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Lets see your ULTRA SPORTS !!!!!!!!!!!

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Old 11-14-2011, 09:03 AM
  #501  
box kite
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Default RE: Lets see your ULTRA SPORTS !!!!!!!!!!!

paladin converted his (Ultra Sport 60) to electric:
Turnagy sk3 5055-430
6s1p 5000
Dlux 70amp speed control
12x12 e prop
Vertical is unlimited
Speed is the same
Landings are better, bleed speed easier
8min to dead stick
Ultra sort whistle is really pronounced now

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Old 05-27-2014, 08:52 PM
  #502  
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I know this thread is old, but it's nice to see so many people who agree about the Ultra Sport's amazing flying characteristics. Mine was actually given to me. A blessing, as I was new to the hobby and knew nothing of how great of a model it was. I lost my first model to a crash (exceeded its structural limits in flight) and my club took sympathy on me and gave me a plane that had been donated to them earlier, the Ultra Sport 60 below. Sadly this is the only decent picture I have of it at the moment. It's not as obvious from the photo, but it needs recovering. I'll come back with a provisional scheme or two tomorrow.


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Old 05-28-2014, 03:20 AM
  #503  
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Looking forward to see what you come up with!

Bill S.
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Old 05-28-2014, 06:53 AM
  #504  
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Here's a TBT pic.. my original Ultrasport, with modified (blended) Vertical Fin (theoretically for better knife edge.... didn't work ) Flaps and (taildragger) retracts.
pic was taken at West Point, NY .. my Brother Mikey (Minnflyer) is fueling it up in this photo... at the time, he worked in the machine shop at Stewart ANGB, and I was a Flight Engineer at the same base.
man, I LOVED that airplane
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Old 09-25-2015, 01:01 PM
  #505  
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Howdy all US lovers, here is my US.60 with a ST.90 engine just finished and waiting for its maiden flight. If all goes well I plan two modifications for next season:
1) modify aft part of wing saddle..if.......!
2) smaller wheels to fit into wheel wells
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Old 09-25-2015, 04:31 PM
  #506  
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Nice colors. Let us know how it flies. What size prop do you have on it?
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Old 09-26-2015, 10:41 AM
  #507  
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Originally Posted by BelAirBob View Post
Nice colors. Let us know how it flies. What size prop do you have on it?
I will start with a 14 x 5 prop and BIG WHEELS to get good acceleration from our rather soft grass field. Retracts will have to wait until I know her habits. Will keep you posted after maiden flight.....hold your thumbs..!!
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Old 09-27-2015, 06:44 AM
  #508  
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Here's mine. That is a Fox 74 up front. Flies nicely. Still working on the CG. I think it is a bit nose heavy.
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Old 06-25-2016, 08:31 PM
  #509  
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Maiden flight was yesterday and all went well.....!! And yes, here is the promised modification of the wing saddle.....cheers/
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Old 06-25-2016, 08:54 PM
  #510  
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Originally Posted by JPMacG View Post
Here's mine. That is a Fox 74 up front. Flies nicely. Still working on the CG. I think it is a bit nose heavy.
Here is my simple tool for c.g. check...cheers/
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Old 10-09-2016, 01:12 PM
  #511  
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Originally Posted by Homebrewer View Post
I wish I could show you pictures of my US 60 that I bashed into a twin using two OS .40 FX's spinning 9x8 prop on 20% nitro. It had mechanical retracts; it was FAST and flew great.

I lost it when I had a false peak detection on my charger. Thinking it was fully charged, I lost it several minutes into its final flight. I have owned 3 US 60s in the past 12 years and each of them has met an untimely event early in their lives. The last one and final US 60 that I'll ever own lost its elevator during some spirited flying. I have an Ultra Sport curse! Never again.
Homebrewer, yesterday I was in fact contemplating transforming my US.60(see posts #505 and 509 above) into a twin(or even tri-motor) The reason is that the wheel wells and retract gear legs are not compatible with the large S.T.90 engine which would prefer a 16x6 prop to work efficiently. Well, maybe I should have realised that much earlier.....!
And today I find your post......some coincidence..!!! Please Homebrewer If you have any pics whatsoever from your US Twin, please let us see them..Thanks.!
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Old 11-23-2016, 04:39 PM
  #512  
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Originally Posted by MinnFlyer View Post
Ok, I couldn't do much in the way of lightening the nose, but I built-up the belly pan.

Should be covering soon!
I don't fly ultras but I'm gonna try this on the next sportster build I do, thanks !!
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Old 01-06-2017, 10:40 AM
  #513  
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While technically not an Ultra Sport, this Twin that I scratch built was based off the Ultra Sport 60 wing plan. I have never flown a genuine US but if it flys anything like this twin, then I wont be disappointed. This twin (US 60 size with 4" added to each wing tip) is powered by two 36 ASP engines. One engine is enough to fly around with at 3/4 throttle, as I found out when getting all the gremlins out of the airplane on the first few flights. I had to move the cockpit back a ways from the US60 position to make it look a little better in my eyes.

I have a genuine Ultra Sport on the table right now getting built and will show it off by spring. I will leave this cockpit alone just to have a little diversity in my fleet.
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Old 01-06-2017, 11:22 AM
  #514  
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That twin looks great flybyjohn!!

Did anyone notice the new Ultra Sport ARF that's available?

Ultra Sport 46 with Retracts!

http://towerhobbies.com/products/gre.../gpma1015.html
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Old 01-10-2017, 10:23 AM
  #515  
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I did just come across that and was wondering if it was a real ultra sport or something like the ultrasport plus they had a few years back.
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Old 05-27-2017, 06:57 AM
  #516  
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Originally Posted by flybyjohn View Post
While technically not an Ultra Sport, this Twin that I scratch built was based off the Ultra Sport 60 wing plan. I have never flown a genuine US but if it flys anything like this twin, then I wont be disappointed. This twin (US 60 size with 4" added to each wing tip) is powered by two 36 ASP engines. One engine is enough to fly around with at 3/4 throttle, as I found out when getting all the gremlins out of the airplane on the first few flights. I had to move the cockpit back a ways from the US60 position to make it look a little better in my eyes.

I have a genuine Ultra Sport on the table right now getting built and will show it off by spring. I will leave this cockpit alone just to have a little diversity in my fleet.
WOW...great job with that twin flybyjohn.I just love multiengines and now you have certainly sown a seed in my brain. Great colouring scheme and the rearward cockpit placement is super..!..Thanks and happy flying..!
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Old 05-30-2017, 02:52 AM
  #517  
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[img]webkit-fake-url://f9f3da1d-e8f4-46f6-a0bd-ec6d48a73303/imagejpeg[/img]
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Old 06-15-2018, 11:07 AM
  #518  
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Originally Posted by canardlover View Post
Maiden flight was yesterday and all went well.....!! And yes, here is the promised modification of the wing saddle.....cheers/
And here is the result after my friend "landed hard" without the suggested wing saddle modification....

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