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Search: Posts Made By: andoman
Forum: Traditional Aircraft Engines 09-21-2022, 10:13 AM
Replies: 3
Views: 289
Posted By andoman
I apologize for offering an opinion vice a...

I apologize for offering an opinion vice a specific answer. Especially since my opinion is based mostly on research and not actual experience, but since no one has chimed in…
Switch to SDS EFI and...
Forum: Propellers 09-20-2022, 11:46 PM
Replies: 1
Views: 200
Posted By andoman
I have a Twin Comanche prop and governor on my...

I have a Twin Comanche prop and governor on my -4.
I don’t have a feather detent in my prop lever so the prop can’t be commanded to feather. I also have course pitch stops that were installed at...
Forum: RV-7/7A 09-13-2022, 08:24 PM
Replies: 10
Views: 842
Posted By andoman
The loads on the 9’s larger flaps necessitate the...

The loads on the 9’s larger flaps necessitate the more robust hex rods.
The standard rods are fine but have less margin should a flap over speed occur.
The standard rods are also less forgiving of...
Forum: VAF Classifieds (posts in here deleted after 30 days) 08-26-2022, 12:21 AM
Replies: 5
Views: 574
Posted By andoman
May have one

I’ll rummage around the hangar tomorrow.
Dan
Edit: I’m sure mine is a panel mount. Sorry.
Forum: RV-4 08-16-2022, 04:46 AM
Replies: 13
Views: 1,322
Posted By andoman
I’m just finishing the install of an IFR package...

I’m just finishing the install of an IFR package in the rocket.
I second Carl’s “integrates” and “plays well” wisdom: I recommend sticking with a complete system from one manufacturer.
FWIW, I...
Forum: RV-4 08-16-2022, 03:53 AM
Replies: 7
Views: 552
Posted By andoman
Space

My -4 has one of these. My rocket is quadrant is from a -8. For the space savings the Baxter unit seems a better fit in the -4.
Forum: Traditional Aircraft Engines 08-13-2022, 03:11 PM
Replies: 11
Views: 865
Posted By andoman
+1 I’ve washed dirt bikes thousands of times. ...

+1
I’ve washed dirt bikes thousands of times. Any starting issue afterwards has always been water intrusion into the ignition system.
Questions: Was it washed with the cowl off? Do you have an EI?
Forum: RV-4 08-10-2022, 08:25 PM
Replies: 16
Views: 1,351
Posted By andoman
Ha! I built and covered a set of Kitfox wings in...

Ha!
I built and covered a set of Kitfox wings in the living room.
At least the aluminum won’t reek of MEK and Stits Poly-Brush… I still can’t believe I survived that one.
BEST WIFE EVER!!
Forum: RV-4 08-10-2022, 01:52 PM
Replies: 16
Views: 1,351
Posted By andoman
Pulling the wings is easy and straight forward. ...

Pulling the wings is easy and straight forward.
-pull flaps and ailerons
-Use 2 helpers (3 is better)
-need some means of support. Coolers with pillows and blankets or old sofa cushions work well....
Forum: RV-4 08-08-2022, 11:07 AM
Replies: 16
Views: 1,351
Posted By andoman
Great advice so far. -Place the Trim servo on...

Great advice so far.
-Place the Trim servo on the deck under the vertical stab.
-Duckworks mount and Fly LED’s for landing and taxi lights in the leading edge
-External position lts and strobes on...
Forum: Traditional Aircraft Engines 07-19-2022, 10:58 AM
Replies: 0
Views: 302
Posted By andoman
IO-540 non-impulse Mag on Left Side

I searched and couldn’t find an answer so I’ll ask the brain trust:
IO-540C4B5 with SDS CPI2 on the right and Slick on left.
Id like to run a non-impulsed coupled mag on the left side to eliminate...
Forum: Traditional Aircraft Engines 07-12-2022, 11:09 PM
Replies: 7
Views: 1,016
Posted By andoman
I have had success on a -7A (200 hp angle valve)...

I have had success on a -7A (200 hp angle valve) and a -4 (IO320) by spacing the oil cooler aft, off the baffle. I also angled it downward a few degrees. This creates a dedicated mini plenum in...
Forum: RV-4 06-30-2022, 07:53 AM
Replies: 13
Views: 1,754
Posted By andoman
I, too have a nose heavy plane. I worked up to...

I, too have a nose heavy plane. I worked up to my aft CG comfort level with weights in backpacks secured in the rear seat and baggage compartment.
I can fly comfortably with 200 lbs. in the back.
Forum: Rocket 06-16-2022, 10:02 AM
Replies: 19
Views: 2,979
Posted By andoman
Adding to the Drift

To the OP: Between tail feathers, wings, canopies and FWF, the “Rocket” may be the most mixed and matched EAB aircraft flying.



Ditto: Mark and Vince are great!

vlittle, or Mark, care to share...
Forum: Rocket 06-06-2022, 08:42 PM
Replies: 3
Views: 570
Posted By andoman
I, too am trying to picture it. How far will...

I, too am trying to picture it.
How far will the ribs shift?
If you are only moving them a wee bit, say the width of a flange, you could swap “L” and “R” flanged ribs to keep the center of the...
Forum: Rocket 06-03-2022, 06:41 PM
Replies: 8
Views: 1,924
Posted By andoman
Amen! Makes me want to scream… Thanks for the...

Amen!
Makes me want to scream…
Thanks for the info and please resurrect this thread after you have flown behind it.
Forum: RV-3 05-30-2022, 02:31 PM
Replies: 2
Views: 380
Posted By andoman
Here is a recent thread in the -4 forum that may...

Here is a recent thread in the -4 forum that may help: https://vansairforce.net/community/showthread.php?t=206401
Try this google search for more threads: aileron rigging vaf site:vansairforce.net
Forum: Traditional Aircraft Engines 05-28-2022, 10:15 AM
Replies: 3
Views: 714
Posted By andoman
Read this: ...

Read this: https://blog.aopa.org/aopa/2015/03/19/champion-from-denial-to-acceptance/
We had lots of fouling and marginal mag checks on a 182’s 0-470. Resistance of the older vintage Champions...
Forum: RV-4 05-20-2022, 08:22 AM
Replies: 5
Views: 846
Posted By andoman
Has anyone had to remove material into the...

Has anyone had to remove material into the longeron to some degree in order to get the hole big enough?
Forum: RV-8/8A 05-09-2022, 10:27 AM
Replies: 33
Views: 16,800
Posted By andoman
For my take on what Paul is describing try this...

For my take on what Paul is describing try this link: ...
Forum: RV-8/8A 05-03-2022, 07:17 PM
Replies: 14
Views: 1,920
Posted By andoman
I’m surprised no one has chimed in. I was about...

I’m surprised no one has chimed in.
I was about to ask the same question in the Rocket forum.
The stick is perfect in the -4 but is awkwardly forward for me in the HRII.
For $50 I’ll roll the...
Forum: RV-4 04-21-2022, 10:45 AM
Replies: 7
Views: 1,048
Posted By andoman
Here’s my experience/understanding as an owner...

Here’s my experience/understanding as an owner of a sweet short gear 160hp CS -4:
-Our weldments were replaced before we owned it. They hadn’t cracked; the PO just wanted it done. If not cracked,...
Forum: Traditional Aircraft Engines 04-19-2022, 01:16 PM
Replies: 7
Views: 584
Posted By andoman
Thanks, Art. I think that is twice the thickness...

Thanks, Art. I think that is twice the thickness of the Van’s material. The 6 in. width does give more shaping options though.
I’m hoping someone will chime in with an exact match. When initially...
Forum: Traditional Aircraft Engines 04-17-2022, 06:10 PM
Replies: 7
Views: 584
Posted By andoman
Thanks, Steve

Thanks, PM sent
Forum: Traditional Aircraft Engines 04-17-2022, 03:22 PM
Replies: 7
Views: 584
Posted By andoman
AIRSEAL Baffling Source

Van’s has been out of the AIRSEAL material for some time.
Does anyone know of an alternate source for the same material?
Not looking for a discussion on alternative material.
I searched but couldn’t...
Forum: RV-4 04-01-2022, 09:57 AM
Replies: 20
Views: 2,128
Posted By andoman
I have Steve Sampson’s mod. I think Aerosport...

I have Steve Sampson’s mod. I think Aerosport Power has been doing this on their engines destined for -4’s. It can be done with the engine in place:
-Use a long drill bit to drill a 1/8 dia. hole in...
Forum: RV-4 02-16-2022, 10:14 AM
Replies: 414
Views: 403,979
Posted By andoman
Couple of thoughts: -My V6 had the exact same...

Couple of thoughts:
-My V6 had the exact same issues out of the box. I tossed it in favor of a Trigg.
-Had the exact same high CHT issue after install of an E-Mag. First adjustment was to the max...
Forum: RV-4 02-11-2022, 09:49 AM
Replies: 7
Views: 1,363
Posted By andoman
-I find the many builder blogs very helpful....

-I find the many builder blogs very helpful. Here’s a great one: http://gikonhome.blogspot.com/2008/11/flying-and-testing.html
-Vince Frazier’s Rocket blog has some specific gear leg fairing info. ...
Forum: RV-4 02-09-2022, 08:19 AM
Replies: 3
Views: 825
Posted By andoman
Curious as to why those dates are relevant....

Curious as to why those dates are relevant.
Aren’t the weldments part of the fuselage kit and the gear part of FWF kit? Lots of “older” kits with the upgraded components incorporated during the...
Forum: RV-4 02-04-2022, 09:09 PM
Replies: 36
Views: 4,977
Posted By andoman
I agree that the fwd CG is more of a benefit than...

I agree that the fwd CG is more of a benefit than a liability. Aft CG is the -4’s Achilles heel. My CG is close to the fwd limit solo: IO-320 CS prop. It’s easy to fly with a 180 pounder in the...
Forum: RV-4 01-31-2022, 09:04 AM
Replies: 16
Views: 2,302
Posted By andoman
Enforcer

Or a Navion…

Piper had the chance with the Enforcer project. They stuck with the tailwheel. I’m betting that at least a tiny part of that decision was aesthetics.
Forum: RV-4 01-28-2022, 09:00 AM
Replies: 6
Views: 1,194
Posted By andoman
For the rudder I made a simple lock from scrap...

For the rudder I made a simple lock from scrap that pins the rudder horn to the rudder stop:
- I drilled a vertical hole in the rudder horn and the rudder stop.
- I placed two pins in a 7/8W X 4ishL...
Forum: RV-4 01-16-2022, 09:57 AM
Replies: 15
Views: 4,584
Posted By andoman
Hopefully someone chimes in with a link to a...

Hopefully someone chimes in with a link to a documented repair effort.
My short geared -4 came from Canada and the weldments were replaced some years ago. I’ve built a 7A so I’ve installed those...
Forum: RV-4 12-20-2021, 09:04 AM
Replies: 27
Views: 4,981
Posted By andoman
I found some pix at the HP Aircraft LLC website...

I found some pix at the HP Aircraft LLC website here: https://hpaircraftblog.wordpress.com/short-wingtips-for-rv-4-through-rv-8/
The pix are of tips without the lighting provision so I’m looking...
Forum: Rocket 11-23-2021, 08:45 AM
Replies: 3
Views: 1,572
Posted By andoman
I acquired my rocket project with the flaps...

I acquired my rocket project with the flaps already built and fitted. Their “stops” are set up opposite of the plans:
There is no overlap of flap / fuselage on the bottom.
Rather, there are angles...
Forum: Rocket 11-18-2021, 12:01 PM
Replies: 6
Views: 2,040
Posted By andoman
I fly formation with a local Super Six. A very...

I fly formation with a local Super Six. A very sexy plane. It has a 14 in. stretch in the center fuselage section in addition to the long nose.
Essentially a one-off build.
A 215 HP IO-390 -7 would...
Forum: RV-4 11-11-2021, 02:15 PM
Replies: 8
Views: 1,391
Posted By andoman
Hmmmm… My parts list for the -4 ends at W-424....

Hmmmm…
My parts list for the -4 ends at W-424.
The “list” in the mothership store returns no items for W-431 and 2
Forum: RV-4 10-20-2021, 11:14 PM
Replies: 4
Views: 1,143
Posted By andoman
Combo Light

I second Fly LED’s combo light. Got mine from Flyboys.
Ask for an extra diffuser disk to spread the light more.
Fits in the Duckworks mount with minor tweaking.
Forum: Rocket 09-25-2021, 12:33 PM
Replies: 5
Views: 1,343
Posted By andoman
The original vents on the RV4 had chaffed through...

The original vents on the RV4 had chaffed through where they passed through a loose adel.
I replaced them with the Rocket style vents: No siphoning and I have over filled them a few times.
I built...
Forum: RV-4 09-21-2021, 11:22 AM
Replies: 11
Views: 2,506
Posted By andoman
I don’t mind the creep: I’m at the same stage as...

I don’t mind the creep: I’m at the same stage as the OP.
Sully, please keep us updated on what what you learn and your experience through the final result.
Thanks!!
Forum: RV-4 07-09-2021, 10:05 AM
Replies: 5
Views: 1,538
Posted By andoman
I installed the throttle exactly as above. I...

I installed the throttle exactly as above.
I also added a rear flap switch below the throttle.
Rudder pedals are of my own design: “c” shaped weldments of 1/2 in CrMo. tubing. They are secured by...
Forum: RV-4 06-29-2021, 11:11 PM
Replies: 14
Views: 3,372
Posted By andoman
You will be very happy. I have similar simple...

You will be very happy.
I have similar simple panel: G5, Dynon EMS and a dock mounted 796
I couldn’t be happier.
Forum: RV-4 06-25-2021, 12:07 AM
Replies: 14
Views: 2,880
Posted By andoman
I second the electric flap kit from Vans. As for...

I second the electric flap kit from Vans.
As for trim: I’m about to ditch my manual trim. I want the trim on my stick grip where it belongs. So I’ll be fitting a servo to the end of the stock...
Forum: RV-4 06-14-2021, 08:19 AM
Replies: 7
Views: 1,514
Posted By andoman
The AOA at the 3pt attitude is lower than stall...

The AOA at the 3pt attitude is lower than stall AOA. So it can’t be stalled near touchdown and plonked down on 3 points. It has to be flown on to the deck in a 3 pt attitude.
Trying to do a “full...
Forum: RV-4 06-13-2021, 01:16 AM
Replies: 7
Views: 1,514
Posted By andoman
Short or Long Gear?

The rudder is plenty effective in the 3 point attitude. If you have short gear that attitude is fairly flat with several knots of flying speed above the stall. No real full stall landing possible...
Forum: Rocket 06-09-2021, 08:22 PM
Replies: 12
Views: 2,591
Posted By andoman
Decided on the Mod

This morning I went all in with Vince and Mark for the leg and mount upgrade.
The decision ends up as a no brainer, but only after being enlightened further by you fine folks.
I’m a 40 year...
Forum: Rocket 06-08-2021, 12:41 PM
Replies: 12
Views: 2,591
Posted By andoman
Thanks! I appreciate the comments. My Rocket...

Thanks!
I appreciate the comments.
My Rocket has a 15 gal aux fuel tank in lieu of smoke tank.
I really hope to hear more from those with time in HR2’s with standard gear.
Thanks again
Forum: Rocket 06-07-2021, 08:16 PM
Replies: 12
Views: 2,591
Posted By andoman
Thanks, Jim, for the quick reply. The improved...

Thanks, Jim, for the quick reply.
The improved geometry of the F1 gear is exactly why I’m asking the question.
The majority of the HR2’s seem to be flying fine with the stock gear, but it is less...
Forum: Rocket 06-07-2021, 07:23 PM
Replies: 12
Views: 2,591
Posted By andoman
HR2 Gear Legs (F1 mod?)

My HR2 is at the “paint and panel to go“ stage. Fortunately I acquired it that far along.
I’ve read every Rocket thread and searched high and low throughout the RV gear leg stiffener threads.
My...
Forum: RV-4 06-04-2021, 06:13 PM
Replies: 66
Views: 14,011
Posted By andoman
Yikes!

I thought your upper gear leg fairing was going to fly off!

My issue is I need to stiffen the gear in the up and down plane. I have a long prop on a short gear -4 and would like to lessen the gear...
Forum: Propellers 06-03-2021, 09:48 PM
Replies: 10
Views: 2,723
Posted By andoman
Get well

Wishing you a speedy recovery, Steve.
I’ve traded some emails with GT in Italy. I’m keenly interested in swapping out my 71” diameter Hartzell blades for a pair of shorter GT’s on my short geared...
Forum: RV-4 05-31-2021, 12:29 PM
Replies: 3
Views: 839
Posted By andoman
Clay Mold

Some builders have the skills to fabricate it out of aluminum.
Most use the same “clay mold” process used to make the gear leg intersection fairings.
Forum: RV-4 05-12-2021, 08:41 AM
Replies: 5
Views: 1,663
Posted By andoman
Revisions

Excellent advice so far.
I’ll echo some of it.
I spent the last year refurbishing a four that first flew in 87.
A -4 of that era was one of the first ones started. Since then there have been a...
Forum: RV-4 03-27-2021, 11:53 PM
Replies: 10
Views: 1,582
Posted By andoman
I just did this and one stop shopped at Flyboy’s....

I just did this and one stop shopped at Flyboy’s. I cut and reused the old tail spring.
Screaming eagle yoke, light weight wheel, adapter kit.
Instructions were easy to follow.
Old tail spring...
Forum: RV-4 03-11-2021, 10:07 AM
Replies: 28
Views: 3,770
Posted By andoman
I’ll also be upgrading to Vans’ pants and 380...

I’ll also be upgrading to Vans’ pants and 380 tires on my short gear -4.
I have a 72 in CS prop...
Forum: RV-4 02-07-2021, 03:15 PM
Replies: 15
Views: 2,953
Posted By andoman
I concur. I’m a former military and current RV...

I concur.
I’m a former military and current RV formation instructor and believe all that’s needed in the back are stick and throttle.

Here’s a link to a video and photo of my rear seat throttle...
Forum: RV-4 01-29-2021, 11:29 AM
Replies: 15
Views: 2,953
Posted By andoman
I do not have foot wells but the angles...

I do not have foot wells but the angles supporting the bearing blocks are far enough forward so wells will fit aft of them should I decide to install them later.

I split the two nicopress sleeves...
Forum: RV-4 01-28-2021, 08:27 PM
Replies: 15
Views: 2,953
Posted By andoman
Dang. I’m somewhat of a Luddite... Try this:...

Dang.
I’m somewhat of a Luddite...
Try this: https://photos.app.goo.gl/VxQfWdu713vJTggA8
If it works I’ll edit the link in my first post.
Forum: RV-4 01-27-2021, 11:22 AM
Replies: 15
Views: 2,953
Posted By andoman
See my setup here: ...

See my setup here: https://photos.app.goo.gl/VxQfWdu713vJTggA8 (Edited the link: hope it works now...)
I welded up some CRMO tubing for the pedals.
Added a 2x2 1/8 in. thick angle to the floor as a...
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