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Home✈️Aircraft🚁HelicopterFuel-Helicopters New or Limited ActivityAvant › Anyone using 8.08 with YS in Avant?
11-13-2005 01:17 PM  14 years ago
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Taipan

rrElite Veteran

Sydney, Australia

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Anyone using 8.08 with YS in Avant?
Running 8.45 at 1800rpm seems to be close to limit of the engine.

Wondering if 8.08 would bring it more into its powerband while allowing more headspeed.
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11-13-2005 03:52 PM  14 years ago
mrNoodles

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Borlänge, Sweden

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How fast do you want them to spin?
I run my YS´s at 1850 on 8.45.
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11-13-2005 09:12 PM  14 years ago
rdalcanto

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Salt Lake City, UT

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I, and others I fly with, use 1900 head speed at 8.45. Runs great with SB-16FH.

Rick
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11-13-2005 10:48 PM  14 years ago
Jafa

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Sydney, Australia

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Wow, that's 16,055rpm on the engine,
YS specs say it's usable rev range is to 15,000rpm.
And it sounds a bit unloaded on 8:45 - reving very freely.

Protos | Logo 400 & 500 | Sceadu Evo | Freya Evo | Trex600N | Avant FX
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11-14-2005 04:20 AM  14 years ago
Nasscar][

rrVeteran

Delaware

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the manufactor spec will always be lower, its what helps to protect their investment.
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11-14-2005 07:57 PM  14 years ago
Garry-Boy

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Moscow, Russia

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1870rpms here.
YS with 8,45 and MP2.

Garry.
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11-15-2005 01:28 AM  14 years ago
rdalcanto

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Salt Lake City, UT

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I just switched from the MP2 to the Hatori SB16FH. At the higher rpms, I really think you get more power from the Hatori. The MP2 must be tuned for a slower speed.

Rick
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11-15-2005 07:01 AM  14 years ago
Taipan

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Sydney, Australia

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Got another question for you guys. How long are your engines lasting at those rpms??

My mate runs his YS at 8.45, 1800rpm in his Stratus & has put through 400 litres of 20% Coolpower. Only part he has changed is the piston ring!!

I find that hard to believe!
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11-15-2005 09:03 PM  14 years ago
Garry-Boy

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Moscow, Russia

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Half of the season if you fly regularly
Dust, temp and hard loads won’t let you fly any longer without power lost...

Garry.
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11-16-2005 07:35 AM  14 years ago
Taipan

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Sydney, Australia

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Perhaps if you flew in the snow it would last longer?

Yet another question, what pitch + & - are you guys running?
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11-16-2005 12:42 PM  14 years ago
Garry-Boy

rrKey Veteran

Moscow, Russia

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Stupido, stupido
+-10 or 11

Garry
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11-16-2005 01:38 PM  14 years ago
Detroit Steve

rrApprentice

Michigan

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Garry, you fly in the snow?

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11-16-2005 03:15 PM  14 years ago
Garry-Boy

rrKey Veteran

Moscow, Russia

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The last time I tied, my father almost lost an opportunity to be a grandfather...god bless underpants saved our family

Garry.
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