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Post  Tee Bee on Tue Jan 21, 2020 11:48 am

This thread will feature my Willy Nillies Cub 250 project.  I recently built a couple of other Willy Nillies kits(GLH 250 and Hummer 250) and really enjoyed them but they were electric powered so I didn't share them here.  For those who aren't familiar with them, Willy Nillies is owned by Doug and Becky Hart.  They recently started a laser-cut kit company as a side business and are doing quite a job of it!  The premise of the company is to offer small and lightweight model kits that can be completed quickly and easily without elaborate methods.  New designs are being added to the mix at a rapid pace.  Some of them are based on the old Ace Simple Series 1/2A offerings but reduced in size with all-balsa construction instead of foam wings.  Others are just reduced sized versions of popular old classics such as the Eaglet and Skylark.  They are framed up like a 3D jigsaw puzzle in your hand instead of pinning everything to a board.  In addition to the wood kits, they offer complete finishing packages that include most of the stuff needed to complete the models with electric power.  The company has a presence on the RCGroups site, including the 1/2A forums but most of the ones featured there are electric powered.  They also have an active Facebook group where they are active with their customers and showcase their projects.   BTW, all of their kits are designed to weigh under 250g when completed.

With all that said, I'm building their Cub 250 kit, a 30" span J3 Cub.  It will be powered by a Pee Wee .020 mounted to one of the new tankless backplates that are available at Cox Int.  To keep this plane simple and light, I have chosen to make it only 2-channel RC with rudder and elevator control.  This eliminates the aileron servos in the wings but will require some dihedral be added, probably about 7-8 degrees.  I made a new ply firewall and moved it back about 3/8" from stock to get the Pee Wee's prop a little closer to the cowl cheeks while still allowing easy use of the starter spring.  Currently, I'm planning to install a Brodak 1/2oz fuel tank behind the firewall and above the receiver battery.  This compartment will be fuel-proofed with epoxy finishing resin and accessible by a removeable hatch on the bottom.  I tend to work a lot of overtime so progress may be sketchy but I will share pics and info here as I move along.  This is not a true build thread, so I will skip all the little details and just feature some highlights, updates, and changes I make to the kit to suit my needs.

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Last edited by Tee Bee on Tue Jan 21, 2020 11:59 am; edited 1 time in total
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Post  Tee Bee on Tue Jan 21, 2020 11:51 am

More picsWilly Nillies Cub 250 Image84
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Willy Nillies Cub 250 Image82
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Post  Tee Bee on Tue Jan 21, 2020 11:52 am

Most of the constructuon was done on this TV tray, sitting on the couch while watching Netflix in the evenings with my wife! I did loosely pin down the wing panels on the foam board while framing to help keep things straight.

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Post  ian1954 on Tue Jan 21, 2020 12:33 pm

The magic under 250g! A very nice looking build - please keep this post going.
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Post  Dave P. on Tue Jan 21, 2020 2:16 pm

Good to see this Tee Bee.  I've had my eye on their Littlest Stik kit for a while now.  My only reservation is that I have hoarded so many kits and so much balsa for future scratch building that I feel really guilty thinking about buying another kit.  The thought of cutting all those little lightening holes by hand does give me the heebiejeebies though.  Each one doesn't save very much weight, but in total, I'll bet it cuts the weight substantially.  

How is the wood quality?  Looks good in the pictures.  

Popcorn
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Post  Tee Bee on Tue Jan 21, 2020 2:39 pm

They are nice kits. The wood is strong and light. All those holes are cut by lazer, not by hand. I have the Littlest Stik but haven't built it yet. I built a LaStick from plans back in 2007 that is still flying well with a TD .020. It's getting old and tired but still going! One big difference is that my LaStik has a flat bottom wing and glides very nicely. The WN kit has a symmetrical airfoil. Should do fine under power but will sink in quickly when the fuel runs out.
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Post  getback on Wed Jan 22, 2020 10:17 am

Nice looking Model TeeBee , i see it coming together quickly ! It does have alot of lighting holes in it Very Happy This Site Rocks!
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Post  akjgardner on Wed Jan 22, 2020 10:51 am

Looking good
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Post  Tee Bee on Sun Jan 26, 2020 11:29 am

Progress continues, slowly. The wings have been joined and spar webs added for most of the span. The stock kit provides servo openings in the center section. I used that setup on my 2 previous electric Willy Nillies models, but didn't like that the covering has to be removed to access the servos. Since this one will be 2-channel R/E, I sanded angles on the center section to achieve about 7deg dihedral when joined. Since I'm not using ailerons, they were glued fixed to the trailing edge to sit smoothly on the fuselage wing saddle. The kit included some pre-cut leading and trailing edge joiner ply in several dihedral options. Nice touch! The ones with the most dihedral angle fit my wings nicely. The panels and dihedral braces were joined with epoxy. Some 1/16" scrap pieces filled the leading edge section nicely after the brace was installed. I'm using small CA hinges on the tail surfaces and the slots have been cut. I also added some small fairing pieces bere and there at the stringer ends to allow the covering to sit smoother later on. Just basic model building and great fun! I modded the servo tray a bit to fit the Dymond 47 servos I plan to use. The kit even included some pre-cut ply mounting rails! I still need to sort out the control installation and fuel/battery compartment setup.



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Post  Tee Bee on Sun Jan 26, 2020 11:32 am

Willy Nillies Cub 250 Image92
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Post  MauricioB on Sun Jan 26, 2020 1:01 pm

Hello Troy, you are doing a beautiful job there!
The kit seems to be very well done.
I will be attentive to your advances friend! ... tell me, do you have already thought about the decoration ?, that is, the colors that you will use to finish it?
Thank you!!
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Post  Tee Bee on Sun Jan 26, 2020 5:18 pm

Thanks Mauricio! It will be covered in traditional Cub Yellow.
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Post  rsv1cox on Sun Jan 26, 2020 6:00 pm

I love watching these come together. Great job TB.

Took a hop in the real thing over Cape Coral Florida with my Dad. Mom on the ground worried the whole time.

Bob
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Post  Tee Bee on Sun Jan 26, 2020 9:59 pm

Back in the 80s, my first flight instructor gave me a quick ride in his friend's J3. I remembered every second of that plane ride and vowed to get some more Cub time under my belt. Later on in the 90s, I got my Tailwheel Endorsement in 1946 model with an engine upgrade from 65 to 90hp. Over the next couple of years I had a blast giving rides in it to my family members, friends, and coworkers. Lots of touch-n-goes on local grass runways. With the power set to cruise in a mild headwind, I would point out how the cars on the highway below were faster. The tired plane eventually failed it's annual inspection and was sold since the old-timer who owned it didn't have the time or resources to do a restoration. Those flights were some of my favorites!

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Post  Jason_WI on Mon Jan 27, 2020 12:49 am

Nice build. That PeeWee .020 was meant for that plane. Fits in there nicely. Thumbs Up

I think the sub 250g planes will be popular if the FAA gets their new RID wish implemented.
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Post  Tee Bee on Mon Jan 27, 2020 3:27 am

Unfortunately, with the new sub-250g Mavik Mini drone coming out, the feds are already thinking of making ALL RC models fall under the remote ID rules. There is mention in the NPRM of making that change.
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Post  getback on Mon Jan 27, 2020 8:18 am

Cool Build TB , i didn't know you flew back in the day J3 would have been a blast to go up in !! I got up to solo when i was a teen (my Dad had got me 500- of fling sessions) for christmas , Flew mostly Cessna 3 wheels it was cool but got air sick a FEW times . LOL This Site Rocks!
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Post  Tee Bee on Mon Jan 27, 2020 8:59 am

Yeah, I'm a lifelong aviation nut. Hung around the local airports bumming rides and washing planes in high school just to be involved. Soloed at 18, Private Pilot at 19, Instrument Rating at 21. Got close to a Commercial license but never finished it. Flew mostly Cessnas(150,152,172,182), the Cub, and a Citabria(basic aerobatics!). My passion was antique and homebuilts. Got a little time in Skybolt, Firebolt, and Pitts S2B bipes and a Van's RV-4. Started building a Van's RV-7 taildragger but ran out of money for such endeavors long ago. Haven't flown full scale actively since the late 90s. Still have the RV-7 wings taking up space. Wish I could find a buyer to make room for my RC models. All of my aviation activities these days are with models. It took some years, but I've learned to accept it and just enjoy things the way they are.
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Post  getback on Mon Jan 27, 2020 9:15 am

WOW Thats some history of fling the big boys , Thanks for sharing This Site Rocks!
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Post  Tee Bee on Mon Jan 27, 2020 10:23 am

Most of my favorite experiences have involved airplanes or motorcycles. Smile

Since we're discussing the Willy Nillies kits, I thought I'd share the other 2 that I have recently completed and flown. The GLH 250 and Hummer 250. They are electric powered but would adapt to Cox .020 power with a few changes. Lightweight, laser cut, easy builds. Good flyers!Willy Nillies Cub 250 Image96
Willy Nillies Cub 250 Image95
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Post  fredvon4 on Mon Jan 27, 2020 10:41 am

1974 ft lewis WA flying club...below a E-5 sergeant (I was E-3 PFC) ...the classes and flight time were free...152s and 172s ....later solo and just burning fuel was stupid cheap rental and fuel by the hr costs....but then sent to Germany...BUT i DID LOG ABOUT 75 HRS FLYING FRIENDS N FAMILY ALL AROUND WESTERN wASHINGTON....I hate caps lock some dayz

It was way to expensive for a E-3/E-4 to afford private rental and fuel....lost private license and never did go back....

I very briefly in 1981~83 owned a Rally 2B sport aerobatic ultra lite...back to germany...in storage the fabric deteriorated...sold craft for scrap....lost arse....

briefly 1/3 sharer of a leased H-13 (MASH) HELO....BACK TO GERMANY SOLD my SHARE

I want a skywalker grav lev machine very badly....or a pod racer.....grin
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