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HelicopterAvant RC Avant Aurora - Mostro › Anyone using 8.08 with YS in Avant?
11-13-2005 01:17 PM  12 years agoPost 1
Taipan

rrElite Veteran

Sydney, Australia

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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  12 years agoPost 2
mrNoodles

rrProfessor

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  12 years agoPost 3
rdalcanto

rrKey Veteran

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  12 years agoPost 4
Jafa

rrElite Veteran

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  12 years agoPost 5
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  12 years agoPost 6
Garry-Boy

rrKey Veteran

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  12 years agoPost 7
rdalcanto

rrKey Veteran

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  12 years agoPost 8
Taipan

rrElite Veteran

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  12 years agoPost 9
Garry-Boy

rrKey Veteran

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  12 years agoPost 10
Taipan

rrElite Veteran

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  12 years agoPost 11
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  12 years agoPost 12
Detroit Steve

rrApprentice

Michigan

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Garry, you fly in the snow?

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11-16-2005 03:15 PM  12 years agoPost 13
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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