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Search: Posts Made By: Christopher Murphy
Forum: Propellers 11-12-2018, 09:39 PM
Replies: 14
Views: 866
Posted By Christopher Murphy
Re indexing

Steve

When they re indexed my blades I still use the pins they provided, you just use a lower numbered pin.

Cm
Forum: Propellers 11-12-2018, 04:00 PM
Replies: 14
Views: 866
Posted By Christopher Murphy
Love mine too

Love mine. O320 160 hp Rv4
I couldnt get enough pitch with the pitch pins so they reindexed the alignment pin to the 180hp position on the blades. No charge.

If they were smart they would give a...
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-03-2018, 09:48 PM
Replies: 1
Views: 310
Posted By Christopher Murphy
Stratus

I installed a garmin gtx335 in march
I had intended to buy a status but I let the avionics guy talk me into the garmin. I should have stayed with the stratus ES. Good luck!

Cm
Forum: RV Photo/Video URLs 10-18-2018, 05:53 PM
Replies: 4
Views: 1,074
Posted By Christopher Murphy
RV-4 is no slouch either. 👍

https://youtu.be/x9aAyQibuw8

These guys are awsome considering many of their airshow performances have been over 10,000 ft DA. The solos are great and the diamond really...
Forum: RV-4 10-14-2018, 11:03 AM
Replies: 19
Views: 1,975
Posted By Christopher Murphy
Maybe I wasnt clear

I was getting the impression the OP was under the impression that he could. Carry more weight in the back seat by reducing fuel. I was trying to explain that its not the weight as much as the CG...
Forum: RV-4 10-10-2018, 12:32 PM
Replies: 3
Views: 448
Posted By Christopher Murphy
3/8ths

I think mine measures 3/8th of an inch


Cm
Forum: Propellers 10-04-2018, 06:33 PM
Replies: 14
Views: 1,392
Posted By Christopher Murphy
I did it and a few others have too

If its the sensi GA prop I really like it

I had sabre mfg make a heavy spacer I think its 8 inch diameter

I just bought that light weight tailwheel that looks really nice but the rubber is so hard...
Forum: RV-6/6A 10-02-2018, 09:57 AM
Replies: 21
Views: 2,738
Posted By Christopher Murphy
If you dont have any acro experience

Get some training before you do it solo.
Its pretty simple but there are many ways to botch it up and you wont remember to push roll power stablize... you dont want to tail slide your rv
Cm
Forum: RV-4 09-27-2018, 07:02 PM
Replies: 19
Views: 1,975
Posted By Christopher Murphy
Do you understand?

People are telling you that the less fuel you have the farther aft the cg is?

With a very aft cg the airplane becomes much more difficult and demanding to fly. If you arent a stick and rudder...
Forum: RV Building Tips/Techniques 09-24-2018, 04:56 PM
Replies: 9
Views: 802
Posted By Christopher Murphy
Dont use a push on push off button

I have an arm switch that powers a relay operated by a small switch on the top of my stick grip. Small red LED light that is on when smoke is on.

I wish I had the switch on the throttle but I can...
Forum: RV General Discussion/News 09-24-2018, 11:22 AM
Replies: 5
Views: 701
Posted By Christopher Murphy
Prop for RV4

I have an RV4 160 hp Ive had 3 different props on it

Senesenich metal 81 in pitch great prop. Very good cruise speed but has a 2600 rpm restriction the weight up front really opens up how much you...
Forum: RV General Discussion/News 08-26-2018, 11:48 AM
Replies: 11
Views: 1,258
Posted By Christopher Murphy
No metal rubbing

Make sure the cables are not rubbing against any metal

Cm
Forum: RV-4 08-22-2018, 10:52 AM
Replies: 7
Views: 1,180
Posted By Christopher Murphy
Thumbs up You are gonna love it

These are great little airplanes! The best ones are built to the plans and light ;)
Ilove it when im out climbing some high powered Rv8s. Lol

https://youtu.be/yDux0BHahrw

Cm
Forum: RV-4 08-17-2018, 09:51 PM
Replies: 9
Views: 877
Posted By Christopher Murphy
Did the same thing

I also didnt drill the engine mount until the fuselage was off the jig and upright

Cm.
Forum: RV-4 08-17-2018, 05:45 PM
Replies: 9
Views: 877
Posted By Christopher Murphy
What I recall

I am pretty sure I did not drill any engine mount to firewall holes until I had the engine mount to use as a jig. i doubt your holes will line up if you drill them to the plans.

Maybe the kit is...
Forum: RV-6/6A 08-16-2018, 08:09 AM
Replies: 13
Views: 1,929
Posted By Christopher Murphy
Mounted upside down

If its mounted upside down as per early design you will never get all the air out until you turn the master cylinder right side up to bleed the system.

Cm
Forum: Reviews 07-18-2018, 05:53 PM
Replies: 10
Views: 1,789
Posted By Christopher Murphy
I got a call from Dynon and we discussed the...

I got a call from Dynon and we discussed the issue. The issue is resolved and I have restored confidence in that company. Here are a few thoughts as some think I over reacted.

First the unit was...
Forum: Reviews 07-17-2018, 05:55 PM
Replies: 10
Views: 1,789
Posted By Christopher Murphy
Dynon Avionics

I had my airplane down to change a mechanical fuel pump and I new it would be a few weeks to get it done. I had a ADS-B transponder installed and the place that did it did a sloppy job with the...
Forum: RV Ongoing Maintenance Issues 05-26-2018, 09:01 PM
Replies: 16
Views: 5,026
Posted By Christopher Murphy
Worked for me

I found a weather head fitting that was sleeve compression on 1 end and 1/8 pipe thread on other then added a AN pipe to flare...been working great for 15 years and 800 hours

Cm
Forum: RV Ongoing Maintenance Issues 05-20-2018, 07:44 AM
Replies: 16
Views: 5,026
Posted By Christopher Murphy
Chatter is from the metal brake lines

The metal brake line is causing the chatter.

Many certified aircraft have metal lines to a bracket close to the brake and then a short flex line to the brake.

Thats how my RV4 is,set up when I...
Forum: RV General Discussion/News 05-11-2018, 05:07 AM
Replies: 5
Views: 912
Posted By Christopher Murphy
Make sure you have the correct size and length rivet

Rivet too long? Wrong size?

Do a test in thicker material.
Cm
Forum: RV General Discussion/News 04-26-2018, 09:09 PM
Replies: 158
Views: 87,546
Posted By Christopher Murphy
Tornado

Flying west near Sterling colorado I flew past a tornado... yes I have a picture but i cant post it.
If someone else wants to post the picture I could email it to you

Cm
Forum: RV-8/8A 04-19-2018, 03:11 PM
Replies: 20
Views: 2,906
Posted By Christopher Murphy
Make too much of it..

Ive flown my rv4 with nothing connecting the tailwheel to the rudder several times..I like my chains loose so the rudder steers until about half deflection before the tailwheel gets pulled by the...
Forum: RV General Discussion/News 03-29-2018, 01:45 AM
Replies: 12
Views: 1,501
Posted By Christopher Murphy
The catto prop is a beautiful airworthy prop

Like the scraps I keep thinking I might need it some day.

Cm
Forum: RV Ongoing Maintenance Issues 03-28-2018, 03:25 PM
Replies: 66
Views: 13,489
Posted By Christopher Murphy
I bet

Id bet that if you do an oil change and filter inspection on july1st...and enter that in your log and then you fly your aircraft a few hours and sign off the condition inspection july 10th and july...
Forum: RV General Discussion/News 03-28-2018, 03:08 PM
Replies: 12
Views: 1,501
Posted By Christopher Murphy
Still have scraps from 1991

I bet alot us us do.. even have a catto prop that should go..

Maybe its time to clean it out..:)
Cm
Forum: RV General Discussion/News 03-28-2018, 12:40 PM
Replies: 64
Views: 5,583
Posted By Christopher Murphy
Phased or progressive inspections

No expert but I think the airplane better be safe for flight (airworthy) the date you put in your log book and sign it off or you might be risking an insurance loss. If you do an inspection a month ...
Forum: RV Photo/Video URLs 03-27-2018, 08:54 AM
Replies: 19
Views: 3,028
Posted By Christopher Murphy
Nice video

Curious about how you got the air to air shots?
Cm
Forum: Propellers 03-18-2018, 05:09 PM
Replies: 36
Views: 4,462
Posted By Christopher Murphy
I too have had both.

Too each his own and the three blade catto looks good
But the two blade props are more efficent and the plus on the Sensi GA prop is that you can tweek it for best all around performance. Its a...
Forum: RV-6/6A 03-03-2018, 08:41 AM
Replies: 7
Views: 1,030
Posted By Christopher Murphy
There are other great props too

Get your prop dialed in and it will be a great prop. Catto props are nice but there are other props that perform well too.

Cm
Forum: Propellers 02-25-2018, 06:45 PM
Replies: 36
Views: 4,462
Posted By Christopher Murphy
Sabre mfg made an oversize and solid extension...

Sabre mfg made an oversize and solid extension for me. I think it weighs 11lbs versus 2.5 compared to the one sensenich supplies

Cm
Forum: RV General Discussion/News 02-25-2018, 08:01 AM
Replies: 6
Views: 969
Posted By Christopher Murphy
About 1 wingspan

You are correct...about 1 wingspan or a little less.

This would be alot easier if I had cs prop.

Cm
Forum: RV General Discussion/News 02-24-2018, 08:01 PM
Replies: 6
Views: 969
Posted By Christopher Murphy
it can be done

I fly a RV-4 160 hp FP with the Renegade formation team and the lead accommodates my power deficit even at DAs over 10,000 feet.

Here is a video clip of me and an 180hp cs rv4 practicing for the...
Forum: Propellers 02-24-2018, 08:04 AM
Replies: 36
Views: 4,462
Posted By Christopher Murphy
Adjusting the pitch

Using the pitch pin system is very easy and acurate.
You can probably download the manual as a pdf or check their website for a video. Basically you loosen the clamp bolts, twist the blade so that...
Forum: Propellers 02-23-2018, 09:36 PM
Replies: 36
Views: 4,462
Posted By Christopher Murphy
I have one on my RV4

I have a sensi GA prop on my 0320 RV4

I am very pleased with the performance.. I had to have the index pins changed to the 180hp setting to allow enough pitch. I believe the blades are the same for...
Forum: RV-4 01-27-2018, 03:15 PM
Replies: 14
Views: 2,563
Posted By Christopher Murphy
Rv4s

Here is a video of 2 RV4s

In waivered airspace...


https://youtu.be/yDux0BHahrw

Cm
Forum: RV General Discussion/News 12-29-2017, 11:18 AM
Replies: 106
Views: 14,880
Posted By Christopher Murphy
I never run one dry

I never run a tank lower than about 5 gallons...on a long flight i climb out on one then switch to the other. I run it until about 30 mins of fuel remain then switch. I dont have a fuel flow meter...
Forum: RV General Discussion/News 11-27-2017, 02:52 PM
Replies: 112
Views: 19,166
Posted By Christopher Murphy
Some Boston is good

https://youtu.be/x9aAyQibuw8

From the ground...no music

https://youtu.be/4Sm9l6EpjKc

Cm
Forum: RV Building Tips/Techniques 11-23-2017, 12:56 PM
Replies: 20
Views: 2,811
Posted By Christopher Murphy
If its an oversize rivet?

If its an oversized shank how does it go into the #40 hole on the nutplate and if the head is undersize how does it fill a normal #40 countersink or dimple?

Cm
Forum: RV Building Tips/Techniques 11-23-2017, 07:48 AM
Replies: 20
Views: 2,811
Posted By Christopher Murphy
Nutplatws and oops rivets

Are you guys using the oversize rivet on everynut plate?

If so why?

Cm
Forum: RV Building Tips/Techniques 11-22-2017, 02:23 PM
Replies: 20
Views: 2,811
Posted By Christopher Murphy
Cleco?

Probably dont need a cleco unless you drilled a bunch of adjacent holes 1/2 size over. A 3/32 cleaco might expand enough for that hole too.

Cm
Forum: RV-4 11-17-2017, 07:33 PM
Replies: 9
Views: 1,040
Posted By Christopher Murphy
Cs prop / fp formation loops

Michael,
Im the only RV 4 on the team and fixed pitch prop. We all had to pass a formation acro eval to get our endorsements so I had to be able to do it well...took alot of practice and...
Forum: RV-4 11-16-2017, 08:21 PM
Replies: 9
Views: 1,040
Posted By Christopher Murphy
Empty weight

970lbs 0320 160 hp 1030 hrs

I have a sensenich GA prop. Set for best cruise.
I get my best climb rate at about 125kias above 5000ft DA

When i do the airshow i usually have full tanks but no less...
Forum: RV-4 11-16-2017, 04:54 PM
Replies: 9
Views: 1,040
Posted By Christopher Murphy
During our airshow routine I lead a high powered...

During our airshow routine I lead a high powered RV8 in a climb to reposition and more than once I have been told that he has a hard time climbing with me...0320 RV4
FP. Of course thats at my best...
Forum: RV General Discussion/News 11-07-2017, 10:40 PM
Replies: 80
Views: 12,436
Posted By Christopher Murphy
Parts to maintain the fleet

Most of the parts could be fabricated by anyone who put the effort into it. I wonder if the more difficult parts not fabbed at Vans could be contracted from the source vendor. Its not like the...
Forum: RV-4 10-24-2017, 04:56 PM
Replies: 8
Views: 1,518
Posted By Christopher Murphy
Nice pics cobra

Hans

Funny how they get to be party of the family..mine is..

Murph
Forum: Traditional Aircraft Engines 10-19-2017, 11:28 AM
Replies: 6
Views: 884
Posted By Christopher Murphy
Here is a link to a video. At least you can see...

Here is a link to a video. At least you can see what it is.


https://youtu.be/nzkykFRlBgw

Cm
Forum: RV Ongoing Maintenance Issues 10-18-2017, 01:44 PM
Replies: 26
Views: 2,614
Posted By Christopher Murphy
Forum: RV Ongoing Maintenance Issues 10-17-2017, 02:39 PM
Replies: 26
Views: 2,614
Posted By Christopher Murphy
Failure to cummicate

I guess I am not being clear..the diode was installed exactly per the instructions for the 4 pole solenoid.
The diode was from the S term to the I term.

I understand the purpose of the diode and...
Forum: RV Ongoing Maintenance Issues 10-17-2017, 10:15 AM
Replies: 26
Views: 2,614
Posted By Christopher Murphy
I think I understand the diode better

So basically the I term completes the circuit to ground..so putting the the banded end of the diode on the terminal is the same as grounding it. Alot of videos and articles show the diode going...
Forum: RV Ongoing Maintenance Issues 10-16-2017, 07:50 PM
Replies: 26
Views: 2,614
Posted By Christopher Murphy
Thanks guys

Bob and Charlie

I thought the same thing. I think its been wrong forever and when the diode failed it energized the coil..

I put it on as directed by the instructions in the packet it came in an...
Forum: RV Ongoing Maintenance Issues 10-16-2017, 05:13 PM
Replies: 26
Views: 2,614
Posted By Christopher Murphy
simple

pretty standard set up

battery wire in and out to starter

starter switch wire to coil terminal..( the one that energizes the relay)

the diode wire was from the above term to the I terminal......
Forum: RV Ongoing Maintenance Issues 10-16-2017, 04:50 PM
Replies: 26
Views: 2,614
Posted By Christopher Murphy
starter selonoid and diode

Today my starter stayed engaged after I released the starter switch. I checked the power lead to the solenoid and the switch was functioning properly. I isolated the solenoid and mechanically...
Forum: RV General Discussion/News 10-16-2017, 09:04 AM
Replies: 14
Views: 2,912
Posted By Christopher Murphy
Ifr great tool

I read your story and one thing popped out at me..auto pilot on..

Auto pilot is a nice thing to have but dont bet your life on it. Could you fly that whole trip without your Autopilot.

First real...
Forum: RV-4 10-12-2017, 06:08 PM
Replies: 9
Views: 1,437
Posted By Christopher Murphy
Ive tried both

I hold the SARL speed record in my class. Ive tested both on my rv4 and found no difference...

The 3 biggest things i did to go faster with my stock 160hp engine was a fast propellor, adjust the...
Forum: RV Photo/Video URLs 10-06-2017, 02:15 PM
Replies: 0
Views: 507
Posted By Christopher Murphy
Pretty day for an airshow in colorado

I got alot of nice video over last weeked traveling to, during, flying home from the grand junction airshow.

Here are some clips from the friday practice

This is my view as number 5. What you dont...
Forum: RV-4 10-01-2017, 05:20 AM
Replies: 31
Views: 7,666
Posted By Christopher Murphy
Tailwheel

If you cant keep the airplane on the runway with full rudder deflection and brake application the tailwheel which probably has less than 45lbs of weight on it will probably just skid the same as...
Forum: Nosewheel vs. Tailwheel 09-11-2017, 10:33 PM
Replies: 32
Views: 6,870
Posted By Christopher Murphy
Video of a fairly strong cross wind landing in rv4

https://youtu.be/IzumJUl6POc

Cm
Forum: RV-8/8A 08-21-2017, 10:01 PM
Replies: 14
Views: 5,021
Posted By Christopher Murphy
I have this prop and Sabre made a custom spacer...

I have this prop and Sabre made a custom spacer for me. Its 8 inch dia x2.25 solid. 11lbs if I recall.
Ive been very pleased except I had to have it changed to the 180hp version to get enough pitch...
Forum: RV Ongoing Maintenance Issues 08-21-2017, 05:36 PM
Replies: 2
Views: 688
Posted By Christopher Murphy
Thanks...

I was hoping they still made it..

Didnt like mirror glaze

I will try plexus

Thanks

Cm
Forum: RV-12 08-20-2017, 11:38 PM
Replies: 1
Views: 1,258
Posted By Christopher Murphy
Great service too

I sent my blades back to have the index pins changed to allow more pitch. They did it fast and friendly service

Cm
Forum: RV Ongoing Maintenance Issues 08-20-2017, 11:32 PM
Replies: 2
Views: 688
Posted By Christopher Murphy
Permatex plastic cleaner

Ive used dupont permatex plastic cleaner for more than 30 years ( used it to clean F4 canopies) I just ran out and seems impossible to find it...anyone know of a supplier...?
Thanks
Cm
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