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All Forums >> RC Airplanes >> Scratch Building, Aircraft Design, 3D/CAD >> RE: Jensen Ugly Stick Build
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RE: Jensen Ugly Stick Build - 2/19/2009 10:06 PM   
flying pastor


 

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Status: offline 		Sean, the build thread I was thinking of was by hammerd. Thanks for the info on the underfin. I made mine out of three laminations of ply and the centre one is let into the bottom of the tailplane so I think that it will stay put. Our weather has been somewhat bizarre. Two days before the maiden we had 4ins of snow, when I maidened it was quite warm and sunny and today has been about 10 degrees C. Spring is on the way!! Incidentally do you think an OS 46 FX would fly a DUS. I have just come into one of these from a deceased modellers estate and it has only about 6 flights on it and is I believe quite a hot motor.
All the best to you stick builders and fliers. Chris. UK.
p.s. in the near future my DUS will hopefully be flown by the club "hotshot". I will be interested in his comments on its flying performance.

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RE: Jensen Ugly Stick Build - 3/21/2009 9:24 PM   
flying pastor


 

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Status: offline 		Just a short update. 8 flights completed now (1 hour total approx). All controls set up and harmonised to my satisfaction and power system is working flawlessly. Last flight was by the club hotshot. After I had reminded him it was not a fun-fly but a sport aerobat he proceeded to fling it around the sky and was surprised and full of praise for the way it flew. The problem I have is what to build next? It needs to be for 60 to 90 power and a sport aerobat, possibly low wing. Meanwhile I have a great model to fly and enjoy.
Chris UK.

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RE: Jensen Ugly Stick Build - 3/22/2009 12:22 AM   
Mustang Fever



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Status: offline 		Nice going, Chris

I good, easy to fly aerobat is the Super Kaos. The plans are available through RCM Magazine website.


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RE: Jensen Ugly Stick Build - 3/22/2009 11:25 AM   
matadco


 

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Status: offline 		You can order an Utter Chaos through Bluejay hobbies in Nebraska. I just finished one but I added retracts. Had the 40 size Chaos from Bluejay which was a great little bird until let someone in the club crash it for me.

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RE: Jensen Ugly Stick Build - 3/22/2009 4:19 PM   
Mustang Fever



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Status: offline 		Here's the url for Bluejay: http://www.bridiairplanes.com/

I ended up purchasing a short kit for the Super from these guys: http://lazer-works.com/misc.html
The super is near the bottom, and now they're calling it the "ultimate", as they've redesigned the fuse, so the original RCM plans may or may not work with it. I'm glad I got mine before they changed it.


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RE: Jensen Ugly Stick Build - 3/22/2009 4:20 PM   
flying pastor


 

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Status: offline 		Bob, thanks for the reply the super kaos is just the type of model that I am looking for.
Matadco, thanks for the info but shipping to the UK can be expensive. I am also looking to plan build for my project for next winter.
All the best.......Chris UK.

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RE: Jensen Ugly Stick Build - 3/22/2009 5:06 PM   
Mustang Fever



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Status: offline 		Chris: Here's the url for the plans: http://rcmmagazine.com/store/store-plans-catalog-tem.html?item=plans:pl-526&sid=0001LfVNolYXhwskXw3e3h9

The build article is available online at the RCMM website too. You click Requested Articles, then Construction, which you usually have to do a couple times to get in, then sign in with newuser and imaa (which they show you) , then it's plan #526 as you go down the list. Sometimes the article won't load properly, but eventually will.

You'll love the way a Kaos flies. They'll do about anything you're willing to try except hover, and land easier than any trainer I've ever had. When I build mine, I'm going to use an OS 55AX, but given the difference in engines between then and now, a 45-50 would probably be more than enough.


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RE: Jensen Ugly Stick Build - 3/22/2009 5:13 PM   
Redwulf__34



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Status: offline 		Some great plans hanging around here too. http://www.profili2.com/eng/plans.asp Type in Kaos and you'll get some drawings there. If you like a scratch build.
I always wanted to build a kaos. Never got around to it. Working on a small corsair now. Going to be electric park flyer!

Sean

< Message edited by Redwulf__34 -- 3/22/2009 5:14 PM >

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RE: Jensen Ugly Stick Build - 3/26/2009 7:42 AM   
jrcaster



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Status: offline 		I got the plans yesterday, and ordered about a half a tree worth of balsa today. I plan on doing a few changes to this to make it more modern.

I am swapping out the formers from balsa to 1/8 light ply, Aileron stock for the ailerons and elevator instead of 1/4 inch flat stock, Wing bolts, and changing the hatch to get rid of the rubber bands, and changing from 1/4 balsa for the sides and going to 1/8 inch balsa and 1/8 inch light ply doublers bach to the rear of the wing saddle. Also building with no dihedral. I am thinking of building the wings with sheeted leading edge and sheeting the center section too, and adding shear webs.

Other things that are getting changed are to not cut out the control horn area and adding plywood there. I plan on reinforcing that by poking a pin in those areas and using thin CA.

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RE: Jensen Ugly Stick Build - 3/26/2009 10:04 PM   
flying pastor


 

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Status: offline 		jrcaster. I wouldn't change things too much. Wing, zero dihedral seems to work well and shear webs are always a good idea. I sheeted the centre section but not the leading edge and it seems fine. I kept the balsa formers and the 1/4" balsa sides but I put in 1/32" ply doublers from the firewall to just behind the wing trailing edge. I am quite happy with wing bands but can understand anybody changing to a bolt on wing. Enjoy the build...and the flying.
Chris.....UK.

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RE: Jensen Ugly Stick Build - 3/27/2009 7:51 PM   
8178



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Status: offline 		I prefer just a smidge of dihedral to eliminate the drooped wing illusion straight wings cause.

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RE: Jensen Ugly Stick Build - 3/27/2009 9:00 PM   
Redwulf__34



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Status: offline 		Hi Jrcaster!
Good to hear more sticks are being built! She is a great bird! I agree about the rubber bands. Get rid of em!!!!!! I'm not sure how much other redesigning she needs. Sounds like you know what your doing though so have at it!

My wing is flat no dihedral. I wouldn't build it any other way personally. Much easier for starters. I just built the whole wing in one piece. Check out how I did myhatch post #115. I'm real happy with it.

Post your progress. I like seeing them!!

Sean

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RE: Jensen Ugly Stick Build - 3/27/2009 9:47 PM   
Nergall


 

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Status: offline 		I agree the wing looks best with just a tad bit of dihedral. OTOH, probably doesn't knife edge as well that way.


My hatch version: (Post 40-47)

http://www.rcuniverse.com/forum/fb.asp?m=8539594

Copied this from a previous Sweet Stick. The wing holds it in place, so there are no screws, dowels or whatever to add. You just need a bit of frame to keep it from sliding side to side.

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RE: Jensen Ugly Stick Build - 3/27/2009 9:57 PM   
Redwulf__34



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Status: offline 		Hi Nergal!
That's another great way to hatch too. I built a sweet stick years ago. It had a hatch that way too. I was originally going to build my DUS that way too. The only reason I changed my mind was the nose gear. On my Sweet Stick it was a pain in the uh huh to get to the nose gear with the balsa up front. I wanted a clear unobstructed path to the nose gear and the engine mounting stuff.

Your build looks great. I'll be tagging on there to see the progress!

Sean

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RE: Jensen Ugly Stick Build - 3/27/2009 10:05 PM   
Nergall


 

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Status: offline 		Gotta agree on the nose gear!

What made it especially bad was I had built in some rails to hold the fuel tank up. I'm thinking of building a removable "table" of sorts for that this time.

Of course, if had just mounted it on the outside instead...

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RE: Jensen Ugly Stick Build - 3/28/2009 8:58 PM   
jrcaster



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Status: offline 		I plan on putting the nose wheel on the outside, so the hatch will not be needed, so I plan on increasing the hight of the firewall and sides by 1/8 inch and using a 1/8 inch sheet for the hood instead of 1/4 inch. That will also give me 1/8 inch more meat on former 2 so I can run dowels in there for wing attatchent. Since the wing is not sunk down into the fuselage, I can't run the dowels straight through the leading edge like most bolt on wings and I will go to my Sig Kavalier plans to be able to design an offset mount.

I know that I am playing with a lot of different ideas on this, some areas I am decreasing weight, and other areas I am adding weight. I remember reading in one of the early posts that the wing was still flexable (twist) after it was built up. Maybe the covering will tighten that up, but I know that D tube construstion will take a lot of the flex out of it.

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RE: Jensen Ugly Stick Build - 3/28/2009 9:01 PM   
jrcaster



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Status: offline 		As far as knowing what I am doing, When I go for the maiden and the plane explodes at the end of the runway... we will know then.

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RE: Jensen Ugly Stick Build - 3/28/2009 10:24 PM   
flying pastor


 

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Status: offline 		jrcaster. Have a look at "ugly stik build from internet plans" for one way of front wing attachment although this needs different centre ribs. You could also fit the front dowels so they fit below the leading edge. Regarding wing twist, one well known British designer (Peter Miller) has fitted shear webs on BOTH sides of the main spars on some of his models and says that this improves matters considerably. When the wings are covered they appear to be very twist resistant.
Chris....UK

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RE: Jensen Ugly Stick Build - 3/29/2009 7:13 AM   
jrcaster



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Status: offline 		I tried to check it out but seems the links to all the pictures were broken.

I have the Sig Kavalier, and the wing is joined by lowering the dowels below the leading edge. That is why I mentioned that in the previous post.

As far as the box construction, I didn't think of that. That is similar to the Fokker DR1. I chose the D tube construction for two reasons, I am familiar with it, and it will reduce the leading edge turbulance created by the forward sub spars and pockets created then covering the wing. The D tube may be heaver than the box or the original versions, but the smoothness will make the wing more rugged, and increase the top speed a little.

I don't expect this plane to be as fast as the SuperSportster, but I want it to be a little more efficient than what was designed back in the 60's

< Message edited by jrcaster -- 3/29/2009 7:19 AM >

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RE: Jensen Ugly Stick Build - 4/3/2009 4:59 AM   
jrcaster



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Status: offline 		I got my wood today. Now I just have to finish covering on my SuperSportster and clean off the table. Then it will be time to start making templates, and making sawdust.

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RE: Jensen Ugly Stick Build - 5/9/2009 11:16 PM   
MasterAlex



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Status: offline 		Sean

I know you're onto bigger and better now (F4U), but I thought I'd post a picture or two of my scratch built stick. Your build inspired me to give it a shot and honestly, this turned out better than I had hoped. This was my first scratch build and I definitely will do another. I plan to maiden this tomorrow. For those interested, this was built from plans drawn by Jason Nimier of RCU.

-MA



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RE: Jensen Ugly Stick Build - 5/10/2009 12:33 AM   
MasterAlex



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Status: offline 		... a couple more - the first image was too large to allow other photos on the same message, sorry about that

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RE: Jensen Ugly Stick Build - 5/10/2009 1:16 AM   
Redwulf__34



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Status: offline 		WOW! Looks great Alex. I love your scheme. You'll love how she flies too. I have been pretty busy here. The Corsair has made no progress lately.

I haven't had the stick out either. Things have been so busy lately. I'm hopeful to get the DUS back in the air within the next few weeks. I'll be joining a new club this year. Last year I was a member at a nice club but it was 30 minutes away. That made it hard to get energized to go flying. This year I'll join the local club. It's 5 minutes away. It is a bigger club and not as friendly a bunch of guys but it's close.

Cant waite to hear how the maiden goes!

Sean

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RE: Jensen Ugly Stick Build - 5/10/2009 1:39 AM   
Nergall


 

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Status: offline 		Here's another one!

Hoping to maiden next week as well.

More details here: http://www.rcuniverse.com/forum/fb.asp?m=8754729

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RE: Jensen Ugly Stick Build - 5/10/2009 2:16 PM   
MasterAlex



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quote:

ORIGINAL: Redwulf__34

WOW! Looks great Alex. I love your scheme.


Thanks Sean! I got the idea from your thread - the idea to go against the "traditional" Stick markings. I flew a .40 Stick for years and hated when someone else showed up with the exact same plane. I looked through historical planes and really anted to do a losenge pattern and make it really look like a WWI German plane. Something like the 1st picture below (can't remember, this might have come from you ...). Anyway, I couldn't bring myself to take out a second mortgage for the losenge covering - maybe I'll do it someday. I stumbled on a RCU ad one day for a Nitro Planes DR-1. The covering was unique (Picture 2), and served as the inspiration for my build. I doubt there'll be anything at the field resembling this stick . I also like it because there were once planes painted this way, so it makes it "feel kinda scale".


quote:

ORIGINAL: Redwulf__34

Cant waite to hear how the maiden goes!


I'll let you know - wish me luck.

-MA

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< Message edited by MasterAlex -- 5/10/2009 2:17 PM >

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