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Build Thread- WACO SRE From Manzano

Old 12-07-2008, 02:53 PM
  #1  
Sky Sharkster
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Default Build Thread- WACO SRE From Manzano

Hello All,
This will be a kit review and build thread for the WACO SRE full kit from Manzano Laser Works. The kit design is by Peter Rake.
http://www.manzanolaser.com/id18.html
The model is a cabin biplane, balsa + ply construction, designed for a geared "Speed 400" size powerplant or brushless equilivent.
Wingspan 38"
Length 31"
Weight 20 ounces
Wing Area 310 Square Inches
Price $64.95 plus S + H. (Full kit, including Vac-Formed Cowl + wheel pants, plans, all wood, etc.) Short kits also available.
Here is a build thread by Tim Hooper;
http://www.rcgroups.com/forums/showthread.php?t=283169
And the prototype build from Charlie Bice;
http://www.rcgroups.com/forums/showthread.php?t=243823
So, why do another? Well, I certainly don't expect to provide any new insights not already covered by those two fine builders.
But it will be another viewpoint, all builders do things slightly differently. I will be adding ailerons and intend to use a scale-like covering, Litespan. For those not familiar with this product, it is a tissue-like poly covering that has a weave built in. It is not self-adhesive, it is applied with a heat-activated adhesive like BalsaLoc or Stix-it. It can then be heat-shrunk like other iron-ons. It can also be painted with model paints, dope or other paints.
Hopefully this will provide a scale-like finish, comparable to the doped fabric on the original aircraft.
My thanks to Vicki and Charlie for the quick, efficient mail and e-mail service. My kit arrived via USPS in fine shape and all parts accounted for.
Hope you enjoy the thread!
Ron
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Old 12-07-2008, 03:00 PM
  #2  
firemanbill
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Nice looking bird there Ron. Gotta love a Waco!
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Old 12-07-2008, 03:13 PM
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Default Two Wings and a Round Engine= Happiness!

Hi Bill,
Funny you should say that, here I thought you were a flat-foamie, EDF kind of guy!
LOL!
Ron
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Old 12-07-2008, 03:59 PM
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Default Fuselage Parts

Next I removed the ply and balsa fuselage parts fron their sheets. The laser-cutting is very good, I only had to "nudge" a couple pieces with a blade. Like most laser kits, there is a very short section or two on each piece that's deliberately not cut, so the piece will stay in place.
You may also notice the wheel pant balsa parts drawing on the upper right of the plans. This is for the kit versions that don't include vacuum-formed "spats".
Ron
P.S. Bill, I was only kidding!
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Old 12-07-2008, 04:10 PM
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I'll watch thru this Ron. I love watching your craft.
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Old 12-07-2008, 04:25 PM
  #6  
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Default This Should be FUN!

Hi Kev,
Glad to have you along, thanks for the interest. I'm looking forward to this, haven't built a bipe in years.
Plus, the WACOs + Stearmans are beautiful planes, that big engine and fabric covering, real '40's nostalgia.
Ron
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Old 12-07-2008, 04:39 PM
  #7  
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Yeah, I am a HUGE PT-17 fan.......
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Old 12-07-2008, 07:03 PM
  #8  
firemanbill
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Originally Posted by Sky Sharkster View Post
Hi Bill,
Funny you should say that, here I thought you were a flat-foamie, EDF kind of guy!
LOL!
Ron
FLAT FOAMIE!!!! Wash your mouth out!

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Old 12-08-2008, 02:03 PM
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Default Starting The Build

After a complete reading of the instruction booklet and Charlie's build thread, I began the construction with the fuselage. This is unusual in that the tail section (mainly 1/8" square balsa) is built alone, then the forward section (alone also) then the two sections are joined. Never tried this, but hey, life's full of new experiences!
At the rear, I found an area that could have been explained more clearly, or perhaps I'm just being picky; If you look at the first photo closely, you'll see there's 1/8" square upper + lower longerons (stringers) and vertical pieces. There's also a 1/16" sheet piece directly under the stabilizer, a reinforcement that will have the pushrod guide hole in it. Since the wood stock is unequal in thickness, obviously the 1/16" sheet should be pushed to the "bottom" to be flush with the outside of the fuselage. Right?
This is what I've done. But, this is the RIGHT side of the fuselage.
If I build a 2nd side the same way (which will then become the LEFT side of the fuselage) and inset the 1/16" piece the same way, it won't be flush with the outside. In other words, there's a left + right side of the fuselage. It will be inset the wrong way.
So, easy enough to shim the piece "up" 1/16" to become flush with the left outside section.
And most experienced modelers, having built left + right fuse sides before, would spot this. But on the off chance a less-experienced builder might overlook it, a "call-out" on either the plans or instructions might help.
Now, this kit isn't for a first-time builder, it's an "Intermediate" build so perhaps I'm just too concerned over nothing.
Moving along, the second photo is the complete right side rear fuselage. Since there was plenty of 1/8" square stock, I tried to match the hardness (resistance to flex or bending) of the sides. The two most closely matched became the left + right side lowers. The next two "matches" became the left + right side uppers. The rest of the stock will be verticals and tail surface stock. For what it's worth, I do the same with wing spars, match' em by hardness, not weight.
Next is a photo of the LiteSpan/CoverLite material I intend to use. It's "Cream" and black, a good 1940's scheme.
I found a copy of the original Waco logo online, hope I can have this made into a graphic. Without a copyright infringement lawsuit, of course!
Last, a beautiful Waco restoration, check out the colors and scheme!
Ron
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Old 12-08-2008, 10:32 PM
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Default Rear Fuselage Assembly

Next I've built the left side of the fuselage rear. As mentioned, I shimmed the pushrod exit piece 1/16" to match the 1/8" square structure.
Once the side was dry, I sanded both parts (outsides) of the structure, to remove glue drops and any high spots. I used a long sanding block for this, with #200 paper.
Now, the vertical alignment. Over the top view of the fuse, I lightly braced the tail pieces upright. Next, I rigged up a jig to hold the pieces at 90 degrees. The scraps holding the triangles are the window inserts from the kit. Other braces hold the bottom 1/8" longerons straight.
Now I have both hands free to glue in the 1/8" ply tailwheel mount. A long CA applicator tip is about the only way into this space.
The photos should make this more clear.
Ron
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Old 12-09-2008, 02:31 AM
  #11  
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Default Final Rear Fuselage Assembly

Here's the last phase of the rear fuselage. I moved my "Jig" forward and started cutting the horizontal 1/8" square braces. Once I got a bottom piece cut to size, I cut a duplicate for the top.
After the rearmost 2 stations were cut and glued, I moved the triangles again and finished up.
Almost ready to begin the front!
Ron
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Old 12-09-2008, 03:31 AM
  #12  
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Hey Ron, great write up so far on the build. I've already got a question, lol... those black stops? are those grabbers off of e-zlinks?

Oh, also, is ok to use CA on all parts of a balsa build, or are there parts you're better off with a wood glue?
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Old 12-09-2008, 04:09 AM
  #13  
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could you please explain why this kit is not for a first time builder,thanks
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Old 12-09-2008, 06:53 AM
  #14  
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Ron, I an going to sign on to watch your build. Looking good so far. I am a dyed in the wool round engine, biplane person.
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Old 12-09-2008, 12:42 PM
  #15  
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Default Pins + Glue, Experience

Hello Pburt,
Those black caps on the pins are called "Pin Clamps". Very handy, you don't have to stick the pin though the wood, the clamp holds it firmly;
http://www.tailspinaviation.com/html...es__books.html
Scroll 1/3 down the page.
I use wood glue (Titebond) for large joints, laminating, sheeting, doublers, anywhere the parts need a bit of time to align or have a large surface area. It gives you more time to set things up, also you can spread it evenly. It has a slow drying time, which can be an advantage.
CA is great for small, fast joints. It is also easier to wick into tight areas.
Epoxy is mainly for high-stress areas like motor mounts and landing gear.

Hi Rolling Thunder,
One reason this kit wouldn't be a suitable for a first-time builder is that assembling a "stick" fuselage (or, in this case, a partial stick) requires cutting, sanding and alignment skills that take some time to acquire. At least in my case, the first few times I tried it (many years ago) the results were poor. Ill-fitting joints, misalignment and an unflyable model.
Most "Starter" kits have photo-illustrated instructions to help with difficult areas. This kit has text-only instructions.
Generally, starter kits have interlocking or self-aligning components, some sort of jig or slotted, keyed assembly techniques. None here, so far.
Perhaps an overlooked factor is tools. It takes some time and a few model builds to build up and learn the use of model tools (although basic carpentry skills will help) like the various adhesives, miter box, zona saw, clamping, cutting and sanding, alignment and measuring, finishing and covering.
I've always believed that building properly isn't one big skill, but a lot of little ones. Learning them all to a high degree takes time, patience and experience.
I don't mean to sound elitist, but a kit from Mountain Models, ACE, Stevens Aero would be a better place to start and provide a greater chance of success.
But, there's always exceptions!

Hi Jim, Welcome aboard! I'm looking forward to this model, should be a real beauty in the air. Still got a long way to go.
Ron
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Old 12-09-2008, 01:09 PM
  #16  
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Subscribed
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Old 12-11-2008, 12:55 PM
  #17  
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Default Fuselage Front, Color Scheme

A slight change from the plans. I'm going to use Tim Hooper's method for landing gear construction;
http://www.rcgroups.com/forums/showt...=283169&page=3
Instead of the kit set-up. Just a personal choice.
A stop at my LHS for 2" wheels, a steerable tailwheel assembly, 3/4" tailwheel, landing gear brackets, and more LiteSpan. After seeing the 2nd photo below, I've changed my mind about the colors!
Here's where I found the photo;
http://www.nationalwacoclub.com/memberalbum/index4.html (Scroll 10 rows down, far right)
Two main cabin pieces glued together, I used Titebond for this.
Ron
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Old 12-11-2008, 02:10 PM
  #18  
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Ron,

FWIW, I think your new color choice is much better!
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Old 12-12-2008, 01:50 AM
  #19  
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Default Me, Too!

Hi Kev,
Yes, that red + black version is outstanding. Once I saw that photo my mind was made up.
We're supposed to get more bad weather this weekend, so I may get some building done. I'm really looking forward to this plane.
Ron
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Old 12-12-2008, 02:48 AM
  #20  
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Default Starting The Cabin

Now that the front sides are dry, I can begin construction of the "box" or main cabin area. There are only two main bulkheads, F2 and F4.
I noticed that F2 slanted slightly forward (as viewed from the side), a bit off true vertical. I guess this is to sweep the landing gear forward.
Even though I'm not using the stock landing gear set-up I decided it would be best to retain the bulkhead angle.
I marked it on the right (plan) side and transfered the top + bottom locations to the left-hand side. See photos.
Then I used 3 drafting triangles to set the F2 straight vertically (as viewed from the top or bottom). Here I used Titebond so I had time to align things and pin the triangles in place.
Hope the photos make this clear, it's hard to explain!
Ron
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Old 12-12-2008, 01:06 PM
  #21  
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Default Second Bulkhead In Place

Here's F4 glued in place;
Ron
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Old 12-13-2008, 12:21 PM
  #22  
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Default 2nd Side

Here's the second side of the cabin in place;
Ron
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Old 12-13-2008, 04:31 PM
  #23  
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Default Joining The Fuselage Halves

I managed to get the front + rear fuse halves together. It took a bit of minor sanding, fitting and aligning, but overall went pretty easily. The gaps where the angled rear stringers meet the sheet front will be filled with wedge-shaped strip stock;
Ron
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Old 12-14-2008, 12:39 AM
  #24  
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Default Motor Mount, Fuselage Front

Next up is the motor mount plate. This provides a template for the tapered nose, so the fuse sides must be "cracked" to angle inwards.
Then lite-ply side braces are added. The photos are step-by-step;
Ron
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Old 12-14-2008, 11:06 AM
  #25  
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Default More Nose Details

Here's a few small additions I managed to do between Saturday chores;
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