RE: JETMACH - TURBINE TRAINER BUILDING

RE: JETMACH - TURBINE TRAINER BUILDING
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RE: JETMACH - TURBINE TRAINER BUILDING - 2/8/2007 11:34 AM

cel

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Hello everybody. The Monokote covering is ready. I will ad some trim rims around the canopy and purchase some vinil graphics ( stars,numbers,letters etc ) . I will start installing all the turbine components and radio gear, these days. Here more pics. Regards

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Post #: 126

RE: JETMACH - TURBINE TRAINER BUILDING - 2/8/2007 11:36 AM

cel

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More pics

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Post #: 127

RE: JETMACH - TURBINE TRAINER BUILDING - 2/8/2007 11:42 AM

cel

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More pics. Note that the nose gear is from Robart. Testing the main tank fit. I also purchased a 16oz boat tank from Sullivan. After the first flights i will see the flight time and may be install it over the main tank. Regards.

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Post #: 128

RE: JETMACH - TURBINE TRAINER BUILDING - 2/8/2007 11:48 AM

cel

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Hello Tricolore. I used Monokote Aluminum metallic from Top flite. The code is TOP Q0205. See at WWW.MONOKOTE.COM. Regards and keep posting pics of your Jetmach building.

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< Message edited by cel -- 2/8/2007 11:57 AM >

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Post #: 129

RE: JETMACH - TURBINE TRAINER BUILDING - 2/8/2007 11:59 AM

cel

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Look at post 129. Regards

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Post #: 130

RE: JETMACH - TURBINE TRAINER BUILDING - 2/8/2007 3:25 PM

limeybob

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Cel, looking great.
FYI you can put another tank in front of the main tank if you wish, it will make the first take off slightly nose heavy, but this is not a problem for the JetMach, we do this routinely with a smoke tank. Just use the fuel from the forward tank first.
Don't forget to balance with the UAT full of fuel.
Regards
Bob

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Post #: 131

RE: JETMACH - TURBINE TRAINER BUILDING - 2/8/2007 8:29 PM

Shok

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Wow cel your almost there, can't wait to see it fly.

Bob is right, you can just stick a tank in front of the main tank if you want. Works fine.

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Post #: 132

RE: JETMACH - TURBINE TRAINER BUILDING - 2/12/2007 12:00 PM

cel

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Hello everybody.I have just started the on board equipment installation. The covering is ready and i installed the aluminum heat shield. Note that the nose wheel is custom made as the main wheels and brake system. ( i will post pics soon ) . They are manufactured by a friend of mine here in Brazil. The air connectors are from Legris. I will post more pics as the installation goes on. Best Regards

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Post #: 133

RE: JETMACH - TURBINE TRAINER BUILDING - 2/12/2007 12:05 PM

cel

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More pics. The header tank is 7oz. There is room for another tank under the equipment tray or over the main 50oz tank.

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Post #: 134

RE: JETMACH - TURBINE TRAINER BUILDING - 2/12/2007 12:10 PM

cel

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pics. The aluminum heat shield is ready. Note the rudder linkage and Robart nose gear. I made a small box to enclose the landing gear space.

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Post #: 135

RE: JETMACH - TURBINE TRAINER BUILDING - 2/12/2007 12:18 PM

cel

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Pics. The main tank fit .

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Post #: 136

RE: JETMACH - TURBINE TRAINER BUILDING - 2/12/2007 12:22 PM

cel

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Pics. Wing control surfaces installation.

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Post #: 137

RE: JETMACH - TURBINE TRAINER BUILDING - 2/12/2007 12:37 PM

cel

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Pics.

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Post #: 138

RE: JETMACH - TURBINE TRAINER BUILDING - 2/12/2007 12:58 PM

cel

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Pics.

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Post #: 139

RE: JETMACH - TURBINE TRAINER BUILDING - 2/12/2007 3:54 PM

Shok

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nice!
Keep em coming Cel

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Post #: 140

RE: JETMACH - TURBINE TRAINER BUILDING - 2/12/2007 4:28 PM

cel

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Hello everybody. I have been thinking about the comments regarding the servo arms lenght versus servo loading and flutter problems. I am using the servo arm supplied with the Hitec digital servo used. What should i do. Regards.

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RE: JETMACH - TURBINE TRAINER BUILDING - 2/12/2007 5:31 PM

joeflyer

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On your servo arms I would recommend moving the control linkage inboard a couple of holes to improve mechanical advantage and centering of the surfaces. Ideally you should be as far in as as you can at the servo and as far out as practable at the contol surface horn that will allow you to get the desired travel. I usually shoot for close to a 2:1 ratio.

The standard servo arms should be fine except for the adjustable one you have on the steering servo. The steering will take a beating and it may come loose. Replace it with a regular non-adjustable servo arm.

Joe

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Post #: 142

RE: JETMACH - TURBINE TRAINER BUILDING - 2/13/2007 12:05 PM

cel

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Thanks Joe for the input. Below a few more pics. Almost ready. I plan to install the turbine this week. Regards.

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RE: JETMACH - TURBINE TRAINER BUILDING - 2/13/2007 12:10 PM

cel

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More.

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Post #: 144

RE: JETMACH - TURBINE TRAINER BUILDING - 2/13/2007 12:48 PM

cel

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Pics.

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Post #: 145

RE: JETMACH - TURBINE TRAINER BUILDING - 2/13/2007 1:28 PM

cel

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More pics. The main landing gear is in its place and wheels and brake system are ready too. There is also a inox fod screen at the fuselage air intake.Main wheels are 78mm diam. Regards

< Message edited by cel -- 2/13/2007 1:36 PM >

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Post #: 146

RE: JETMACH - TURBINE TRAINER BUILDING - 2/13/2007 1:30 PM

cel

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More pics. The main landing gear is in its place and wheels and brake system are ready too. There is also a inox fod screen at the fuselage air intake. Also add a Monokote neon orange trim around the fuselage air intake and mettalic aluminum around the canopy. Regards

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Post #: 147

RE: JETMACH - TURBINE TRAINER BUILDING - 2/13/2007 3:09 PM

cel

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Hello Bob . It has been a lot of work, but i think it is going to be ok. Do you think i should make any modification at the servo lenght arms. Any more comments , or i am on the right way. Best Regards.

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Post #: 148

RE: JETMACH - TURBINE TRAINER BUILDING - 2/13/2007 8:36 PM

limeybob

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Cel, everything is looking very, very good, congratulations.
Please refer to my post 122, on the servo arms. The elevator looks just fine, I would make sure that the rudder servo arm is the same legnth as the rudder arm and note that the servo hole position is not exactly on the servo center, so as to be the same as the geometry of the rudder hinge.
Regards
Bob

_____________________________

www.laser-design-services.com
JetMach manufacturer

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Post #: 149

RE: JETMACH - TURBINE TRAINER BUILDING - 2/15/2007 1:34 AM

339tricolore

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hello ,friends I have made a progress in the construction, I have rounded off the snout, I have mounted the servants, now begins the delicate job of covering I have begun the wing with my friend who helps me, I have made some photo in order now, ei Cel you can here see two servants for the tail is a various system from yours hello soon, Nicholas

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Post #: 150

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