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Buiding the 33% Waco YMF-5 Barth Modellbau

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Old 05-13-2007, 02:59 PM
  #126
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Cesar and skylarkmk1,

thanks for answer, I know, most difficult will be to make the connection-point with a ball link.

I will make a L-form tin, with a hard-solded thread-muff, where the ball-link is screwed in, sorry my bad english


Regards
Bernie
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Old 05-13-2007, 07:33 PM
  #127
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Hi All,

Does anyone have any idea of making functional front cockpit door? It seems that I have to cutout the upper left side of the longeron between former 507 and 508 and make another former right after 508. I am worried about if this is going to affect the airframe structure. Your input regarding this issue is appreciated. Thank you all!


Wallace
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Old 05-14-2007, 01:15 AM
  #128
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Hi Wallace,

You are building the 1/4/ scale Waco which is a litle bit different from my Waco. Can you give us some pictures for explain something or other.

Cesar
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Old 05-14-2007, 05:01 AM
  #129
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Hi Cesar,

I attached here with two pictures for your reference,

The top view with red line area shows the front cockpit area, it is located on top of both 507 and 508 bulkheads....
The side view with red line area shows the front cockpit door, I may have to cutout the 501 longeron to make functional door...

I hope this is clear enough for you to figure out what I am trying to solve

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Old 05-14-2007, 03:54 PM
  #130
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau


Quote:
ORIGINAL: RCWalker

Hi Cesar,

I attached here with two pictures for your reference,

The top view with red line area shows the front cockpit area, it is located on top of both 507 and 508 bulkheads....
The side view with red line area shows the front cockpit door, I may have to cutout the 501 longeron to make functional door...

I hope this is clear enough for you to figure out what I am trying to solve

Hi RCWalker,

I think if you placed, were you cut out the longeron 507, a extra doubler in the fuse just below the underside of the door its oke. Also the sheeting of the fuse give extra strength.





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Old 05-14-2007, 04:00 PM
  #131
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Today I placed the tailwheel with the springs on the fuse. It was not so easy to get it worked out. The tension of the springs are importend to get the right action on the tail wheel. so maybe not really scale but functional.

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Old 05-14-2007, 06:13 PM
  #132
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Cesar,

Nicely done, very nice.The "C" channel for the front mount is a great idea.
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Old 05-14-2007, 07:22 PM
  #133
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Hi Cesar,

Thank you for the feedback regarding cockpit door issue, thanks!

Wallace
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Old 05-18-2007, 01:35 PM
  #134
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Hi Cesar and others,

as you can see on the photos, I was very busy in the last week. Some works in the next week, and the upper-wing will be ready.

The ribs in the new kit are very filigrane and you must be very careful to handle with it. All is O.K with the kit, I´m happy, all fit´s

together and all is complete!!!!!! The angle from the wings of 2° to upway was exactly, without any corrections.


Regards

Bernie
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Old 05-18-2007, 02:07 PM
  #135
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Quote:
ORIGINAL: BigBoy99

Hi Cesar and others,

as you can see on the photos, I was very busy in the last week. Some works in the next week, and the upper-wing will be ready.

The ribs in the new kit are very filigrane and you must be very careful to handle with it. All is O.K with the kit, I´m happy, all fit´s

together and all is complete!!!!!! The angle from the wings of 2° to upway was exactly, without any corrections.


Regards

Bernie
Hi, looks like you are coming along very well. The kit you have has many improvments over the kit I built. I like the way the ribs have been routed out, mine were solid. I also like the fiberglass landing gear fairings. Mine had to be made out of wood and then sanded to shape. It looks like Peter Barth has been busy making all the improvements in his new production runs of this kit. Did the tail fin and rear elevators come pre-built with the holes already drilled in them???

On another point I was flying my Waco today. it has been a long time since I last flew mine. I had a bad accident a couple of weeks ago and could not fly anything till my arm got well. I must say that flying one of these birds is just so much pleasure. You will block out all the problems in life and get lost in the flight when you fly yours. What a great hobby we have don't you think??

Steve
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Old 05-18-2007, 04:58 PM
  #136
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Hi Steve,

I hope you´re fine now completely after your accident, it´s a bad thing and I hope, never have something.
What a great hobby we have .....That´s right, it trains a lot of in our advanced age..ha ha ha!

The Rudder and the elevator are to built in same way. But you can now built the stab more scale like,
adjustable like the origin, in the plan you can adjust it with a screw, but I want to make it with a DC-gearmotor
or by a strong servo. By the servo version you have the advantage, to adjust it during the flight.

I wish you best convalescense for your arm
Regards from southern germany

Bernie
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Old 05-19-2007, 03:07 AM
  #137
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau


Quote:
ORIGINAL: BigBoy99

Hi Cesar and others,

as you can see on the photos, I was very busy in the last week. Some works in the next week, and the upper-wing will be ready.

The ribs in the new kit are very filigrane and you must be very careful to handle with it. All is O.K with the kit, I´m happy, all fit´s

together and all is complete!!!!!! The angle from the wings of 2° to upway was exactly, without any corrections.


Regards

Bernie
THat looks good Benie. I have build a Pitts from Weiershauser that also have ribs that were cut out or routed out, but with the Waco they were were solid.

What could be the reasen why that is done? Is it for the weight or strength? Anyhow it looks better I think.


For Steve;
Great to hear that it go better with you Steve and as Bernie say get well soon!

Cesar.



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Old 05-19-2007, 03:19 PM
  #138
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Hi Ruud,

I think, the reason of this cutted ribs is in first line the weight. Second is in my opinion the more professional look,
Genesis does it this way since years.
Now in this phase the wing seems a little bit fragile, but I think, after planking the nose of the wing, it will be better.


Regards
Bernie


Edit: I forgot to ask you, wich servos do yo use for your ailerons? And do you use 2 or 4 servos.
I´m planing the 4 servos version, 4xHS645MG with 11kg torque, and I don´t know, is it enough?
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Old 05-19-2007, 05:53 PM
  #139
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Quote:
ORIGINAL: BigBoy99

Hi Ruud,

I think, the reason of this cutted ribs is in first line the weight. Second is in my opinion the more professional look,
Genesis does it this way since years.
Now in this phase the wing seems a little bit fragile, but I think, after planking the nose of the wing, it will be better.


Regards
Bernie


Edit: I forgot to ask you, wich servos do yo use for your ailerons? And do you use 2 or 4 servos.
I´m planing the 4 servos version, 4xHS645MG with 11kg torque, and I don´t know, is it enough?
Bernie I used 2 servos on my wings, 1 one each side HS5955TG 330oz @6.0 volts seems to be more than enough.
Steve
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Old 05-20-2007, 02:42 AM
  #140
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Hi Bernie,

I have not used the counterweights on the ailerons so I have used on each aileron a servo, Peter Barth adviced me: without the counterweights each aileron a MG 8-10 kg servo.
And your choice for the servo's are the same as mine, I have also used the HS645MG for the ailerons.

grüßen,

Ruud.
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Old 05-24-2007, 05:34 AM
  #141
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Howdy, it's beautiful maiden-weather today, but is the Waco ready yet?

Greetz.
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Old 05-26-2007, 04:48 AM
  #142
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Hello Alex,

Yes the Waco is, besides a few small things, ready for maiden.

Now a litle bit screw up one's courage and go......

The last thing I have done is build in the reciever, powerbox and battery and connecting the all thing together.

Cesar.
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Old 05-28-2007, 09:33 AM
  #143
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Hi all,

I had a little work past week, now the upper wing is ready, grope sanded and installed
the servos with the plugs and wires.
After planking the nose of the wing, it´s very stabil now, no more torsion, I´m glad about this

Cesar, I wish you luck for your maiden, if you are ready [sm=thumbup.gif][sm=thumbup.gif][sm=thumbup.gif]

Regards
Bernie
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Old 05-31-2007, 06:58 AM
  #144
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Hi All,

Here is my 1/4 Scale Waco YMF-5 from Barth Modellbau.....

Wallace J. Kao


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Old 06-02-2007, 10:43 PM
  #145
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Hi RCWalker,

it look´s good, your Waco! Did you started the built with the fuselage?

Give us more pictures, if you have.


Regards

Bernie
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Old 06-02-2007, 11:23 PM
  #146
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau


Quote:
ORIGINAL: BigBoy99

Hi RCWalker,

it look´s good, your Waco! Did you started the built with the fuselage?

Give us more pictures, if you have.


Regards

Bernie
Bernie , Hi Steve here. Have you started your Waco yet????? I just got a 30% Stearman kit. It will be about as big as my Waco. Just opened the boxes. There is so much wood in there that I decide to put the kit away till winter time before starting the build. Need to find more space to build it. My garage is full with a car and the Waco and my 30% Yak 54. maybe I need to build a bigger garage before starting another big model. Either that or move the car outside full time. I will asking my friend Kris who lives in Rotterdam a lot of questions on this one. He has already built this kit. He is a master builder so I have a good teacher to ask questions.
Have a great day Bernie.
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Old 06-03-2007, 06:06 AM
  #147
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Hi Bernie,

I was hoping that I could see some pictures of your fuse construction here

I did the bottom half of the fuse, Now checking the tail wheel strut fitting before working on the top.....

Wallace J. Kao


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Old 06-03-2007, 08:39 AM
  #148
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Hi all together,

@Steve
I´m so glad, to have a big room to built my waco, no problem to fit the wings and the fuselage together on my
building-board. If you built in your garage, isn´t it cold in winter? Edit: oh, sorry, you lucky guy are living in California
What about your arm, are you well and healthy?
Today I have the problem, from the lower wing the right half is a little bit warped, because I put it from the building-board,
to make planking the nose area. After this, I realized, something is wrong, the front wing-end is 1/3 inch higher, than the rear wing-end.
I fixed it on the board under tension and sprayed the nose with water, I think, my first prognosis is, it works.
I have to wait, until it gets dry.

@RCWalker

I began with both wings, the upper is nearly ready and the lower is in progress.
When I start to built the fuselage, you will see photos above.

@ Redcesar

What about your maiden, some news?



Regards

Bernie
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Old 06-03-2007, 10:10 AM
  #149
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Default RE: Buiding pics Waco YMF-5 Barth Modellbau

Anyone,

I would like to know what the weight of the completed Peter Barth 33% WACO is. In comparison, what is the weight of the Team Genesis 33%WACO?
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Old 06-03-2007, 10:14 AM
  #150
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ORIGINAL: Cybertom

Anyone,

I would like to know what the weight of the completed Peter Barth 33% WACO is. In comparison, what is the weight of the Team Genesis 33%WACO?
Hi My 33% Barth Waco is 47lbs RTF with a RCS 215 on the front
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