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Author Topic: EKW C-3603 - My next build  (Read 2845 times)
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steveneill
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« on: May 17, 2019, 09:47:24 AM »

https://volareproducts.com/index.php?main_page=product_info&cPath=2_18&products_id=1131

I have one of these inbound tomorrow from George. As many times as I have cruised his site buying many parts, accessories, and kits I missed this one. In all my search efforts I haven't found any building threads or built models for reference not unless I missed something.

The description is short on the site:

A 25" span WWII-eligible Swiss fighter from the Bill Henn plan.

It's a short kit and I'll have to make the canopy myself. That's not a problem for me as I have done it many times being a professional modeler and have a studio and shop with many vacuum forms and a couple of wood lathes for making the spinner.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/Swiss_Air_Force_C-3603-1.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/67691_1241455474.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/Swiss_Air_Force_C-3603-1_rear_view.jpg

It's a nice looking plane and a rarely modeled WW2 airplane.

If anyone has built one please chime in or point me to docummetation on a build if you know of one.

This could be flown outdoors but where I live it's rarely clam enough except at 6 in the morning. It should make a good indoor model with good trim.

Here is a video of the actual plane:

https://youtu.be/r0veWIf5_wQ





EKW C-3603 - My next build
EKW C-3603 - My next build
EKW C-3603 - My next build
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steveneill
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« Reply #1 on: May 17, 2019, 10:18:45 AM »

BTW I'll be making the canopies, wheel pods, and the spinners for this kit. Since George hates vacuum forming I'll just send him some to add to his kits. Wink
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steveneill
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« Reply #2 on: May 19, 2019, 12:57:27 PM »

I must have cruised George Bredehoft’s wonderful Volare Products website a 100 times before but in all that time I never discovered this particular kit. In fact like the Breda 88 I had never heard of it before. The EKW-C-3606 in all my WW2 aircraft knowledge escaped me.

I researched the plane and found various things about it’s history but what really sold me on wanting to build the plane was the video I posted.

Everyone builds Pony’s and Spits. I do myself, we love them but the more unusual and less modeled aircraft the more it really appeals to me. This fit the bill nicely. I love the looks and the twin rudders.

I have bought quite a few of George’s kits and they are all delightful. Laser cut and very finely made. The plans are beautiful and any seasoned builder will have little difficulty making a fine model from any of his kits. You can find his website listed on our vendors page.

It is a short kit which means you supply the covering, make your own canopy, spinner and supply the 1/16th square stock. The coast of the short kit is 15 dollars which is quite a deal for a 25 inch span WW2 warbird like this.

I’m going to build this for indoor use mostly but it will make a great outdoor model too. Just no DT this time.

I want to mention that George is great at customer care going above board to answer any and all of your questions at such length and detail I have taken to printing them out and putting in my hard copy binder of “Things to Know ” about building and flying free flight model airplanes.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0217.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0216.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0220.jpg

To see more visit my website where I will also have the build thread that will have more pictures and videos as I progress. 

https://theventuramodelaviators.home.blog/volare-products-ekw-c-3606/

I'm looking so forward to this build as always.
EKW C-3603 - My next build
EKW C-3603 - My next build
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lincoln
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« Reply #3 on: May 19, 2019, 06:52:34 PM »

I like the obscure ones as well. For one thing, most didn't kill as many people. (If one abstains from military mass launches, one skips quite a few.) My favorite is probably the VG-33, which I think was mostly defensive.  Years ago, I even talked (or at least I think it was me) GHQ into approving the VG-33 for WW2 mass launch. (See FAC News, Jan '07 aka issue 233). There's a Koutny plan for a VG-39, but I haven't seen one specifically for the VG-33, except for a cartoony RC one from RCM. Fortunately, I seem to recall they are pretty close.
https://freeflightarchive.com/images/world_war_2_plans_pics/arsenalvg_39.pdf?type=file

Usually, though, when I find an interesting one, it was only a prototype and never flew in combat. Sigh. This is especially true for WW! subjects. For instance, the LLoyd 40.16 or the Aviatik Berg D.ii   (ok, it was "evaluated at the front". Can we argue that means combat? I hate wires.

Will be interesting to follow your progress.
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steveneill
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« Reply #4 on: May 21, 2019, 12:53:31 AM »

Lincoln thanks. About as much as I got done today was the plans pinned to the building board and all the parts laid out.

That's another plane from this era I knew nothing about. Thanks for sharing.

I'm also planning a TA-183 FF build. I scratch built and EDF version for RC back in 2006 that flew quite well.
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steveneill
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« Reply #5 on: May 25, 2019, 12:49:06 AM »

I managed a whole 2 hours in today. This is a very smooth build as George Bredehoft's  Volare Products laser cut kit is excellent, well thought out and precisely cut.

I got the fuselage started and I can't wait to close it off tomorrow and add the outside formers for the contouring and the longerhorns.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG_0272.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG_0271.jpg
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steveneill
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« Reply #6 on: May 26, 2019, 12:20:17 PM »

Day two on the build was about two more hours. At my studio the second story is set up for building and storing kits and materials for just my RC and FF model builds. I can sneak up there and take a break from building the big movie models down stairs. It’s cozy, carpeted and has excellent lighting and came with a wall of angled tables when I moved into the place 6 years ago now, hard to believe.

But in those two hours it's quiet (except for music, yesterday it was Philip Glass) and peaceful so in that short time I manage to get a lot done. The place gives me real focus.

The fuse I thought was nice and square until I removed it from the board and found a twist in the nose. No problem I just got out my tiny scissors and did some snipping and readjusted things to my eye and got it square and true. I have found using the Exacto to do this can have disastrous results. Never cut towards yourself, yah right we do it anyway and zip Bing you’re bleeding. Worse the glue at the joint resists the blade going though it and you manage to trash the other longerhorns in the process. So I have found that the super sharp tiny little scissors do the best job. Or fine wire cutters because in most cases there will be one stringer that’s either too long or two short that’s causing the twist or distortion in you otherwise nice and square build.

I got as far as adding the side and top formers that give the plane its rounded shape. I used wood glue and while still wet added the longer horns long enough to line up all the slots. I learned long ago to do this when in one of my earlier builds that the longerhorns looked like the Mississippi river if you don't.

It's an exciting build (I guess they all are, are they not?) I can't wait to get the rest of the formers on, top, bottom and sides. Then add the longerhorns to start getting a look at the lovely rounds in this fuselage.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0294.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0292.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0291.jpg

EKW C-3603 - My next build
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« Reply #7 on: May 27, 2019, 01:31:21 AM »

Steveneill, great plane you are building.
I like the C-36 series and built the Turbo prop version of it (C-3605).
You are aware of the other C36 thread on HPA? https://www.hippocketaeronautics.com/hpa_forum/index.php?topic=21289.0

I didn't know that there is a short kit for the C3603 version. The C3605 version flies nicely, but the nose is very long... I planed to build the shorter nose version you are doing now. I am sure this will be a great flyer!

I am looking forward to see your build.

Roman
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steveneill
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« Reply #8 on: May 27, 2019, 01:36:52 AM »

Thanks Roman I wasn't aware of the build I'll go check it out.
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steveneill
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« Reply #9 on: May 27, 2019, 01:44:20 AM »

Starting to add the stringers. It's really taking on a nice shape.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0296.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0297.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0299.jpg
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steveneill
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« Reply #10 on: May 28, 2019, 10:06:22 AM »

More progress. Fuse is all framed up with the nose block and plug in place. Time to go to m LHS and pick up some more longerhorns and a solid balsa block to make the canopy form for vacuum forming. Another for the wood lathe so I can make the spinner. Meanwhile frame up the tails.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0314.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0309.jpg
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steveneill
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« Reply #11 on: May 29, 2019, 12:33:00 AM »

Day four of the build as I move on to the wing. Very straightforward and all parts fit well.  I should finish the wing tomorrow.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0323.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0322.jpg
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steveneill
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« Reply #12 on: May 30, 2019, 12:28:09 AM »

The wing is all framed up and fits quite well into the slot in the fuse. I have yet to put the cross stringers in place in the wing saddles but now that I see the wing actually slides in I'm good to place them in.

Tails are next.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0343.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0342.jpg

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Don McLellan
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« Reply #13 on: May 30, 2019, 01:46:05 AM »

Good grief Steve, you do build quickly!  Beautiful work and looking forward to more progress pics.
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« Reply #14 on: May 30, 2019, 03:30:58 AM »

Agree with Don - I would be still thinking about it Smiley Lovely shots Steve - it looks like a born flyer.

John
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steveneill
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« Reply #15 on: May 30, 2019, 09:44:47 AM »

Thanks guys. I have built for a living for over 40 years now. All kinds of stuff for movies, some you saw and didn't know I did. And at age 67 I'm still at it but don't know for how much longer. Building big movie models is getting to be harder thing to do.

If I don't spend an hour at the end of the day upstairs at the building benches I think I'd lose my nut. This is my basket weaving.

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steveneill
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« Reply #16 on: May 31, 2019, 12:34:40 AM »

Almost got the tails built before it was time to go home. Tomorrow I'l start the canopy form fro vacuum forming.

The horizontal stab is lift with ribs. The spar is notched. It took little time to frame up.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0353.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0350.jpg
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steveneill
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« Reply #17 on: June 01, 2019, 12:58:57 AM »

I only got a half hour today darn it. But I lathed the spinner and started the balsa form for the three part canopy. This block will be cut into three sections, sanded to shape and then glued back together. After that I'll make a mold and pour up and Ultracal 30 tool stone plug and sand that to a smooth surface. This will give me a better quality and more optically clear canopy than using balsa alone.

More tomorrow. I plan two hours tomorrow. Wink

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0384.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0381.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0380.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0378%201.jpg
EKW C-3603 - My next build
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« Reply #18 on: June 03, 2019, 04:15:55 AM »

Looks great - it's a hard life Smiley

John
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rgroener
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« Reply #19 on: June 03, 2019, 06:18:12 AM »

Nice bones, the typical C36 shape is distinctive.
Have you already an idea about the colours?

I am looking forward to see how you mold the canopy. Its one of the parts I am struggling regularly.

Keep the news coming...

Roman
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steveneill
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« Reply #20 on: June 03, 2019, 10:39:37 AM »

Thanks Roman. Green. Sky blue.

Here's how I do canopies part 1.

This is a process some of you may not be aware of. It starts with the balsa plug but I don’t use it for making the actual canopy. I don’t like the rough look and sometimes wood grain that shows up in many canopies.
To fix this I make a mold using either RTV silicone (which is costly for a one off) or just use dental alginate (used for casting teeth for dental impressions). It’s cheap. Mix’s up like plaster. Sets up quickly and is very flexible like silicone. It is an organic material so it can only be used once to get a product and then you throw it away.

Because it’s flexible it will distort. So you need to make a mother mold around it which is easily done using either plaster bandage gauze or just plain plaster. When it sets up you can remove the balsa form from the mold easily and pour up either plaster or better yet and tool stone such as Ultracal 30 which is a very hard gypsum product which mixes in water same as plaster or any gypsum product such as plaster or tool stones. These stones are harder and more durable than plaster.

When that hardens you can sand this to a glassy perfect surface and you vacuum form you canopy with that. I wet sand it and buff it until it shines.
 
This all comes from my many years as a creature and model maker for the movies. But it all applies well to this hobby.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0391.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0392.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0424.jpg

The impression material or alginate

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0421.jpg

Plug read to cast.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0425.jpg

This is the plaster bandage over the impression material to support it.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0428.jpg

Ultracal 30 I by big bags of this to use for making molds for cast masks and foam rubber prosthetics but it has man other uses.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0430.jpg

After the plaster bandage sets up I removed the mold from the casting surface. You can see the balsa form inside. All you do is get a finger nail into the balsa and pull.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0431.jpg

Came out easy now I'm ready to mix the stone up and pour it into the mold.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0432.jpg

Ultracal 30 in the molds sitting level. It takes about 30 minutes to set up.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0434.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0435.jpg

30 minutes later I pulled the plug out. I'll put this in a convection oven at 175 and bake it for about 4 hours to get all the moisture out before sanding.

More tomorrow.
EKW C-3603 - My next build
EKW C-3603 - My next build
EKW C-3603 - My next build
EKW C-3603 - My next build
EKW C-3603 - My next build
EKW C-3603 - My next build
EKW C-3603 - My next build
EKW C-3603 - My next build
EKW C-3603 - My next build
EKW C-3603 - My next build
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« Reply #21 on: June 03, 2019, 11:25:22 AM »

Vacuforming; I've found that leaving the First pull on the plug,
 then doing a second pull on top of it equals a very finely polished plug result..  sans the polishing chore.
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« Reply #22 on: June 03, 2019, 11:41:36 AM »

Appreciate you sharing this method Steve - particularly useful to have a cast plug like that for for parts you'll have to make multiples of.  Your 3603 is coming along very nicely - I (along with all the other contestants there) got this short kit at last year's FAC Outdoor Champs in Muncie.  It'll be the one-design subject at the Outdoor Champs this fall - unfortunately I won't make that meet as I'm spending my kitchen pass to go to WESTFAC.  If you get the chance you should go to Muncie for Outdoor Champs/Ted Dock meets this September - it is a great event with great people, and the AMA field in Muncie is a superb flying environment. 

Mike

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steveneill
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« Reply #23 on: June 04, 2019, 01:20:50 AM »

Fred and Mike thank you very much for your comments. I would sure love to do that but it's one hell of a drive in the motor home out there from California. I'm planning on being at WESTFAC with any luck and a strong breeze.

I pulled a 060 canopy today to use as a cutting guide for the 020 I plan to pull next. With the thick canopy it retains it's shape very well so when you trim it to fit the fuse you can be sure it's cut right and fits correctly. I did a lot of trimming and grinding with the dremel. In the end it fit perfect to my amazement and will now use this thick and heavy canopy to cut the flexible and thin actual canopy.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0436.jpg

Getting ready to drop the PETG.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0437.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0440.jpg

Just pulled and cooling.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0451.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0450.jpg

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0448.jpg

Fits great.

https://i94.photobucket.com/albums/l114/U-812/EKW%20C%20-%203606/IMG-0456.jpg

Spinner is next and for that I'm pulling out the big guns! LOL How many of you still have one of these? For small parts they work great.  This is an original 60's model like me. Wink

EKW C-3603 - My next build
EKW C-3603 - My next build
EKW C-3603 - My next build
EKW C-3603 - My next build
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rgroener
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« Reply #24 on: June 04, 2019, 04:35:10 AM »

Wow, thanks for this detailed explanation. It looks so easy... Somehow I know, that it only looks so.  Roll Eyes
Anyway I should give it one more try and just do it.

It's coming allong nicely. nearly ready for covering Smiley
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