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Extreme Flight 87" Yak 54 - Build & Fly

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Extreme Flight 87" Yak 54 - Build & Fly

Old 10-05-2005, 07:25 PM
  #6101  
jrjohn
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

My DA blew a crank pin on a saturday, I sent it via DHL next day on Monday, I had the engine back on that wednesday! Ran perfect. I'm totally sold on DA

john
Old 10-06-2005, 05:08 PM
  #6102  
rcrick
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Has anyone used the new Hitec Servo HS 6985 Digital servos with Karbonite gears in place of the HS 5945 servos ?

THANKS,

Rick
Old 10-06-2005, 05:12 PM
  #6103  
flat spin
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

I rate those servos very highyl and after a year and a half of heavy use on my 68 they exhibit no slop whatsoever but i would not use them on the 87. Karbonite may hold out for the power of the servo but throw a bit more in and i reckon they will crack. JMO
Old 10-06-2005, 05:17 PM
  #6104  
rcrick
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Thanks,

I just found out that Hitec does not recommend the Karbonite geared servos for gas powered models.

Rick
Old 10-07-2005, 05:41 AM
  #6105  
Fastlif
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Canopy latches are working great on mine Josey. I have one on each side of the canopy in the back. Whats the latest word on new shipments? anything? I mean, what are we going to talk about next year here? Come on Chris, give us some feedback. I am starting to think the boat will never come in...
Old 10-07-2005, 07:28 AM
  #6106  
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Chris posted on the Profile Brotherhood website a couple days ago concerning this issue... He stated that he is setting up his own factory in Malaysia to build the EF line of airframes... No time frame on when things will be up and running... He did say that he is going to re-launch EF after the first of the year... Like the old saying goes, when you want something done right, do it yourself...
Old 10-07-2005, 08:45 AM
  #6107  
EXTREME FLIGHT
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Well it's time to make the trip across the north pole to the land of ARFs once again. My father and I are leaving early Sunday morning for China. We will be over there for 2 weeks. We will try to light a fire under our manufacturer concerning the 87" Yaks. We are also scheduled to visit 4 other factories. I hope to return home on the 24th with some good news.
As Torqued-Up mentioned, we are in the process of starting our own factory in Malaysia. As you can imagine this is quite an undertaking and will require me to spend a lot of time in Malaysia over the next several months. But I believe this is the only way to accomplish what I set out to do in the first place: Provide the best performing, highest quality, ARF aerobatic aircraft available.
There will be no one in our offices during the 2 weeks we are in China. For this I apologize. However my father will man the helm during my exteneded stay in Malaysia. Please bear with us as we gear up to provide you, our valued customers, with an unlimited supply of the best ARF aircraft available.
Old 10-07-2005, 09:15 AM
  #6108  
cadconversions
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Great news Chris! Looking forward to some more designs coming as well!
Old 10-07-2005, 09:17 AM
  #6109  
jrjohn
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Sounds good Chris, I'm sure you will sell everything you can build. I know I'll take another

John
Old 10-07-2005, 09:23 AM
  #6110  
bpryor
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Good luck Chris. Thanks for communicating with everyone, it's important. I am not a current owner of your products(but I am of your design - sorry), but I admire the quality of your products and commitment to customer satisfaction, and definitely will be a customer of yours in the future.
Old 10-07-2005, 11:15 AM
  #6111  
Josey Wales
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Thanks Fastlif...

Thats good news Chris..I was fortunate enough to come across a NIB Yak that Im just starting to put together..Good to know there will be more of them coming and NEW designs as well!
Old 10-08-2005, 12:55 PM
  #6112  
morecashthansense
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Hi all,

I Have at last received the carb hopefully it will prove to be the answer to all my problems......

Anyway put it on and set needels to factory and ran it.. well it does seem to run a lot better however I still have a very rough transition tried leaning bottom end till it wouldnt run up richened slightly and have a very rough spot in the transition. I think I would like to try and post a vid just of this to see if anyone else has this possible issue or any advise could be forthcoming. Anyone know the easiest way to post a vid or what format size ect.......

many thanks
Old 10-08-2005, 04:37 PM
  #6113  
JWilliams
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Yeah, I know Chris has some new designs. Especially since I sent him one of my planes to take over there. However, he has new stuff that will be just as good as this Yak.
Jeff Williams
Old 10-10-2005, 09:39 AM
  #6114  
rick at work
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Has anyone built a battery tray to extend forward off of the engine box over the engine to get the CG in proper range ? Any photos or ideas ?

Rick

Old 10-10-2005, 10:01 AM
  #6115  
Josey Wales
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

.
Old 10-10-2005, 12:58 PM
  #6116  
stomper
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly


ORIGINAL: rick at work

Has anyone built a battery tray to extend forward off of the engine box over the engine to get the CG in proper range ? Any photos or ideas ?

Rick

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Old 10-11-2005, 04:38 PM
  #6117  
Josey Wales
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Has anyone found it necessary to reinforce the elevator servo mounts in the stabs?
Old 10-11-2005, 05:10 PM
  #6118  
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly


ORIGINAL: Josey Wales

Has anyone found it necessary to reinforce the elevator servo mounts in the stabs?
I have not heard of anyone having to do that.
Jeff W.
Old 10-11-2005, 05:20 PM
  #6119  
Josey Wales
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Ok good..Im just starting to put them together and wonderedif I need to reinforce anything there..thanks
Old 10-11-2005, 07:30 PM
  #6120  
rcrick
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Stomper,

Looks good that is what I had I mind . Thanks for the photos !


Rick
Old 10-12-2005, 11:35 AM
  #6121  
NE0
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Has anyone found it necessary to reinforce the elevator servo mounts in the stabs?
I haven't heard of an issue there either, but I would reinforce the rudder servo tray. Maudib's ripped loose fairly quickly, so we both just added some tri-stock where it mounts to the fuse. I also added one little ply stringer straight down from it to the pipe tunnel. 5 minutes to do, easy and no problems since. Also, make sure you don't forget to harden the wood with thin CA wherever any servo screws go, that goes a long way to adding strength.

Tom
Old 10-12-2005, 06:16 PM
  #6122  
BasinBum
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

I think this thread has more pages than airplanes delivered.
Old 10-12-2005, 06:25 PM
  #6123  
coche
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Here we go again! [sm=tired.gif]
Old 10-12-2005, 06:37 PM
  #6124  
Josey Wales
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Thanks guys..What about glue for the control horns? Anyone tried Gorilla Glue? I used that in the hinges and I like how it foams up..
Old 10-13-2005, 03:11 AM
  #6125  
flat spin
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Default RE: Extreme Flight 87" Yak 54 - Build & Fly

Yes Basinbum, once again your intellect has allowed you to make a very astute observation which we all greatly appreciate. Give yourself a big pat on the head.

I have no doubt that pattern will continue when the shipment arrives be that 500 or a 1000

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