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Old Oct 17, 2002, 01:10 AM
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United States, WA, Port Orchard
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House of Balsa Micro Cub Build

Last year at the AMA Convention, I purchased two House of Balsa Micro Cubs and an Astro Flight 010. I built one of the cubs and have flown it just about every week since. I love this plane so much I wanted to share with all of you the build up of the second kit. The contents of the kit include all the wood needed to build the plane as well as all the pushrods, wire landing gear and a decal sheet to finish up the cub. Wheels are just about the only thing not included in the kit. The wood included is of excellent quality and whoever is doing HofB’s laser cutting, needs a big pat on the back.

Enough of my rambling, let’s get started…
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Old Oct 17, 2002, 01:11 AM
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This thing builds up extremely quick. I had all the parts separated and started in less than ten minutes. Building one before makes this a much easier task but anyone could build this kit without a problem.
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Old Oct 17, 2002, 01:12 AM
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About thirty minutes later I had a completed fuse and tail sections. I told you this thing builds up quick.
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Old Oct 17, 2002, 01:13 AM
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With the fuse done, I turned my attention to the wings. The wings build use two main spars with a cap going over one to hold the ribs in place. The trailing edge is .040 thick sheeting bottom and top with a ¼ inch sq leading edge.
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Old Oct 17, 2002, 01:15 AM
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Did I forget to mention I’m adding ailerons to this one????

I couldn’t resist adding ailerons to an already excellent flying plane. I love my three channel cub so much I just had to add a fourth channel to the mix. I built the wings per the instructions then cut out the trailing edge from ¼” in from the trailing edge sheeting. Once I had the aileron free, I cap stripped the aileron and the wing with 1/8” balsa. I’ll then close up the ends of the ailerons and hinge them in place. Control will be from a pair of torque rods going from the aileron to the center section. I thought about making barn door ailerons but because of the distance between each of the ribs and the need to keep the weight down, I chose against them.

More tomorrow…
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Old Oct 17, 2002, 01:19 AM
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House of Balsa Micro Cub Build

OCModels,

Thanks for posting the building of the HOB Micro Cub. I have looked at it for some time, but could not decide to purchase it. The pictures in all of the ads have not hit my "I like it" button.

What you are showing has made a few hits. I do like the lightening in the tail and fuselage.

I'll keep a close eye on this thread.

Thanks,

Roger
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Old Oct 17, 2002, 02:15 AM
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Hong Kong, Hong Kong Island, Hong Kong
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I have to second OC's statement about this being a great building and flying plane. I love this little plane. Long flights, and she zips around nicely. I love doing just basic aerobatics with her. (mine is rudder elevator)

--Paul
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Old Oct 17, 2002, 04:15 PM
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Started working on the second wing panel today. The wing is very easy to modify since the trailing edge is sheeted top and bottom.

First thing I did was to mark off 1/2 inch from the trailing edge sheet in. I then cut away the trailing edge two ribs in and out to the tip. I installed the tip before doing this as it adds strength to the tip rib.
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Old Oct 17, 2002, 04:18 PM
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Once I have the new aileron seperated from the wing. I trim the remaining ribs from the aileron. With the aileron and the ribs sanded flat, I added 1/8" strip to cap the aileron and the wing.
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Old Oct 17, 2002, 04:23 PM
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Now comes the tricky part. I wanted to control the ailerons using torque rods running through some mini nyrod tubing. I had to figure out how to get the wire through the tube once it was installed in the wing. I decided to bend a 90 degree bend in the aileron end then feed it through and bend the control end after it had been inserted into the tube. I then installed a piece of plywood to attach the covering around the control.
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Old Oct 17, 2002, 04:23 PM
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Another of the aileron control
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Old Oct 17, 2002, 04:26 PM
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Since I'm adding ailerons, I really didn't need all that dihedral the stock wing requires. I decided to use the wing joiners that came with the kit but had to modify them a bit to get them to fit. The wing is really over built to begin with so this little mod won't make it any weaker.
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Old Oct 17, 2002, 04:29 PM
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With the wings joined together, 1/16" sheet is used to cover the center section. I had a picture of the center section before the sheeting but I can't get it from the Smart media card for some reason. Time for a new card I guess...
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Old Oct 17, 2002, 04:32 PM
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Here is a comparison shot of the stock wing and my modified wing. Should look great with the reduced dihedral. I wonder if I should add wing struts for a bit more realism....
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Old Oct 17, 2002, 04:36 PM
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Here are the two cubs!
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