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Old Mar 29, 2005, 07:47 PM
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Build Thread for the new Topaz-e (full house version):


Build Thread for the new Topaz-e (full house version):



Here’s my new unlimited F5J competition sailplane – Topaz-e ‘M’, from www.e-sailplanes.com. I consulted with Dave at e-Sailplanes as I was looking for an unlimited competition F5J ship that could take a LOT of power, yield low wing-loading for exceptional thermal qualities, and offering crow for precision landings (I need all the help I can get…).



While I considered many others, I decided on the Topaz given its history of winning and fair price-point ($795)



In the upcoming post you will see more pictures than words (my strong suit…). I’ll do my best to describe my progress, but please don’t hesitate to ask any questions you may have.



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Old Mar 29, 2005, 07:50 PM
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Here are some pictures I took this morning in the front yard.
This thing is BIG.
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Old Mar 29, 2005, 09:02 PM
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Not to steal your thunder, here is my RES Topaz-e servo installation.

Brian, an EAJ
Old Mar 29, 2005, 09:28 PM
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Hi Brian,
That's how I plan to install mine.
What holds them in? I plan on using epoxy.
It looks like a screw on the left.

Oranator

Here the servos are just taped in to check for fit.
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Old Mar 29, 2005, 10:03 PM
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Wow! That is sweet looking. Can't wait to hear a flight report.

Jason
Old Mar 29, 2005, 10:17 PM
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Oran,

Take some video...

j
Old Mar 29, 2005, 11:15 PM
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Thanks,
I will definitely take some video!! I just have to figure out how to compress it enough and still keep it looking good.

Oranator

Here are some pictures from this afternoon.
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Last edited by ORANATOR; Mar 29, 2005 at 11:17 PM. Reason: Spellin error
Old Mar 30, 2005, 01:22 AM
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Looks like a good performer I guess full-house Topaz will fall somewhere between Ava and D-box Graphite / Hybrid.

Did you weight the components?
Old Mar 30, 2005, 01:31 AM
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I did not weight the parts but I am shooting for about 65 ozs.

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Old Mar 30, 2005, 01:47 AM
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Oranator,

I did not like to mount the servos in permanently. I built up mounting blocks with G-10(fiberglass board). Two 2-56 screws secure the two servos in. The rudder servo(back) just tucked in under the rudder post.

I also added a skid in the back to brace the lower fin. It will help push rocks and stuffs away from the fin.

Brian, an EAJ
Old Mar 30, 2005, 01:50 AM
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ORanator,

Don't forget to put loctite on the rudder screws. Specially the lower one!

The pivot pins on the elevator rocker came loose on mine, took me a while o get the elevator off the rocker. I put a tiny drop of thin Cya to secure them.

Brian, an EAJ
Old Mar 30, 2005, 06:46 AM
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What power system do you plan on putting in it?
Old Mar 30, 2005, 11:35 AM
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I can see that this model is 6 Servos.... what speed control do you use? do you have external power source?


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