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yankphan, it has been about a month since we discussed your goldwing decathlon. I would be interested in seeing that un-boxing of it you spoke of. Has it arrived?

yankphan

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Lol
Yes it arrived. Beauty
Shoot me your email address I can send pics if you'd like

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Well I am done with the VVRC 40cc twin. Today it killed on me at a low slow flyby..I did not make the turn and broke it almost in half. I have had so much trouble with that motor. Replaced twice for overheating. Rebuilt because the crankshaft came apart. And this sudden quit on me is the last straw. I will go to DLE from now on. The Citabria is a good aircraft. It is what it is and there are certain things you can not do with it. I tried to do a turn around without power or altitude. My mistake. But I will rebuild it. With another motor.

CARS II

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Sorry to hear that, please show pics of your rebuild if you don't mind.

yankphan

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My maiden flight went well!! What a beauty.

http://youtu.be/myt98q-05oc

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The first photo is where the crank of my twin 40 came apart, made that repair and it ran fine until the second flight when it just stopped. Second is the tear down of the Citabria with most of the pieces put together already. Now it's time to reinforce without making it look too bad. The windshield is OK, the cowl is maybe repairable. One muffler is bent. One of the wings has a very slight wrinkle in it. It might be OK. But im tired of this 40 twin,I wont use it anymore.

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This is the part of the Citabria that is a make or brake when it comes to repairs. The part of the aircraft most likely to be damaged is the part of the aircraft that holds the wings and carries the load. the two front post that the windshield fastens to. It must be strong and perfectly aligned. This may be a reason for scraping the fuselage. Just putting the puzzle pieces back together did not result in a strong or straight re-build. I am going to try and cut apart and re-position. But by now I realize that it will take a lot of reinforcing.

CARS II

My Feedback: (7)

What do you want for the twin?

CARS II

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You could use 1/15+1=16 fixed, ply on the outside and the inside to reinforce the air-frame, I have done that before with excellent results.

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For now the twin 40 is shelved. I am installing the DLE 30 in a new air frame that I got a deal on. Since this is the first time installing the suggested motor in this plane I am wondering if that small rectangle air intake is going to be enough for cooling. I want to block off the two air intake's that are for scale only and direct ALL the air into where it would do the most good. So my question is, has anyone had a cooling problem using only that rectangle intake.

JPC guy

has anyone had a cooling problem using only that rectangle intake

I have the dle35ra with the scale intakes and have had no problems. I made sure the opening at the muffler was pretty large though, to make sure the air could get out.

Whiskey Bravo

My Feedback: (31)

I recently tried to maiden my Citabria with a DLE 35RA that I had baffled around the cylinder head in the small rectangular opening and blocked off the the stock intakes. NO GO as the motor heat soaked and would not keep running. I opened up the stock air intakes and it flies great!

EJWash1

My Feedback: (3)

I have a DLE 35RA going into mine as well. So, leave all baffling out of the engine cowl? Is the opening on the bottom large enough for cooling, or did you increase its size?

Thanks for the report!

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I have completed Citabria.2 and ready to maiden. Everything went together very well with the DLE 30. Since it is my second build I did not look at the plans much at all. So I went with the stock air intake with the bottom of the cowl open for exit. Should be just fine. I may still go back to Citabria.1 when I have the time or desire. But, I just ordered the plans and short kit for a 1/4 scale Globe Swift. The cowl will be made next month. The full size 8 rolled sheets were $60, short kit $195, cowl $55. Here is a photo of the cowl. But other things are on my mind for now. I have to replace the fuel pump from inside the fuel tank on my wife's Corolla tomorrow. And on Friday I have a job interview with GE. Then I can go fly.

Whiskey Bravo

My Feedback: (31)

The bottom opening and exhaust size is fine however I did add some baffling on the sides of the cylinder head. Do not close off the stock cowl intakes and you should be good to go.

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So Last Saturday I did the maiden on Citabria 2. Everything was just great. Spark plug wire came off and did a dead stick with no problem. The only thing I miss with that 40 cc is the forever vertical. But with a scale airplane like this, it's not really needed. I am at 1 to 1 with the 30 cc and a 18x10. I will try a 19x8 next time out.

yankphan

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Skip the 19x8 and get yourself a 20x6. I had it on my 74" edge with the 30cc and it's awesome. It'll look sweet too...

http://www.redwingrc.com/index.php?m...roducts_id=411

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No, can't go to a 20". Don't like the slight prop clearance with that. Have to be a 18 or 19.

CARS II

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I flew all three props, by far the best prop size for this airplane is the 20X8, if I had the 35cc on a Mustang I would probably go with the 18X10, clearance is not a real problem as long as the nose is up when landing.

TimD.

My Feedback: (207)

+1

iampilot2

Yesterday I finally flew my GP Citabria for the first time. The elevator and rudder was out of trim but after awkward takeoff due to needing several clicks of up elevator trim, the plane flew beautifully. Used about 10 degrees flaps on landing and greased it, pretty airplane in flare.
Cannot say enough about the OS 33, what a smooth and quite engine, just like my GT22.
This is my first experience with an RC model with flaps, really neat. I did program down elevator mix the plane did not pitch up, got lucky on my mix.
The aluminum spinner that came with the kit was junk, so out of balance.
Anyone have any recommendations on manufacture I should go with on replacement? Interested in CF prop and spinner.

CARS II

My Feedback: (7)

Congratulations on your maiden!

If the spinner is bad then call TH and have them replaced it, I would call that a manufacturer defected part and that is cover under the kits warranty.

iampilot2

No surprise that aluminum spinner is out of balance, all props and spinners should be balanced by user.

vahpr

My Feedback: (3)

Embarrassed I should know this but how do you balance a spinner/backplate assy? Just stick it on the balancer like a prop? Then if it's oob, how to adjust?

vahpr

My Feedback: (3)

So it appears you balance a spinner just like a prop - in this case the length of spinner and backplate is just a little long for my balancer, no problem working around it tho. That said this spinner is so oob I'll find a replacement.

Maidened mine yesterday (EME 35 with electric start, Xoar 20x8), I was concerned with the total weight, seems very heavy but it flew well. Gentle stall, feels heavy but not in a bad way. Rudder is very effective, easy to overcontrol on t/o so I dialed that back. Flaps per the manual seemed good, you have to fly this down to the runway, I wouldn't say it lands itself like my TOC Yak

CG at 3.5" seems good - had to put the batteries back behind the wing (2x2100 LIFE, any 2s or 3s for the starter, ignition is an 1800 LIFE on the low tray in front w/the ignition)

Bought some small hinges, I'll see if the struts can be hinged for easier transport.

Don't know which gear I have but the flying wire mod I like to use handled it fine.

Electric starter is fun!