VansAirForceForums  
Home > VansAirForceForums

- POSTING RULES
- Donate yearly (please).
- Advertise in here!

- Today's Posts | Insert Pics


Go Back   VAF Forums > Search Forums
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read

Showing results 1 to 57 of 57
Search took 0.01 seconds.
Search: Posts Made By: Lufthans
Forum: RV-4 04-07-2019, 09:03 AM
Replies: 12
Views: 1,431
Posted By Lufthans
And as an FYI: Vans has a Autocad file of a plain...

And as an FYI: Vans has a Autocad file of a plain panel on their web site (or at least, it used to be on the old site, I'm sure they've found a place for it on their new one as well). This file...
Forum: RV models of the future (RV-??) 03-30-2019, 01:33 PM
Replies: 465
Views: 122,072
Posted By Lufthans
I would think that something between the -9 and...

I would think that something between the -9 and -10 would make more sense for Vans. A sporty four-seater with the back seats more sized for a pair of children (or small wives) rather than chubby...
Forum: RV-4 03-30-2019, 04:09 AM
Replies: 10
Views: 1,172
Posted By Lufthans
2.5 years of building? Wow... Congratulations on...

2.5 years of building? Wow...

Congratulations on this first flight!!

Hans
Forum: RV-4 03-29-2019, 03:11 AM
Replies: 12
Views: 1,431
Posted By Lufthans
Love it! Very lightweight and small box. A...

Love it!

Very lightweight and small box. A breeze to install and set up, very affordable (I believe we've paid around $850 for it) and works flawlessly.

They have two different models, one with...
Forum: RV-4 03-28-2019, 09:30 AM
Replies: 12
Views: 1,431
Posted By Lufthans
That's exactly what we've done. Works...

That's exactly what we've done. Works well..

http://lufthans.nl/photos/IMG_3504-small.jpg
Forum: Propellers 03-16-2019, 03:26 PM
Replies: 8
Views: 1,178
Posted By Lufthans
I can't comment on this particular prop. I do...

I can't comment on this particular prop. I do have experience with several props on my Jodel, and the difference can be pronounced.

Last September I wrote this post in the RV-4 section, where I...
Forum: RV-4 03-14-2019, 08:24 AM
Replies: 5
Views: 575
Posted By Lufthans
Hi Ryan, I can't remember how the pitot is held...

Hi Ryan,

I can't remember how the pitot is held in place in ours, sorry. It is indeed running between the spar and the fuel tank, that I do remember.

On your second question: The wiring for the...
Forum: RV models of the future (RV-??) 03-01-2019, 02:31 PM
Replies: 465
Views: 122,072
Posted By Lufthans
We have 5 Falco's at our local airstrip, and...

We have 5 Falco's at our local airstrip, and number 6 in the works (for decades).

Despite their tapered wings and retractable gear, our dirt simple RV-4 with 160 hp O-320 and fixed pitch (Catto)...
Forum: RV models of the future (RV-??) 12-06-2018, 11:55 AM
Replies: 62
Views: 10,351
Posted By Lufthans
My other planes are a Subaru-powered Jodel...

My other planes are a Subaru-powered Jodel http://lufthans.nl/photos/10470996_531629266965865_1183654377071488932_n.jpg

and a Bowers Fly Baby.
http://lufthans.nl/photos/PH-BRR.jpg

Both not really...
Forum: RV-4 11-27-2018, 08:36 AM
Replies: 10
Views: 1,300
Posted By Lufthans
What's so bad about having the fuel line angle...

What's so bad about having the fuel line angle down ever so slightly, I am wondering?
Forum: Alternative Engines 11-26-2018, 08:35 AM
Replies: 11
Views: 2,030
Posted By Lufthans
Nice work, thanks! It seems like I'm the only...

Nice work, thanks!

It seems like I'm the only one with a hydraulic c/s prop there (and that with by far the slowest aircraft - my wood & fabric Jodel with its immense, thick wing.)

Coming from a...
Forum: Alternative Engines 11-26-2018, 08:28 AM
Replies: 11
Views: 2,030
Posted By Lufthans
Ah, the Eggenfellner forum. I've been a member...

Ah, the Eggenfellner forum. I've been a member pretty much from the start.

There also used to be (and maybe still is?) Airsoob, Flysoob and late Garfield Willis' AirSIG. Lots of knowledge...
Forum: International 11-24-2018, 06:14 AM
Replies: 11
Views: 3,380
Posted By Lufthans
I concur with most what's posted here. Like Joop,...

I concur with most what's posted here. Like Joop, I am in The Netherlands. I own three experimentals here that I have on PH register. Personally, I wouldn't want to have to deal with the red tape of...
Forum: Alternative Engines 11-20-2018, 01:18 PM
Replies: 11
Views: 2,030
Posted By Lufthans
Which one do you mean Andy?

Which one do you mean Andy?
Forum: Alternative Engines 11-20-2018, 12:59 PM
Replies: 11
Views: 2,030
Posted By Lufthans
I just LOVE my EJ-25 installation on my Jodel....

I just LOVE my EJ-25 installation on my Jodel. Has proven extremely reliable, very powerful and smooooooooth.

Next project (once I've finished a number of other things) will be a Rocket with a...
Forum: RV-4 11-07-2018, 05:59 AM
Replies: 4
Views: 562
Posted By Lufthans
I've never quite understood the electric flap...

I've never quite understood the electric flap thing.

What's wrong with the manual flap lever setup?

It's simple, with a total part count in the single digits
It's super lightweight
It's utterly...
Forum: RV-4 11-06-2018, 05:50 AM
Replies: 2
Views: 930
Posted By Lufthans
I've got the one that Sam has in my Jodel and...

I've got the one that Sam has in my Jodel and really don't use it at all. The location on my panel might have something to do with it. Unless it's right at the top, where it can be seen at a quick...
Forum: RV-4 10-24-2018, 06:04 AM
Replies: 5
Views: 847
Posted By Lufthans
You'll never notice the 6-8 oz. You'll have more...

You'll never notice the 6-8 oz.

You'll have more difference than that because of your pitot tube on one side. Or if you carry one gallon of fuel extra on one side.

Don't worry about this. You'll be...
Forum: RV-4 10-21-2018, 11:40 AM
Replies: 9
Views: 1,000
Posted By Lufthans
We've done the same thing recently when we bought...

We've done the same thing recently when we bought ours. Left out the vacuum pump, the hoses, filter, DG, AH, T&B, and while we were at it, the VOR as well, and with it the boat anchor NAV/COM unit...
Forum: RV-4 10-18-2018, 04:19 AM
Replies: 12
Views: 1,733
Posted By Lufthans
6'4" with 36" inseam here. I kept ours stock....

6'4" with 36" inseam here.

I kept ours stock. The pedals as far forward as they will go without hitting the firewall. I can use the stock bottom cushion, and simply remove the one behind my back....
Forum: RV-4 09-29-2018, 10:07 AM
Replies: 5
Views: 1,201
Posted By Lufthans
A common misconception is that the constant speed...

A common misconception is that the constant speed feature of a prop will make everything ok. It doesn't.

Let me elaborate.

A prop is a rotating wing. No news there. And like any wing, it can...
Forum: RV-4 09-04-2018, 04:03 AM
Replies: 2
Views: 669
Posted By Lufthans
So, what seems to be the problem? These temps...

So, what seems to be the problem? These temps sound excellent to me.

You don't want your oil temps to go beyond 245F, and ideally have them in the 185 - 210F range in cruise flight. Any cooler and...
Forum: Propellers 08-27-2018, 09:26 AM
Replies: 29
Views: 5,270
Posted By Lufthans
We have a 3 bladed Catto on our -4. Removing the...

We have a 3 bladed Catto on our -4. Removing the lower cowling is a bit of a pain, as you want to slide it forward to clear the gear legs, yet run into at least one prop blade then. Best is to have...
Forum: RV-4 08-25-2018, 08:00 AM
Replies: 10
Views: 1,206
Posted By Lufthans
I can see how these drawings can be confusing,...

I can see how these drawings can be confusing, yes.

Just to confirm that the panel is in fact perpendicular to the forward top longerons.... (just came back from the airport)

Hans
Forum: Alternative Engines 08-24-2018, 11:13 AM
Replies: 53
Views: 22,172
Posted By Lufthans
Sorry to hear. And I just noticed your signature...

Sorry to hear.

And I just noticed your signature stating the same - 95% done and sold...

There's always the -6!

Thanks for the info. I'm really looking forward to starting that Soobie Rocket...
Forum: Alternative Engines 08-24-2018, 09:44 AM
Replies: 53
Views: 22,172
Posted By Lufthans
Thanks Ross. I'll contact Geoff shortly....

Thanks Ross.

I'll contact Geoff shortly.

Unfortunately, it will be some time (could easily be 2 years or so) before I will be ready to start this project. First, I will have to finish this one:...
Forum: Alternative Engines 08-24-2018, 06:57 AM
Replies: 53
Views: 22,172
Posted By Lufthans
Yes, very valid points. It seems that many...

Yes, very valid points.

It seems that many people don't understand that besides diameter and pitch, the washout in a prop is of utmost importance. Also with a constant speed prop. ANY prop maker...
Forum: Alternative Engines 08-24-2018, 05:28 AM
Replies: 53
Views: 22,172
Posted By Lufthans
Awesome! Next to our RV4, I am flying (500+...

Awesome!

Next to our RV4, I am flying (500+ hours by now) a normally aspirated EJ25 with MT constant speed prop and under-wing radiators on my Jodel. I too have gone through loads of trials and...
Forum: RV-4 08-24-2018, 04:12 AM
Replies: 10
Views: 1,206
Posted By Lufthans
Hi Finn, Sorry, not a builder. If you want, I...

Hi Finn,

Sorry, not a builder. If you want, I can measure the tilt of my panel. I believe however that it is simply 90 degrees to the forward part of the top longerons (which themselves of course...
Forum: RV-4 08-24-2018, 03:59 AM
Replies: 193
Views: 203,003
Posted By Lufthans
Correct. Cost is $800 or so. Love it!

Correct. Cost is $800 or so. Love it!
Forum: RV-4 08-23-2018, 04:05 AM
Replies: 308
Views: 327,262
Posted By Lufthans
A few pics of ours: PH-SUM, former N554DW....

A few pics of ours:

PH-SUM, former N554DW. Imported early 2018 from North Dakota.

O-320, Catto prop. Love how it...
Forum: RV-4 08-23-2018, 03:56 AM
Replies: 193
Views: 203,003
Posted By Lufthans
A friend and I have bought our -4 together, and...

A friend and I have bought our -4 together, and luckily we both felt the same about our panel. It was full of old vacuum instruments, a VOR and other stuff we felt we'd never use. And so we set about...
Forum: RV-4 08-03-2018, 02:17 AM
Replies: 24
Views: 3,632
Posted By Lufthans
Ouch. Not exactly light reading. Thanks for...

Ouch. Not exactly light reading. Thanks for sharing though!
Forum: RV-8/8A 07-25-2018, 02:45 PM
Replies: 7
Views: 1,541
Posted By Lufthans
Or, if you are an EAA member, you can get the...

Or, if you are an EAA member, you can get the full Solidworks license through EAA. Quite a steep learning curve though.

Dassault also has a free program called eDrawings, which is a CAD viewer. I...
Forum: RV-8/8A 07-25-2018, 05:29 AM
Replies: 15
Views: 3,558
Posted By Lufthans
-8 with low profile canopy

Hi guys,

I came across this one. Couldn't find any more info on it, but WOW. That low profile canopy really transforms the looks of the -8.

Educated guess - other than losing 2 feet of height, what...
Forum: Electronic Ignition Systems 07-24-2018, 12:14 PM
Replies: 173
Views: 31,320
Posted By Lufthans
Thanks guys. In all fairness, he was not a close...

Thanks guys. In all fairness, he was not a close friend. Nevertheless, I received RV flying pics from him from all over the place, all the way up to Mali and some other places deep down in Africa. I...
Forum: Electronic Ignition Systems 07-24-2018, 04:14 AM
Replies: 173
Views: 31,320
Posted By Lufthans
PMAGs internal power quits at low RPM!!!

One thing that I have not read in the past 16 pages and that worries me the most is the fact that the internal generators in the PMAGs quit working below a certain RPM. Depending on the unit that you...
Forum: RV-8/8A 07-24-2018, 03:32 AM
Replies: 11
Views: 1,796
Posted By Lufthans
In that case, please disregard my remarks...

In that case, please disregard my remarks :-)

I'm finishing a car build from scratch and have used welding cable there too. Good stuff and indeed 1000 times better to work with than the Tefzel...
Forum: RV-8/8A 07-23-2018, 04:21 PM
Replies: 11
Views: 1,796
Posted By Lufthans
Really the only reason to use Tefzel is that when...

Really the only reason to use Tefzel is that when smoking hot, it doesn't give off nearly as much toxic fumes as PVC clad wire does, so that you might survive an electric fire.

Other than that,...
Forum: RV-8/8A 07-23-2018, 02:14 AM
Replies: 11
Views: 1,796
Posted By Lufthans
The RV4 typically has the battery behind the...

The RV4 typically has the battery behind the firewall, on the floor in the compartment between the pilots calves. I believe it then is pretty much up to the builder to figure out a way to penetrate...
Forum: RV-8/8A 07-22-2018, 03:16 PM
Replies: 807
Views: 965,470
Posted By Lufthans
WOW A pre-punched Harmon Rocket... That nose...

WOW

A pre-punched Harmon Rocket...

That nose looks LONG. How are you in W&B?

A VERY impressive aircraft!

Edit: search is a friend: http://www.vansairforce.com/community/showthread.php?t=151944
Forum: RV-4 07-22-2018, 04:29 AM
Replies: 2
Views: 683
Posted By Lufthans
Ours is there too (although not quite a neat and...

Ours is there too (although not quite a neat and clean as Arlies setup - wow). I've never needed to loosen my shoulder straps to reach it either...

That position just works. Why modify?
Forum: RV General Discussion/News 07-21-2018, 03:08 PM
Replies: 8
Views: 895
Posted By Lufthans
LOL Or go to an auto parts store and buy one of...

LOL

Or go to an auto parts store and buy one of those small paint touch-up sticks. I use yellow for everything that I have torqued. Very...
Forum: Propellers 07-19-2018, 02:43 AM
Replies: 21
Views: 8,168
Posted By Lufthans
I've got a fair bit of experience with...

I've got a fair bit of experience with electrically adjustable props, and none of it was positive. Far from it. They are awful. They are slow to adjust, bind, tend to wear out brushes and are a...
Forum: Propellers 07-19-2018, 02:26 AM
Replies: 4
Views: 835
Posted By Lufthans
Bobs remarks sound plausible. Hope you can find...

Bobs remarks sound plausible. Hope you can find the specs to compare the settings to though.

Prop blades can bind. Just try working with an electrically adjustable prop. They are awful this way....
Forum: RV-4 07-11-2018, 01:26 AM
Replies: 24
Views: 3,632
Posted By Lufthans
Wheeler or three point?

Ours has an O-320 and Catto prop, so not all that heavy on the nose. We've only gotten her a few months ago, and I fly mostly solo. My girlfriend (125 lbs), her 15-year-old daughter (about the same...
Forum: Rocket 07-09-2018, 02:48 PM
Replies: 25
Vne
Views: 4,107
Posted By Lufthans
Admittedly - car guys. Endurance racing car guys...

Admittedly - car guys. Endurance racing car guys that is, making fun of me for putting the bar at "only" this petty amount of power. Their words. But then, what they spend on these engines might make...
Forum: Rocket 07-08-2018, 03:00 PM
Replies: 25
Vne
Views: 4,107
Posted By Lufthans
Points taken!

Points taken!
Forum: Rocket 07-08-2018, 10:54 AM
Replies: 25
Vne
Views: 4,107
Posted By Lufthans
Got it. Thanks! Not planning anything at this...

Got it. Thanks!

Not planning anything at this time yet. Just trying to figure out what's what, what will work and what won't.

I completely understand your position and will not push the subject...
Forum: Rocket 07-08-2018, 04:17 AM
Replies: 25
Vne
Views: 4,107
Posted By Lufthans
Hi Vince, Thanks for chiming in! Good stuff!...

Hi Vince,

Thanks for chiming in!

Good stuff! I'm wondering - Are the RV4 and the new Mk3 tail interchangeable? In theory, would one be able to build a new Mk3 tail and bolt it to an existing...
Forum: Rocket 07-07-2018, 10:40 AM
Replies: 25
Vne
Views: 4,107
Posted By Lufthans
Thanks Ralph. I've read the reports on the '7...

Thanks Ralph. I've read the reports on the '7 STI. Nice work! And Race 57 isn't bad either ;-)

My current Soobie platform is a 1959 Jodel. These were designed for a Continental C90. I estimate my...
Forum: Rocket 07-07-2018, 10:21 AM
Replies: 25
Vne
Views: 4,107
Posted By Lufthans
I've got no idea. It's just very fast! Nothing...

I've got no idea. It's just very fast! Nothing out of the ordinary on this plane, just dual Pmags and a Catto prop. We've imported this one from North Dakota this winter and only have a dozen hours...
Forum: Rocket 07-06-2018, 03:07 PM
Replies: 25
Vne
Views: 4,107
Posted By Lufthans
Good stuff. Thanks! I've spread my assets a bit...

Good stuff. Thanks!

I've spread my assets a bit thin by investing heavily in developing a sports car that I have designed and hope to market shortly. 2200 lbs of 1950's looking design powered by a...
Forum: Rocket 07-06-2018, 02:57 PM
Replies: 25
Vne
Views: 4,107
Posted By Lufthans
Thanks. And yes, I meant climb. In level flight,...

Thanks. And yes, I meant climb. In level flight, we're busting that 212 mph Vne with power to spare, even on 160 hp only. That Catto prop is working magic!
Forum: Rocket 07-05-2018, 03:27 PM
Replies: 25
Vne
Views: 4,107
Posted By Lufthans
Vne

Hi guys,

Long time lurker and multiple homebuilding offender, I'm gearing up to the next project and could use some info and opinions.

Background: I've got significant experience with several...
Forum: RV-4 06-23-2018, 06:14 AM
Replies: 17
Views: 2,349
Posted By Lufthans
Ours is completely stock and I am 6'4". I simply...

Ours is completely stock and I am 6'4".

I simply remove the cushion behind my back when I am flying. No problems whatsoever, and surprisingly comfortable, considering I'm leaving that seat cushion...
Forum: RV General Discussion/News 12-14-2017, 08:03 PM
Replies: 6
Views: 1,327
Posted By Lufthans
Had I known that.... I'm in North Dakota to do...

Had I known that.... I'm in North Dakota to do just that on another RV-4 (and then ended up buying it). Wyoming is not too far away, really.

Flying back to The Netherlands on Saturday though, so no...
Showing results 1 to 57 of 57

 
Forum Jump

All times are GMT -6. The time now is 09:44 AM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.