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Airworld L39 Albatros kit building notes

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Airworld L39 Albatros kit building notes

Old 06-23-2003, 05:39 PM
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sfaust
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Default Airworld L39 Albatros kit building notes

Well, I've gone and done it. I received my Airworld L39 kit from Motors and Rotors in the UK. It cleared customs and was delivered on Friday. I plan on keeping a running building diary here on the progress while building, with photos, etc. I'll also have more detailed information on my web site where there are no restrictions on photo sizes, etc.

So far, I've unpacked the crate, inventoried the parts (found one missing die cut sheet), and started the thinking process. Since the kit comes with basically no instructions, I have to rely on the cd-rom photos that were provided. While adequate, it would be nice to some text, even if its just a page or two that outlines the steps, order, and any gotchas. Hopefully, that will be provided here once I'm done.

If you have by chance build this kit and are reading this, I'd appreciate it if you dropped me an e-mail so we could exchange some info. I'd be willing to reciprocate with anyone that is building one after mine is done.

Here are some photos I took of the kit. I'll follow on with more photos of the work in progress in the next week or so.
Old 06-23-2003, 05:42 PM
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Default Airworld L39 Albatros kit building notes

I plan on installing a Jetcat P-120 turbine in the airplane, but might opt for the P-160. It all depends on the feedback that I get from other owners out there on their performance with the P-120.

Here is a profile of the airplane
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Old 06-23-2003, 05:44 PM
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Default Airworld L39 Albatros kit building notes

Here are some photos of the optional cockpit kit. Excellent detail, good workmanship, but a bit on the heavy side.
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Old 06-23-2003, 05:45 PM
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Default Airworld L39 Albatros kit building notes

another
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Old 06-23-2003, 05:45 PM
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Default Airworld L39 Albatros kit building notes

check the level of detail on the headrest
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Old 06-23-2003, 05:46 PM
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Default Airworld L39 Albatros kit building notes

with glare shield in place
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Old 06-23-2003, 05:46 PM
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Default Airworld L39 Albatros kit building notes

Here are the die cut sheets of plywood for the formers, gear mounts, etc.
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Old 06-23-2003, 05:47 PM
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Default Airworld L39 Albatros kit building notes

Full view of the cockpit
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Old 06-23-2003, 05:48 PM
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Default Airworld L39 Albatros kit building notes

The full fuselage with nose cone attached. Length is 100"
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Old 06-23-2003, 05:49 PM
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Default Airworld L39 Albatros kit building notes

Panel lines, rivets, hatches, etc, all molded into the fuselage.
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Old 06-23-2003, 05:50 PM
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Default Airworld L39 Albatros kit building notes

working trailing link gear. The rear main gear has 5" wheels, with 3" of travel in the gear itself. If you bounce this airplane on landing, you've done something wrong
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Old 06-23-2003, 05:52 PM
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Default Airworld L39 Albatros kit building notes

I've started to cut out the openings in the fuselage and wings in preparation of installing the formers in the fuselage, and getting it up on its legs. I'll update the photos and text in about a week.

This is the P-120 turbine that will go in it, unless I decide to upgrade to a P-120 for additional thrust.
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Old 06-24-2003, 05:36 AM
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Default Airworld L39 Albatros kit building notes

You may already know that the tail section has to be beefed up and the stabs have to be really stiffened. Also, the clunk in the main tank (the one I saw anyway) was too flexible and can wrap around the brass tubing inside the tank causing possible early flame out....

I think that the nose section MAY need a little beefing up too. Jason and Rob had one each I thinks, they may chime in.

I saw it fly on a P120 and it looked very adequate, but a P160 is what I would put in it...

Good luck with it. It is a very nice looking plane!!
Old 06-24-2003, 09:20 AM
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Default Airworld L39 Albatros kit building notes

Stephen,

Not sure if these help you, but on the motors and rotors web site there are some building guidleines.....

http://www.motorsandrotors.com/artic..._kit_notes.htm

It's a superb model when finished!

Regards,
Mark
Old 06-24-2003, 11:07 AM
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Default Airworld L39 Albatros kit building notes

Ehab, I know the tail section needs to be beefed up, just not sure how to change it structurally while keeping it as light as possible back there. I would appreciate any info people want to pass along. I'll check the clunk situation on the main tank.

Schroedm, I have those notes. They are from the smaller version, but I am sure there is useful information I can glean from them. Every tidbit is useful. Thanks.
Old 06-24-2003, 12:07 PM
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GEOFF WALLACE
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Default Airworld L39 Albatros kit building notes

Hi Stephen
I have built one ,you are right the instructions are hopeless, but don't worry its easy, tips:
don't over strengthen the rear end, it don't need it
you will need all the weight of the cockpit kit
cut the bottom off the fuel tank, you won't believe what you find
flys like a dream come true
fitted mine with amt pegasus(30lb) more than enough
Best regards
Geoff
Old 06-24-2003, 12:23 PM
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Default Airworld L39 Albatros kit building notes

don't over strengthen the rear end, it don't need it

How did you strengthen yours. Install all the supplied peices, then add some strengthening, or did you replace any of the installed parts from the start? Or did you strengthen it at all?

you will need all the weight of the cockpit kit

Good. Cause I sure wouldn't want to fly without it! I think I'd leave out the turbine before the cockpit kit if I needed to lighten it up, then go find a nice slope somewhere with high winds

cut the bottom off the fuel tank, you won't believe what you find

I am looking at alternatives on the tank. Possibly something from BVM, or I will make some from scratch.

fitted mine with amt pegasus(30lb) more than enough

I hear more and more than a P-120 should be more than enough. I have one so I'll probably go ahead with that one.

Thanks for the comments everyone, and keep them coming...
Old 06-24-2003, 12:41 PM
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Default Airworld L39 Albatros kit building notes

at the rear end just use the std parts, thay are ok.
with dremal disc cut off the lower 1/4 of the tank, replace the clunk pipe with appx 3 ins of brass tube and some tarigon tube (I think thats how you spell it!) use the supplyed clunk, blow out any dust, tack with cyno the tank base back on and bandage the join with 1in wide glass tape and resin job done, now you have a great tank!
Geoff
Old 06-24-2003, 05:56 PM
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Default L39

Started building mine a little while ago (for P160). Making it up as I go along. I have `translated' the so called instructions but they still don't make a lot of sense.
I have been taking photos as I go (2Mb each off the camera). Can e mail them if you want. What size?
Franny.
Old 06-24-2003, 05:59 PM
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Default Airworld L39 Albatros kit building notes

I've got cable, so any size is fine. I think my ISP has a 5mb per message limit, so if its larger, you will need to split them up. I can e-mail your mine, since I won't post all of them on here for storage reasons (and I don't want to bore everyone ) (P.S. I won't send you the 12mp 36mb off camera images

Apprecaite it. Thanks,
Old 08-05-2003, 11:56 AM
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Default Airworld L39 Albatros kit building notes

Could anyone with info on building the 1:5.5 L-39, please e-mail me direct with pics, hints , tips etc. I see there is quite a lot on these posts so I do not want to bore those who have been there, but maybe there is a website or more recent updates that are more comprehensive.
Old 08-05-2003, 08:01 PM
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Default Airworld L39 Albatros kit building notes

Nice Jet Steve, it will be nice to see the progress as you go forward with this.
Old 08-05-2003, 08:08 PM
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Default Airworld L39 Albatros kit building notes

Thanks Rog... can't wait to get it in the air. I was waiting on some parts from Airworld, but come to find out I in fact did have them. Much thanks to Airworld and Motors and Rotors for all their assistance.

I should be getting back to work on it shortly. The next two weeks are booked solid as far as business and family life are concerned, so there won't be an update till late August But I will try to add an update here with the additional photos I have prior to that.
Old 01-27-2004, 06:22 PM
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Default RE: Airworld L39 Albatros kit building notes

Lots more progress on the L39. Sorry for the long time between updates. Lots of things to side track me for a while. I had a good friend do some preliminary work to help me catch up as spring isn't that far away anymore. He installed the internal formers, got the airplane up on its legs, and set the wing/tail control surfaces up for me. He did a great job, Thanks Tom. I got it back from him two weeks ago, and started in on it. Here are some photos and updates of his work, as well as my progress.
Old 01-27-2004, 06:24 PM
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Default RE: Airworld L39 Albatros kit building notes

photo set 1
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