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Shorts Tucano T1-120

Old 01-02-2011, 03:21 PM
  #26  
rcyogi
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Default RE: Shorts Tucano T1-120

Wow........looks great!!!!!! Im still working on the gear doors. Will post some pictures tomorrow.

Cheers,
Old 01-04-2011, 06:21 AM
  #27  
rcyogi
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Default RE: Shorts Tucano T1-120

Some pictures of the gear doors. Slooooooooooooooooooow built but I'm working on it. Will try to finish this door this week....

Cheers,

Pisandro
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Old 01-04-2011, 02:13 PM
  #28  
BMarks4645
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Default RE: Shorts Tucano T1-120

Pisandro, that is really nice, good engineering. Have you built gear doors previously? I applied decals to the fuse today and am installing retract set-up in fuse:tank, servo and plumbing.
Old 01-04-2011, 03:25 PM
  #29  
rcyogi
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Default RE: Shorts Tucano T1-120

Is the first time, probably why is taking me so long. I'm using Lado electric retracts, no pluming here, should be a bit easier.
Post some picture once you put the decals on.

Cheers,

Pisandro
Old 01-06-2011, 08:24 AM
  #30  
BMarks4645
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Default RE: Shorts Tucano T1-120

Pisandro, the dimensions I sent you regarding the motor mounting may be incorrect, I am re-evaluating!
Old 01-06-2011, 10:16 AM
  #31  
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Default RE: Shorts Tucano T1-120

I'm glad Im still on the landing gear......please let me know. Thank you so much for all your help.

Pisandro
Old 01-06-2011, 06:05 PM
  #32  
BMarks4645
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Default RE: Shorts Tucano T1-120

Progress Pics
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Old 01-06-2011, 06:32 PM
  #33  
BMarks4645
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Default RE: Shorts Tucano T1-120

Pisandro, here are a few of my planes, go to this link.
http://picasaweb.google.com/BMARKS46...eat=directlink
Old 01-07-2011, 07:01 AM
  #34  
rcyogi
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Default RE: Shorts Tucano T1-120

Bob, She is looking great!!! You have some sweet planes, thanks for the pictures. Im still working on the gear doors. The all working fine now, just have to put the servos that will open and closed them. Trying to go airless on this.

Cheers,

Pisandro
Old 01-08-2011, 07:54 PM
  #35  
BMarks4645
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Default RE: Shorts Tucano T1-120

Pisandro, here is an update. Finally got the motor correctly aligned third time was a charm. The YS 120 is within 3/8" of the firewall, very tight. I had to elongate the tank hole in the firewall for the plumbing to engine. I wrapped the tank in foam, fits very snug. The YS runs on pressure so I needed two fuel dots, pics will follow. Also method of how I set up the tank pick-up and pressure feeds. In case you stand the plane on it's nose the pick-up won't slide to the front of the tank. Also on planes with conventional gear,a nose over could cause the same problem.
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Old 01-10-2011, 06:36 AM
  #36  
rcyogi
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Default RE: Shorts Tucano T1-120

Thank you!!! I will try to get mine in today. I may go with a different engine since the pitt style muffler for the 120 will not fit.
I thinking putting a gas engine in it.

Cheers,

Pisandro
Old 01-10-2011, 08:12 AM
  #37  
Mpizpilot
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Default RE: Shorts Tucano T1-120

.
Old 01-10-2011, 08:33 AM
  #38  
rcyogi
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Default RE: Shorts Tucano T1-120

I have not done yet, but it will looks like Bob's since is a bit small on the side. I will built a rail just like he did, and mout it on it.
Sorry, I'm just a copy cat here following bob's. He is doing a terrific job, and has help me a lot.

Cheers,
Old 01-10-2011, 06:34 PM
  #39  
BMarks4645
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Default RE: Shorts Tucano T1-120

Gas would be sweet! I like gas. I just installed Robart pin hinges for the rudder. The rudder is not built/sanded properly and tho the holes are in the center the rudder doesn't line up with the fin. I elected to elongate the holes in the fin and fill the remaining gap. Elevator is installed and hooked up to the servo. Here are a few new pics.
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Old 01-12-2011, 08:43 PM
  #40  
BMarks4645
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Default RE: Shorts Tucano T1-120

Pisandro, here is the latest. My son found this link that is interesting to our purpose: http://www.rcuniverse.com/forum/m_97...tm.htm#9758722. My total weight will be 15.5 pounds. The only items that I added beyond the retracts are the cockpit details and the extra servo for the nose wheel. These weigh a total of 7.2 oz. My original concern re wing loading may not be an issue even though my weight is way beyond the specs based on the above link. He has a 108 engine and I have a 120 YS that puts out a lot of power. His engine size relative to his stated weight is.43 cc/ wing loading and mine is .45, nearly the same. Hopefully my engine size will compensate for my additional weight. I suggest you try to save weight where you are able. I'm waiting for my air "quick connects" from Robart and I will be able to complete the air system. Battery and switch is next and we should be complete. We are snowed-in in Atlanta so flying now is out of the question. Here are some pics.
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Old 01-12-2011, 08:48 PM
  #41  
BMarks4645
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Default RE: Shorts Tucano T1-120

Pisandro, See the latest post.
Old 01-13-2011, 08:21 AM
  #42  
rcyogi
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Default RE: Shorts Tucano T1-120

She is looking good!!! You did a great job....I cant wait to get mine painted!

Cheers,

pisandro
Old 01-13-2011, 08:59 AM
  #43  
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Default RE: Shorts Tucano T1-120

.
Old 01-13-2011, 10:51 AM
  #44  
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Default RE: Shorts Tucano T1-120

Are you concerned that the holes inthe ribs will get sloppy over time? Have you had a similar problem in the past? Also my comment re Wing loading vs engine cc should have read Cu In.
Old 01-14-2011, 10:14 AM
  #45  
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Default RE: Shorts Tucano T1-120

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Old 01-14-2011, 10:16 AM
  #46  
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Default RE: Shorts Tucano T1-120

.
Old 01-14-2011, 01:24 PM
  #47  
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Default RE: Shorts Tucano T1-120

Mpizpilot : Roger that wing tube comment, agree. My larger planes have tubes but felt it not to be a problem here. Good luck on the build,hope some of our comments are helpful. I contacted "baldwind" in Norway to get ingo onhis lighting set-up. Let me know if you have knowledge of lighting system. I found some links on web. Here is baldwind's maidenflight:
http://www.youtube.com/watch?v=UOpBdoEcW4Q
Old 01-14-2011, 01:48 PM
  #48  
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Default RE: Shorts Tucano T1-120

.
Old 01-14-2011, 02:34 PM
  #49  
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Default RE: Shorts Tucano T1-120

Hi guys, nice work you are doing with the model.
I am the one with the green "flying brick" you see if you followed the link. My Tucano have had lots of flights now, and maybe i can give you some advice.
First of all. when you stated that the incidence was 5 degrees up, i guess it is correct. I still had to trim the elevator a bit down.
About your 1.20 engine. I think the extra weight in the nose will do you good.
Here in Norway the Tucano was sold as a 0.90 size
About the aluminum wing joiner i am sure it is way to weak as original. Just imagine the force this pipe has to deal with if you are in for a little rough landing. With the main wheels mounted way out on each wing,the weight of the whole fuselage rests on 3-MM each side where the tube enters the fuse.[&:] If this tube gets just a little kink where it enters the fuse it will most certain fully collapse in a hard g turn or hopefully next landing. I made a hardwood rod that i forced into the tube with a little glue. This way i made the tube more solid. I noticed that the side of the fuse where the wing root rests was not a flat, but quite rounded on my Tucano. I sanded it better, and then filled the gap with Hysol to make a tighter fit. This also helps distribute the load away from the wing tube.
After a lot of flights i noticed that both wings where a bit loose. (before i made the sanding of the end of the wing fillet.) Inspection showed that the wing socket inside each wing had worn enough to move each wing 10 mm. I had to cut through my beautifully glass finished wings to get to these sockets. It proved to be cheap rolled up cardboard tubes. A little water inside will be harmful to these.
I made new ones of epoxy/fiberglass .
The lighting system you PM'd about is from electrodynamics.USA
http://electrodynam.com/rc/
This makes a lot of spaghetti inside but is easy and fun to make. I made thermoplastic covers for the lights on the wing tips. These diodes is so bright that you gets dazzled even outside in a sunny day.
I made MPX connectors and the wires together with supply common wherever possible. Just separated where the ones operated from reciever (landing lights comes on with flap)
Theese LED's drains a bit of current so i reccomend separate battery for this purpose. I have a 4.8v 600mah battery wich lasts for about 1 hour.
I also used EZ air connectors. When the wing is in place the air is connected. If you use spring air and no wheel brakes i guess you don't need it.
Are you planning to mount the extra fins at the lower point in the tail?
I did not because i was afraid to mess up the angle and make it fly worse.
Happy landings
Tor
Old 01-14-2011, 02:46 PM
  #50  
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Default RE: Shorts Tucano T1-120

Hah!
A lot of posts have appeared after i started to type mine
You have seen my maiden video i see
I must add one more thing.
I have had a problem with fuel siphoning through carb as the engine is upside down and the fuel tank higher. I have thought of different pump solutions, but ended with a shut of valve just before the carb. Got bored with constant removing the plug to clean it, or leaking fuel all around.
Lowering the fuel tank will be a good idea if there is room for it with you. (mine is packed up with stuff all over[&:])

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