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Search: Posts Made By: Christopher Murphy
Forum: RV General Discussion/News 04-27-2021, 07:15 PM
Replies: 9
Views: 1,430
Posted By Christopher Murphy
Enola Gay Hangar

We “Rocky Mountain Renegades” were supposed to fly with the West Coast Ravens in their airshow a couple years ago. A few of us hangared in the Enola Gay hangar. A forecast early winter storm forced...
Forum: Midwest 04-25-2021, 09:33 PM
Replies: 0
Views: 590
Posted By Christopher Murphy
After 20 years renting the same hangar I just found out its sold and I am out.

Anyone at KFNL have or know of a hangar or a space for rent?
Ive had a great deal for a long time but I found out yesterday Im loosing my hangar soon.

Thanks

Pm me here

Cm
Forum: RV Ongoing Maintenance Issues 04-25-2021, 09:18 PM
Replies: 4
Views: 381
Posted By Christopher Murphy
Thanks !!

Thanks for the info very helpful

Im not sure if I cut one wire or both yet. Its an old single vans CHT gage only to one cylinder.

Cm
Forum: RV Ongoing Maintenance Issues 04-23-2021, 08:19 PM
Replies: 4
Views: 381
Posted By Christopher Murphy
CHT probe and leads

I accidently clipped my CHT lead and now I cant find a replacement.

Vans CHT gage. Bought the probe and lead with the gage.
All i can find is the IE-100 probe which i dont need and only has about...
Forum: Propellers 04-05-2021, 07:09 PM
Replies: 13
Views: 1,405
Posted By Christopher Murphy
2600 rpm limit

I had this prop in 81 inch pitch and it was a great prop except fot the rpm limit
My GA prop matches or exceeds it with the limit
The W&B was better with the metal prop
Cm
Forum: RV Friends Who Have Passed On 04-01-2021, 01:58 PM
Replies: 62
Views: 13,724
Posted By Christopher Murphy
Poor instruction

Thats like saying never crash..

Cm
Forum: Propellers 04-01-2021, 08:18 AM
Replies: 13
Views: 1,405
Posted By Christopher Murphy
Really like my sensenich GA

Great all around performance
Cm
Forum: RV General Discussion/News 03-18-2021, 09:19 PM
Replies: 17
Views: 1,334
Posted By Christopher Murphy
Pitts

My first landing in that Pitts was pretty exciting. After we handed iver the cashiers check it was a rush to get it home before dark. Taxiing out I could tell something wasnt right but I attributed...
Forum: RV General Discussion/News 03-18-2021, 08:54 PM
Replies: 17
Views: 1,334
Posted By Christopher Murphy
No steering.

I have flown my RV-4 several times with no steering chains or links connected at all. It actually does quite well.

Cm
Forum: RV-4 03-15-2021, 12:22 PM
Replies: 11
Views: 1,180
Posted By Christopher Murphy
6-2 210

My -4 was built to the plans

I installed DJ Laurentsen’s cushions but eventually I made my own thinner1/2 inch thick back cushion. The bottom cushion is very firm and ok for about an hour. Use an...
Forum: Electrical Systems 02-12-2021, 01:55 PM
Replies: 14
Views: 1,845
Posted By Christopher Murphy
Back in the day

I went to the locally owned ( by my grandfather ) auto parts store. I needed a tach drive cable for my Rv4 under construction. I gave the older guy behind the counter ( where the giant set of books...
Forum: Propellers 02-11-2021, 08:29 AM
Replies: 30
Views: 3,155
Posted By Christopher Murphy
4.5 pin?

I have a chart that shows the actual pitch associated with each pin setting. Im thinking a half setting would be pretty negligible Im curious how you made hard tape contour to the radius of the...
Forum: Propellers 02-07-2021, 05:23 AM
Replies: 30
Views: 3,155
Posted By Christopher Murphy
It depends on what type of aircraft it is on

On my 160 hp Rv4 I used the highest pitch pin setting 7 or 8, I dont recall off hand. The prop was still under pitched. ( I could exceed 2700 RPM in level flight at 8000 da. I eventually had the...
Forum: RV General Discussion/News 02-06-2021, 02:12 PM
Replies: 35
Views: 3,208
Posted By Christopher Murphy
What?

FWF kit? I missed that kit all together when I was building my -4 30 years ago!

That sneaky VanS Aircraft!
Cm
Forum: Places To Fly...Things to See...Things to Eat 02-02-2021, 05:01 PM
Replies: 13
Views: 1,543
Posted By Christopher Murphy
Why?

Curious, what makes you say it was a wise choice?

You left us hanging!

Cm
Forum: Places To Fly...Things to See...Things to Eat 02-02-2021, 08:13 AM
Replies: 13
Views: 1,543
Posted By Christopher Murphy
Steamboat

Getting over steamboat is fairly easy. Use good mountain flying rules of thumb and do it on a nice day and it will be a fun trip. Dont plan to refuel in walden!

You can get over there without...
Forum: RV-4 01-29-2021, 04:46 PM
Replies: 56
Views: 8,731
Posted By Christopher Murphy
Watch this

https://youtu.be/BANMqZ35vYw


The balloon protects from blowing the tank apart. Squirt blow up the ballon by using an air nozzle im the sump drain

Sqirt soapy water on every place it could leak. ...
Forum: RV General Discussion/News 01-19-2021, 07:54 AM
Replies: 27
Views: 2,654
Posted By Christopher Murphy
Better put it on the plane

Someday somewhere that carb heat will be needed. If you dont have it available it will become a very high pucker factor experience.

Ive had my 0320 ice up between the hangar and the runway and...
Forum: Nosewheel vs. Tailwheel 01-15-2021, 07:30 AM
Replies: 23
Views: 9,778
Posted By Christopher Murphy
Made me chuckle

I did alot of instruction in conventional gear airplanes , mostly experienced nose wheel pilots. What I experienced was that the real threat was pilot would start the airplane crow hopping.

Keeping...
Forum: RV Ongoing Maintenance Issues 01-13-2021, 08:01 PM
Replies: 13
Views: 1,973
Posted By Christopher Murphy
Tanks

I had slosh in my right tank that was failing. Rather than mess around with putting a bunch of holes in the baffle I just built a new tank. It requires some sheet metal skills knowing some...
Forum: RV-4 01-04-2021, 09:09 AM
Replies: 7
Views: 863
Posted By Christopher Murphy
Old newsletters

The plans revisions were included in the newsletters and were made as corrections on the plans. I had to build a new elevator some years ago and the parts I received were per the-new plans and did...
Forum: RV-4 01-02-2021, 01:18 PM
Replies: 29
Views: 3,866
Posted By Christopher Murphy
If the -4 wasn’t designed and such a success

Im not sure their would be an -8
The -8 looses in the bang for the buck argument

https://youtu.be/yDux0BHahrw

Cm
Forum: RV-4 12-31-2020, 01:32 PM
Replies: 29
Views: 3,866
Posted By Christopher Murphy
Missed the 40th but for a good reason

I really wanted to be at these activities but had to miss out for a good Reason. I had the honor and privilege of flying my RV4 in the airshows on Monday and Wednesday. The briefings and...
Forum: RV-4 12-25-2020, 09:28 AM
Replies: 56
Views: 8,731
Posted By Christopher Murphy
Ive had both catto and sensi GA

I like my sensi GA. Really performs all around. And no guess work.
Cm
Forum: RV-4 12-21-2020, 07:10 AM
Replies: 8
Views: 1,054
Posted By Christopher Murphy
Photos

I did the same, photos with labels. Most 35mm film. Im glad I did as it contains pictures of my kids with different assemblies or sitting in the “canoe”. The oldest was about 4 then and now in...
Forum: Places To Fly...Things to See...Things to Eat 12-02-2020, 02:49 PM
Replies: 4
Views: 567
Posted By Christopher Murphy
Love Jackson!

Flew the big jet in there many times over a 10 year period and it was probably my favorite place to go. Winter or summer

Cm
Forum: RV-4 11-15-2020, 10:20 AM
Replies: 11
Views: 2,675
Posted By Christopher Murphy
Rv-4 became uncontrollable

Its one thing to do some rolls but anything that puts you inverted at a slow speed might become a high pucker factor experience. I cant recall the details but I think an RV4 and its crew were lost...
Forum: RV-4 11-14-2020, 04:53 PM
Replies: 11
Views: 2,675
Posted By Christopher Murphy
CG

Nice video

Im pretty familiar with RV-4 acro. Any chance you could show us your weight and balance calculations for that flight? My -4 also has a light prop so Im curious what the numbers look...
Forum: My RV Build Project 11-02-2020, 03:12 PM
Replies: 19
Views: 13,341
Posted By Christopher Murphy
Question?

Do you have a builders manual? Are you using it?
Are you following it and reading through each section before you start work.

I built -4 over 20 years ago and I recall the manual was very detailed...
Forum: Safety 10-18-2020, 05:49 AM
Replies: 22
Views: 4,469
Posted By Christopher Murphy
30kts is a good limit

I live under the pattern at KFNL and there are days when it looks spectacularly perfect for flying but not a single light airplane is out. This is due to the turbulence associated with the winds at...
Forum: RV General Discussion/News 10-13-2020, 02:17 PM
Replies: 2
Views: 1,250
Posted By Christopher Murphy
First airplane

What your flying experience. That’s quite the choice for a first airplane.


Cm
Forum: RV General Discussion/News 10-07-2020, 11:30 AM
Replies: 4
Views: 1,486
Posted By Christopher Murphy
Awesome

Id like to take my grandson to see that. I couldnt see much but it looked awesome. My brother and I motocrossed and my mother went to watch only one time and asked to leave after she saw the start...
Forum: RV General Discussion/News 10-07-2020, 11:18 AM
Replies: 4
Views: 1,486
Posted By Christopher Murphy
4 ship

I think our group has done it for the past few years. It was my first time for this event. Were you there or did you see it on TV?
Cm
Forum: RV Building Tips/Techniques 10-03-2020, 08:28 AM
Replies: 8
Views: 1,247
Posted By Christopher Murphy
I did it on my RV4

Hi
I built a new right tank on my RV4. Its a big project but very doable. It will require thinking ahead and using some tricks for picking up the appropriate holes.

One trick is already mentioned...
Forum: RV Photo/Video URLs 09-20-2020, 08:58 PM
Replies: 13
Views: 4,218
Posted By Christopher Murphy
Cool place

We have been out to wendover twice.
Interesting airport and the salt flats and mountains make a pretty Sight.


[url]https://youtu.be/N5Fhojlk-3U

The first part of The second video was at Wendover...
Forum: RV Photo/Video URLs 09-11-2020, 08:27 AM
Replies: 12
Views: 2,806
Posted By Christopher Murphy
Smile Very nice

Very nice video!

Many airplanes can do aerobatics but few are as delightful as the RV-4.

Cm
Forum: RV General Discussion/News 07-19-2020, 09:16 PM
Replies: 7
Views: 1,610
Posted By Christopher Murphy
I have Seen this installation

My set up is pretty simple, a jug and a funnel at home. At the airshows they usually have a hose and a nozzle and a pump. Ive seen some high dollar performers with the fittings set up they had to...
Forum: RV-4 07-10-2020, 09:31 PM
Replies: 3
Views: 1,950
Posted By Christopher Murphy
I can't post picture here but...

I could email some pictures of pictures of my RV-4 set up on the right wing.

send me a pm with your email address if you want them.

cm
Forum: RV-4 07-04-2020, 06:55 AM
Replies: 7
Views: 2,981
Posted By Christopher Murphy
Huh

You told Catto to build a prop that gives you the performance you wanted in cruise. I dont like the terms cruise or climb prop. I prefer under or over pitched. Of course, there is more involved...
Forum: RV-4 07-03-2020, 11:58 PM
Replies: 7
Views: 2,981
Posted By Christopher Murphy
Pitch

Go for best cruise performance. Unless you fly off of a really short strip you dont need a climb prop. You will just be waisting capability.

Cm
Forum: RV Ongoing Maintenance Issues 06-30-2020, 07:53 PM
Replies: 22
Views: 3,849
Posted By Christopher Murphy
Amatures!

Every aircraft mechanic should have a speed handle with a Palm butt on the handle. Ive literally removed and replaced tens of thousands of screws on F4s with a speed handle. It will break the bit...
Forum: RV General Discussion/News 06-24-2020, 09:25 PM
Replies: 37
Views: 12,107
Posted By Christopher Murphy
Quiet...not really

We almost always monitor ?guard ? and if you fly high enough you will hear an amazing amount of unicom and traffic pattern calls on 121.5. Also common is the call to ramp control or operations. Of...
Forum: RV Ongoing Maintenance Issues 06-20-2020, 04:51 PM
Replies: 6
Views: 2,021
Posted By Christopher Murphy
No luck

I could not find the black O rings so just bought a new cap.

Sorry it took so long to reply
Cm
Forum: RV Ongoing Maintenance Issues 04-24-2020, 02:17 PM
Replies: 6
Views: 2,021
Posted By Christopher Murphy
Black O ring for the older caps

Thanks guys finding the brown one is easy. I will find the black one somewhere

Cm
Forum: RV Ongoing Maintenance Issues 04-19-2020, 04:24 PM
Replies: 6
Views: 2,021
Posted By Christopher Murphy
Fuel cap O ring

Ive searched the site with no luck

Anyone know the part number for the older large black o ring on the older fuel caps?

Thanks
Cm
Forum: Safety 04-11-2020, 07:49 PM
Replies: 48
Views: 7,856
Posted By Christopher Murphy
Slack in the chains

My rudder will deflect almost fully before it stears the tailwheel. It might even take a little shot of prop blast or brake to unlock it to swivel. I hear all the time how someones plane darts left...
Forum: Trip Write-ups 03-24-2020, 06:30 AM
Replies: 16
Views: 3,010
Posted By Christopher Murphy
Very nice wwite up and photos

A few years ago I flew a very large airplane into Zurich hoping to see the country from the air. Unfortunately it was
300 feet overcast and 1 mile visibility for the flight in and not much better on...
Forum: RV-4 03-23-2020, 10:09 PM
Replies: 24
Views: 4,303
Posted By Christopher Murphy
I disagree

I have thoudands of hours of tailwheel time and I learned from old CAP instructors. Ive flown many tw types including the Pitts S1S with narrow bungee gear and small verticle fin and small rudder. ...
Forum: RV-4 03-09-2020, 11:46 AM
Replies: 24
Views: 4,303
Posted By Christopher Murphy
Wheel landings

You will get a lot of opinions on this.

I only 3 point occasionally for practice but I prefer to wheel it in cross winds or gusty conditions. The -4 can handle a pretty tough xwind in the hands...
Forum: RV General Discussion/News 03-08-2020, 07:13 AM
Replies: 28
Views: 2,670
Posted By Christopher Murphy
Because

Because its a very good performing propellor even with the rpm restriction

Because Its vitually maintenance free

Because it might provide a CG that make the airplane more useful

Because it might...
Forum: RV-4 02-19-2020, 06:33 AM
Replies: 47
Views: 13,236
Posted By Christopher Murphy
I think better if it separated?

Watch this video. Not sure if the oscillating was PIO or from the canopy.

I know its not a tandem RV


https://youtu.be/BVTnp6fk7oM
Forum: Midwest 02-13-2020, 12:00 PM
Replies: 6
Views: 1,958
Posted By Christopher Murphy
Pre heat

Im on the front range.

If the temp in the hangar has been below 40F I pre heat. I use a small 1500 watt ceramic heater that I installed a galvanized stove pipe duct set up that pumps warm air...
Forum: RV General Discussion/News 02-08-2020, 12:44 PM
Replies: 6
Views: 647
Posted By Christopher Murphy
Cell

I used iflight on my ipad mini and the only connection on the ground or inflight was cellular. Only complaint was the 720 screen was awful in my RV-4

Note
I switched to foreflight in october. ...
Forum: Propellers 01-08-2020, 06:40 PM
Replies: 10
Views: 2,481
Posted By Christopher Murphy
I have the 160 hp version and I really like it. ...

I have the 160 hp version and I really like it. Not sure why your friend thinks the hub will crack?

Its not just another fixed pitch prop, the blade design , diameter, and the ability to tweak...
Forum: RV-4 12-29-2019, 10:30 AM
Replies: 16
Views: 2,098
Posted By Christopher Murphy
The trick

Should have drilled the bottom skins first.


Cm
Forum: Propellers 12-27-2019, 11:58 AM
Replies: 4
Views: 1,693
Posted By Christopher Murphy
Great prop

I really like mine. But...
I have 160 hp 0320 and found that I couldnt get enough pitch with it using the pins provided so Sensenich moved the index pins to the 180 hp location. Now its perfect and...
Forum: Glass Cockpit 12-17-2019, 06:52 AM
Replies: 17
Views: 4,683
Posted By Christopher Murphy
Design philosophy

Its funny but almost 30 years ago when I started my RV4, the philosophy was to make it as much unlike the airliner as possible. :)

A great airplane to maintain those perishable skills like holding a...
Forum: Safety 12-13-2019, 06:37 PM
Replies: 21
Views: 4,615
Posted By Christopher Murphy
Long softie

I use a long softie with the acro harness

Cm
Forum: Safety 11-29-2019, 04:40 PM
Replies: 19
Views: 3,495
Posted By Christopher Murphy
Give it a go with a good instructor. (Pitts)

Some years ago our line boy helped me ( he did most of the work) change the bungees on our old S1S. I told him, ? you are now among the rarest of rare, even more rare than a Pitts driver. You have...
Forum: RV General Discussion/News 11-21-2019, 07:43 PM
Replies: 20
Views: 2,859
Posted By Christopher Murphy
Moms are special

I have had several great moments giving my mother an airplane ride. She encouraged me when I was a 15 year old kid and even gave my flight instuctor and his pregnant wife private Lamaze child birth...
Forum: RV General Discussion/News 10-16-2019, 06:39 AM
Replies: 10
Views: 3,470
Posted By Christopher Murphy
Nice

I used to rib guys RV-8 guys that their panel cost more than my whole airplane but I think its true now!

Homebuilding sure has changed!
Cm
Forum: Traditional Aircraft Engines 10-10-2019, 07:59 AM
Replies: 13
Views: 2,361
Posted By Christopher Murphy
Find a friend who can show you

Its not that tough. Find some who can help you and teach you how. Part of EAB is to learn something.

Cm
Forum: Propellers 10-08-2019, 07:12 AM
Replies: 13
Views: 2,804
Posted By Christopher Murphy
Havent seen one for the 0320

I havent seen that one for the 0320 only the 360.

Cm
Forum: Propellers 10-07-2019, 09:03 PM
Replies: 13
Views: 2,804
Posted By Christopher Murphy
19.7k$

Thats more than I paid for my engine brand new... too much considering the value of a typical Rv4 o320. Why couldn?t they just make it a two blade and maybe keep the price down a bit?
Cm
:eek:
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