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Other Manufacturer => General Heli Support => Topic started by: topangler on April 10, 2015, 08:07:07 PM

Title: N7 - OS105 Flight times?
Post by: topangler on April 10, 2015, 08:07:07 PM

Hello All,

Just a quick question for those running the OS105 HZR.
What flight times are you getting?

I am running 22% nitro.

Just curious.

Thanks Neil

Title: Re: N7 - OS105 Flight times?
Post by: Chris Sexton on April 10, 2015, 08:43:02 PM

There are a ton of variables of course, but depending on the tune, weight of electronics and head speed. 6 solid minutes easy. I get 7 with my big air sport style.

Title: Re: N7 - OS105 Flight times?
Post by: Rodney Kirstine on April 10, 2015, 09:18:58 PM

I get about 7 minutes, on average, as well.

Title: Re: N7 - OS105 Flight times?
Post by: topangler on April 11, 2015, 12:08:55 AM

Thanks guys,

I'm at the final break in/tuning stage and getting 5mins, I'm hoping once fully on tune I'll be getting closer to 6mins.

Title: Re: N7 - OS105 Flight times?
Post by: Mark Dean on April 11, 2015, 07:50:04 AM

My N7 weighs 11 lbs RTF with the OS 105hz-r running 30%.   I'm turning 1950 on the head and I average 6 minutes on hard 3d flight and 7 minutes of smooth aerobatics with a few autos.

Mark


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Title: Re: N7 - OS105 Flight times?
Post by: Ben Kerr on April 21, 2015, 11:22:30 PM

Like everyone else I get a consistent six minutes of hard 3D. While practicing autos I have doubled that time. If your only getting 5 minutes your running really rich even for break in, you need to get some heat into it.

Title: Re: N7 - OS105 Flight times?
Post by: Mike Dipalo on April 22, 2015, 05:51:47 PM

5min sounds like it's vomiting fuel out the exahaust.

When I borrowed a friend's 105HZR, I got about 6~7min tuned depending on the flight. Mind you this was with the correct size needle seat. The engine with the over bored seat would actually cut out in flight if I used "mfg suggested" settings.

Later with a 120SRX, that figure dropped about 10s average.

Both engines ran 15%CP "YS" blend (more oil), and Rotor Rage 22.5.

Title: Re: N7 - OS105 Flight times?
Post by: Rob Cherry on April 25, 2015, 09:03:42 PM

Any updates Neil?

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