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Heli Wholesaler . 3D Heli Depot . JR-Spektrum

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Scale Model RC Helicopters > A119 KOALA
 
 
jaycab
Senior Heliman
Location: The Magic City

I see your point however I don't compete in scale events
I do like the scale looks flying low & slow.I do admit I
like the idea of installing the t/r on the left.
Will see...

Jaycab
07-31-2008 09:31 PM
 
 
Rbush
Key Veteran
Location: The sheep factory, Wales

Flipping the tail rotor over is no big deal, just do it, it's easy to do, wont harm the flying and is right for most full size.

That was a silly place to put the ground !
07-31-2008 09:48 PM
 
 
jaycab
Senior Heliman
Location: The Magic City

Do I need to reverse the servo,gyro besides the blades?
Any reason why the servo has to be mounted on top of boom?
can it be set on the other side of boom?
"suggestions please"

Jaycab
07-31-2008 11:22 PM
 
 
Rbush
Key Veteran
Location: The sheep factory, Wales

You will need to mount the servo no top because the tail belcrank will now be on top. You may well need to reverse the servo and gyro?

That was a silly place to put the ground !
07-31-2008 11:26 PM
 
 
jaycab
Senior Heliman
Location: The Magic City

I see it, had to draw a mental pix
Thanks for the advise

Jaycab
07-31-2008 11:29 PM
 
 
craig anderson
Senior Heliman
Location: New Zealand

Well my A119 is well on to being built, I have to say the quality, finish of the model and general arrangement of how the mechanics go into the fuse are not good as I expected and probably not as good a finsh as the funkey fuselarges. I'm not that convinced on how the wooden base attachs with 8 screws. All other scales I have attempted have been glued. The tailplane's did not go together that well. The holes drilled in the tailplanes were oversize for the 3mm grub screws and when they went into the fuse they were not square with the fin. So I ended up drilling all the holes out to 5.5mm and inserting a 6mm carbon spar through the fuse. This has made the whole tail alot more rigid. I did read the MHW review for the TT A119 and it did mention that the tailplanes did flutter a bit so I hope this will fix that problem.
I have also turned the tailrotor over to the left hand side. This worked out ok. There seems to be enough room for the rod to sit on the top of the boom as apposed to the bottom.
I downloaded a 3-view drawing of the helicopter and worked out that the landing gear crosstubes needed a plug of 20mm to give it a more scale look. I cut the crosstubes in half in the middle and made up 2x 20mm extensions to fit between the 2 cut crosstube halfs. I machined up dowels to insert into the extension and crosstube and have epoxied these together. It looks alot better like this. Also the fullsize has steps on the crosstubes. I used Raptor skid tubes and plastic ends for this.I have also had the fuse repainted in the local rescue machine colour scheme I am trying to copy. I will post photo's just as I get it together. I must say though it's a good looking helicopter I'm sure they look it in the air.

Craig
08-08-2008 10:58 AM
 
 
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Scale Model RC Helicopters > A119 KOALA
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