them were wet wings. I've had all three opened up at one point or another to repair seeps.

I never have seen the sealant turned into goo on a Mooney! Mooney's use an...
Forum: Propellers 12-30-2020, 05:55 PM
Replies: 10
Views: 1,804
Posted By BoydBirchler
Pacesetter is a great performing prop, the best...

Pacesetter is a great performing prop, the best fixed pitch I have ever flown behind!
Forum: Traditional Aircraft Engines 12-29-2020, 05:20 PM
Replies: 33
Views: 2,966
Posted By BoydBirchler
Here is a thread about drilling the jet with the info you need

https://vansairforce.net/community/showthread.php?t=7321&highlight=carb+jet
Forum: RV-14 12-29-2020, 05:06 PM
Replies: 8
Views: 1,333
Posted By BoydBirchler
While you are there; there is a service...

While you are there; there is a service letter/bulletin on tailwheel planes to place a diagonal aluminum angle under the opening on each side. If you do not, there will be wrinkles in the side skins...
Forum: RV-14 12-27-2020, 05:15 PM
Replies: 20
Views: 2,988
Posted By BoydBirchler
Purchase a 4 degree wedge to put between the axel...

Purchase a 4 degree wedge to put between the axel and the gear leg. AC Spruce sells them; do not know if Vans does or not.

Over the years I have used them on a few Cessna's; some for toe in...
Forum: RV Building Tips/Techniques 12-23-2020, 07:41 PM
Replies: 28
Views: 2,579
Posted By BoydBirchler
I had the wing tip off and used a tool I...

I had the wing tip off and used a tool I purchased from Harbor Freight, The tool is a bunch of fiberglass (maybe plastic) rods 15" long that you thread one into the next to pull or push wire or...
Forum: Traditional Aircraft Engines 12-23-2020, 05:37 PM
Replies: 7
Views: 840
Posted By BoydBirchler
Yep you are LOP for sure at 23/23 and 3000. 23...

Yep you are LOP for sure at 23/23 and 3000. 23 squared ROP would be burning 8.6 to 9 gph.(I'm assuming you have a parallel valve IO-360-Bxx engine).
Forum: RV-4 12-21-2020, 08:07 PM
Replies: 28
Views: 3,725
Posted By BoydBirchler
A common way to adjust a heavy wing is to lower...

A common way to adjust a heavy wing is to lower that aileron by ovaling the aileron hinges attach holes to lower the ailerons vertical position. If that had been done and the hinge bolts loosened...
Forum: RV General Discussion/News 12-17-2020, 06:40 AM
Replies: 17
Views: 2,626
Posted By BoydBirchler
I do not think that once the cooler is blocked...

I do not think that once the cooler is blocked off, it is still cooling the oil.
I've owned many planes that had no oil cooler at all and during cold WX ops, the oil would not go above 130F, unless...
Forum: Traditional Aircraft Engines 12-14-2020, 07:01 PM
Replies: 9
Views: 1,676
Posted By BoydBirchler
If the starter gear and it's shaft are not...

If the starter gear and it's shaft are not lubricated well enough, the gear on the starter bendix will not slide forward and backward easily enough to engage/ dis-engage properly and it will make a...
Forum: Fiberglass 12-14-2020, 01:13 PM
Replies: 14
Views: 2,496
Posted By BoydBirchler
My RV7 had no stiffeners originally. In that...

My RV7 had no stiffeners originally. In that configuration I had some small shimmy problems and also found the plane very "skippy" on touch down. Any touch down other than perfect resulted in a...
Forum: RV-12/RV-12iS 12-14-2020, 08:40 AM
Replies: 18
Views: 4,301
Posted By BoydBirchler
I would not be afraid of that engine. Some...

I would not be afraid of that engine. Some scuffing is nearly always apparent. We ran a 912 ULS 1000 hours (to a total of 1300) when we sold the plane. It never ever used oil. (You only check oil...
Forum: RV-10 12-02-2020, 07:27 AM
Replies: 26
Views: 3,270
Posted By BoydBirchler
Be careful pressurizing the fuel tank! you can...

Be careful pressurizing the fuel tank! you can not put much more than 1/4 to 1/2 PSI without distorting the tank and ruining it!

After owning 4 different Mooneys It for sure is a fuel leak.
Forum: Traditional Aircraft Engines 12-02-2020, 07:14 AM
Replies: 37
Views: 3,271
Posted By BoydBirchler
I had something similar. I checked plug,wires and...

I had something similar. I checked plug,wires and changed the coil. It was still there. So I changed the plug and it went away!
Forum: RV-6/6A 11-22-2020, 07:16 PM
Replies: 38
Views: 5,816
Posted By BoydBirchler
A RV6 at our airport just had a similar leak,...

A RV6 at our airport just had a similar leak, Turns out it was the bulkhead fitting where the fuel line attaches.

This seems to be a trouble spot; the fitting is sealed on the inside with proseal....
Forum: RV-14 11-18-2020, 05:28 PM
Replies: 24
Views: 4,409
Posted By BoydBirchler
I have seen a circular spiral drill shaving...

I have seen a circular spiral drill shaving inside a fuel hose that caused a few partial power interruptions, then a total power loss with the M1 Cassutte crashing right in front of me...

I have...
Forum: RV Building Tips/Techniques 11-12-2020, 07:25 PM
Replies: 14
Views: 2,911
Posted By BoydBirchler
I worked with a few painting job shops, spending...

I worked with a few painting job shops, spending 34 years in the industrial paint and coatings removal business.

A lot of enameling shops use 450 to 500F for "WET" paint. It does vary some from...
Forum: Traditional Aircraft Engines 11-12-2020, 06:08 PM
Replies: 3
Views: 1,159
Posted By BoydBirchler
A light weight prop may need more RPM to idle,...

A light weight prop may need more RPM to idle, because it has less flywheel effect.

It seems likely that you may need to richen up the carb. To do so get the engine up to temp (a good time is when...
Forum: RV Ongoing Maintenance Issues 11-12-2020, 05:49 PM
Replies: 28
Views: 5,033
Posted By BoydBirchler
I've used Rapco since they started producing...

I've used Rapco since they started producing them. 23 Different planes, 8000 hours, no issues.

If you are into saving more money; buy them by the dozen.
Forum: RV General Discussion/News 11-10-2020, 09:42 AM
Replies: 6
Views: 1,653
Posted By BoydBirchler
I had the same thing happen when I converted from...

I had the same thing happen when I converted from a fixed pitch to a C/S prop.
The fix was opening up the holes around the gear legs a bit. you can make these openings pretty large as long as the...
Forum: RV Ongoing Maintenance Issues 10-30-2020, 08:57 AM
Replies: 13
Views: 1,806
Posted By BoydBirchler
Ahh I did not catch the LOP, in that case a...

Ahh I did not catch the LOP, in that case a partially plugged injector would likely be so lean it would just quit running.

Instead of swapping probes why not just swap both plugs to a different...
Forum: RV Ongoing Maintenance Issues 10-29-2020, 07:56 PM
Replies: 13
Views: 1,806
Posted By BoydBirchler
Clean the #4 injector and see if that cures the...

Clean the #4 injector and see if that cures the problem. I'm guessing it cannot be an induction leak as you are running wide open throttle at that kind of altitude. At WOT the differential between...
Forum: RV Ongoing Maintenance Issues 10-27-2020, 07:06 PM
Replies: 36
Views: 13,069
Posted By BoydBirchler
I've had a few episodes with sticking a valve. In...

I've had a few episodes with sticking a valve. In flight one exhaust valve sticking open,on a 4 cylinder, causes extreme roughness and reduces power by close to half.

I would look elsewhere for the...
Forum: RV Ongoing Maintenance Issues 10-26-2020, 05:44 PM
Replies: 11
Views: 2,249
Posted By BoydBirchler
You guys are much more efficient than I am. I had...

You guys are much more efficient than I am. I had to drill out both sides of the baggage floor (I decided I wanted steps on my RV7 taildragger). It took me at least 4 or 5 hours! Made me decide to...
Forum: Traditional Aircraft Engines 10-26-2020, 06:06 AM
Replies: 9
Views: 1,924
Posted By BoydBirchler
I run similar fuel in my RV7. 91 octane no...

I run similar fuel in my RV7. 91 octane no alcohol. I run mostly LOP ( IO360-M1B) so my deposits are some what less. My deposits can be easily brushed of with a brass bristle brush.

So far,on my...
Forum: Traditional Aircraft Engines 10-26-2020, 05:51 AM
Replies: 9
Views: 1,924
Posted By BoydBirchler
I run similar fuel in my RV7. 91 octane no...

I run similar fuel in my RV7. 91 octane no alcohol. I run mostly LOP ( IO360-M1B) so my deposits are some what less. My deposits can be easily brushed of with a brass bristle brush.

So far,on my...
Forum: Traditional Aircraft Engines 10-23-2020, 07:17 AM
Replies: 17
Views: 2,943
Posted By BoydBirchler
I have used the K&N: PS-1002 the PS-2004 and the...

I have used the K&N: PS-1002 the PS-2004 and the HP-2004. I actually prefer the PS-2004 using a hose clamp for safety.

The PS-1002 is a bit small while the HP or PS 2004 is similar in size to the...
Forum: RV General Discussion/News 10-20-2020, 07:23 PM
Replies: 14
Views: 2,708
Posted By BoydBirchler
Congratulations on the first flight! I know what...

Congratulations on the first flight! I know what it feels like to sit at the end of the runway, hoping everything will go OK, but knowing from your planning that things can go wrong. The first few...
Forum: Traditional Aircraft Engines 10-20-2020, 08:57 AM
Replies: 22
Views: 4,295
Posted By BoydBirchler
Induction leaks are at their worst at idle when...

Induction leaks are at their worst at idle when the differential between ambient atmospheric pressure and the induction systems internal pressure are greatest.

They leak hardly at all during full...
Forum: RV-4 10-19-2020, 06:30 PM
Replies: 17
Views: 3,464
Posted By BoydBirchler
Our RV7 needs 2000 RPM to cycle it's...

Our RV7 needs 2000 RPM to cycle it's counterweighted aerobatic prop.

Your new governor may make more pressure than the old one. Your newly overhauled hub may likely have it's low pitch stop...
Forum: RV-4 08-29-2020, 05:12 PM
Replies: 16
Views: 3,790
Posted By BoydBirchler
I removed the gascolator from my Rv7 when I went...

I removed the gascolator from my Rv7 when I went to fuel injection. I have a filter that has a bi-pass if it gets clogged:dirty fuel is better than no fuel, hence the bi-pass filter.

Even with a...
Forum: Trip Write-ups 08-24-2020, 09:14 AM
Replies: 4
Views: 2,649
Posted By BoydBirchler
Looks like it snowed! We were there 6 weeks ago...

Looks like it snowed! We were there 6 weeks ago as part of the Smiley Creek C182 fly-in (in our RV7). We left a day early because of forecast WX coming in: the WX ended up being 5 inches of snow.
Forum: RV-14 08-05-2020, 07:31 PM
Replies: 6
Views: 2,543
Posted By BoydBirchler
I agree a 540 is easier to hang. One thing to...

I agree a 540 is easier to hang. One thing to remember is to pull each bolt down that you get installed, that makes more room for the last 2 bolts as it pulls the engine to the outside as each bolt...
Showing results 1 to 58 of 58

 
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