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Protech Tojeiro-90 build. The last one?

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Old 01-28-2007 | 07:38 PM
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From: VleutenUtrecht, NETHERLANDS
Default RE: Protech Tojeiro-90 build. The last one?

Oh, i'm not saying it's a bad plane, it's not. I have no doubt ppl have and will win competitions with it.

It flies fine and looks good, both on the ground as in the air. All components are of high quality. AFAIK this is the case for all Tojeiro's (50,90,140).

I doubt this .90 Tojeiro will be the last or that it will take Protech very long to restock them, if they have not done so already.
Old 02-02-2007 | 12:01 PM
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From: kristiansand, NORWAY
Default RE: Protech Tojeiro-90 build. The last one?

A contest can be a lot of things ,were it a Competision fore beginners or advanced ? I came 3d ones with a kysho cap in a norwegian national competision ,but it were the easyest program . No dobut that the plane can do well in a intermidiat competision but most pattern planes can with a good pilot.
Old 02-02-2007 | 04:08 PM
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Default RE: Protech Tojeiro-90 build. The last one?

ORIGINAL: wagen017

just put the canopy on to see how it looks. This plane starts to look like a mean SOB (pardon the language!)!!! Must be because the gear makes it sit really low!!

OK, now we go for the 64.000$ question!!! Should I leave the canopy transparant, or paint it f.i. silver metallic??

I missed that question
I painted my canopy black yesterday, and the result is awesome! I couldn"t have been more happy with the way it turned out.
If you want your tojeiro to really stand out, then you can"t go wrong with giving it a layer of paint!
If you want me to take a pic, then let me know and I"ll attach right here
Old 02-03-2007 | 06:45 AM
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Default RE: Protech Tojeiro-90 build. The last one?

I painted it as well now, silver. Looks great!
Old 02-03-2007 | 07:05 AM
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Default RE: Protech Tojeiro-90 build. The last one?

I thought about silver too, but ended up with black!
Later man:-)
Old 02-03-2007 | 01:29 PM
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Default RE: Protech Tojeiro-90 build. The last one?

yesterday received an email from Protech. The Tojeiro series will be continued, they have currently no plans to add other F3A type of airplanes. They are planning a redesign of the 90 version, so production of this particular version will be delayed a bit.

They are planning the release in 2007 of a 1100mm, 1250 grams electric version.
Old 02-03-2007 | 01:31 PM
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Default RE: Protech Tojeiro-90 build. The last one?

Today went flying at our club. One other member showed up, he was now finalizing his Tojeiro-140!! Basicly he bought the last available 140! His will be powered by the same engine as his previous 2m F3A plane (this one was retired). So, beginning of March, probably, we can show a picture of all three Tojeiro's lined up. I will ask him to write a little review of the 140.
Old 02-03-2007 | 02:56 PM
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Default RE: Protech Tojeiro-90 build. The last one?

So, this night I glued with epoxy the stabilizer halves to the fuselage. There was a nasty surprise here, since the alignment of the outer tube was not good!!! []. I used a file to widen the outer tube (which is already glued into the fuse), so I could change the angle of the tube, to make it perpendicular to the fuse. Of course, the whole thing then sits quite loose. I aligned it as good as I could, and measures the distance between stabilizer tips and wing tips. Luckily, the stabilizer halves themselves are straight, so if you press them against the fuselage, they come out straight (both the distance to the wingtips, as the angle to the fuse vertically.

I tried to make this visible in picture #1

I removed the oracover of both fuse and stabilizer halves (picture #2, I always use a soldering iron to remove covering), epoxied everything and then hold it 10 minutes. Seems to work out fine.

The flying buddy I mentioned above, who bought the Tojeiro-140 had EXACTLY THE SAME PROBLEM. So, if you are thinking about buying the 90 or the 140, make sure you check this alignment before you buy (just put the tube in, and press the stabilizer halves against the fuse. If there is a gap, it is not aligned correctly). If you order it by the internet, let the shop check this and assure to you it is OK.
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Old 02-03-2007 | 02:59 PM
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Default RE: Protech Tojeiro-90 build. The last one?

DONE!!! Here is the complete plane!! I will put the engine cover on once the perry/engine is setup correctly.

Murdoc, could you add a picture as well of your Tojeiro with the black canopy?
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Old 02-03-2007 | 05:09 PM
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Default RE: Protech Tojeiro-90 build. The last one?

the Tojeiro 90 doens't come with a cowl?

It sure is a looker.. now go fly that thing!
Old 02-03-2007 | 05:12 PM
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Default RE: Protech Tojeiro-90 build. The last one?

Looking good man:-) Great to see some progress, looks like you"re doing a nice job!
I just shot a pic of my tojeiro, not the best pic but it will do..
The maiden flight is going on film, so you guys can see!
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Old 02-03-2007 | 06:12 PM
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Default RE: Protech Tojeiro-90 build. The last one?

oh, forgot to mention that my tojeiro is extremely tail heavy.
I even use sub-c cells as far forward as possible, receiver and everything I can think of is mounted as far forward as possible!
So I guess I just have to bite the dust and add some lead
As if the tojeiro isn"t heavy enough..
Old 02-03-2007 | 08:13 PM
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Default RE: Protech Tojeiro-90 build. The last one?

I had the same problem with a plane. I moved the wing tube back about an inch. At first I was apprehensive about it, but it only took a few hours, and no lead needed. May be worth a look.
Old 02-04-2007 | 05:10 PM
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Default RE: Protech Tojeiro-90 build. The last one?

OK, this afternoon had some time to get the engine running. I did not have to touch the Perry pump, so that was easy enough.

I could also finalise the mounting of the engine cover. I also used a Tru-turn spinner (another extra 40 grams, but what the heck!).

So, here it is!

Total weight: 4190 grams. Center of Gravity at 16 cms behind the leading edge. That is one cm more then recommended by Protech, but I will fly it anyway as it is. Hopefully next weekend, since after that I will be travelling for two weeks []
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Old 02-04-2007 | 05:24 PM
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Default RE: Protech Tojeiro-90 build. The last one?

So, I am now ready for Maiden flight. Murdoc, what about you?
Old 02-04-2007 | 05:55 PM
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Default RE: Protech Tojeiro-90 build. The last one?


ORIGINAL: wagen017

So, I am now ready for Maiden flight. Murdoc, what about you?
Your silver canopy suits the tojeiro perfectly!
Yeah, my tojeiro is also ready for some time in the air now! Cg is at 16,5 cm from the leading edge..
So it is a bit tail heavy, but not more than defensible.
Just waiting for an opportunity to fly it, and as I promised it"s all going on tape!
Old 02-07-2007 | 01:21 AM
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Default RE: Protech Tojeiro-90 build. The last one?

Wagen017,

Glad to here you are ready to fly your Tojeiro. I moved my CG back to 165 mm and it flys real well. I'm going to move it a little more to the back approximatley 170 mm. and see how she does. Please post a report as soon as you can on your maiden flight. Good luck

Larry
Old 02-07-2007 | 10:27 AM
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Default RE: Protech Tojeiro-90 build. The last one?

OK, time for a first FLIGHT REPORT!!

Today was a cold and a very damp day. 2 degrees C and low hanging cloud/fog.

After starting the engine I checked the rpm and it is at 9400 rpm with an APC14x10. This is much better then the previous setup, with a slightly longer pipe.

After a final check of direction of all flight surfaces, it was time to fly! After lift off, it needed quite a bit of down trim. The ailerons I did not touch, no trim needed there. The plane flies very fast, and also due to the low clouds I needed to keep the airplane close to me.

The engine is more then capable for this plane. Loops and square loops are flow with authority. You are also able to fly through these figures with more or less the same speed.

Thrust of engine I checked by flying at full speed and then go to idle. It flies on straight. I checked CG by checking the vertical down line with idle. CG (at 16 cm) seems to be right, the plane does not veer to the canopy or belly.

Knife edge needs very little adjustment with elevator to fly straight. With full throttle, I limit rudder to about 30 degrees, but if I pushed it full, it would also go up in knife edge.

Landing was easy, the plane slows down very well, but keeps flying (much better then the Tojeiro-50) well until it hits the ground. I was afraid on landing that the propellor would hit the ground (it sits very low, and the gear seems to flex a bit), but this was OK, despite the long grass now.

I think this is a very capable airplane, which will give me a lot of fun flying! Today, when I flew loops, it would disappear in the clouds, but I am sure you can fly veeery big loops with this plane.

For the next two weeks I have no time to fly (that's why I took now the afternoon off to get at least some airtime!!), but once I get some more time on it, I will let you know. For now, I am very happy with this plane.
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Old 02-07-2007 | 11:40 AM
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Default RE: Protech Tojeiro-90 build. The last one?

That is good stuff, man!
So overall you are maybe a bit impressed? despite its weight issue....
anyway, the plane survied and you are happy, what could have been better?
Old 02-07-2007 | 11:44 AM
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Default RE: Protech Tojeiro-90 build. The last one?

Wagen017,

Glad to here your flight went well. For the new style pattern planes that are suppose to fly slow and do all the maneuvers, the Tojeiro flys fast. I did switch to a 15x8 prop and 30% heli fuel and my performance for my YS 91AC has greatly improved. This engine without any muffler weighs 737 grams. I have a hard time getting it to slow down on landings, but I know it will fly slow and it is very stable. Great to here yours is doing good.

Larry
Old 02-07-2007 | 11:58 AM
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Default RE: Protech Tojeiro-90 build. The last one?

Murdoc, I am very happy with the plane, weight is no issue, I was concerned about the uplines, but it flies very well thru them. For my level (rc2, rc3) it is fine! I am very interested to see the comments of this flying buddy at our club, who is finalizing his Tojeiro-140. He is a better flier then me, so should be able to tell more about the more difficult manouvres.

volkert
Old 02-07-2007 | 12:18 PM
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Default RE: Protech Tojeiro-90 build. The last one?

The 140 size is not available here in norway before mid march.
Do you consider a 140? I"ve heard that its landing gear is the same as the 90 size, so the prop has almost no clarification.
But it sure looks good!
Would have been kind of cool to own the entire tojeiro series!?
Old 02-07-2007 | 12:52 PM
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Default RE: Protech Tojeiro-90 build. The last one?

No, I already have a 2m pattern plane. Before I bought it, I did consider the 140!
Old 02-07-2007 | 01:21 PM
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Default RE: Protech Tojeiro-90 build. The last one?

I c
Don"t think my choice of a 2x2 m pattern plane would be the tojeiro 140.
I would have opted for a composite plane, no doubt.
Old 02-07-2007 | 01:27 PM
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Default RE: Protech Tojeiro-90 build. The last one?

Here is what I have now (off-topic, but what the....)
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