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Old 03-10-2008, 12:20 AM   #5
Stu_D
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Join Date: Jan 2006
Location: Australia
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Default Re: 3.0M CARF YAK 55SP

I have clocked almost 22 hours of air time with my Yak 3.0 and almost all of it has
been Advanced IMAC . As for things to say about the air frame there's not
much to tell . I had to decrease the right thrust with some 1.6mm (16G)washers
and the engine is moved forward with 50mm (2 inch)stand off's . up/down thrust
is stock and so is every thing else .

I also fly with no mixes but if I was going to put it in I would be looking at about
1% of up ele to top rudder in both directions and 1% of down ele to low throttle .
I think that both these small problems could be easily be fixed with some up thrust
and a re trim of the plane .

I dont like using mixes as i have got myself into trimming problems in the past and have also found that all mixes create their own hassles so I prefer to know the
problems I have and deal with them as they come into play .

I did have a problem with the plane being nose heavy and not presenting the break
in a snap very well . I added 120 grams the the tail and the problem was fixed .

As for comparing the 3.0 Yak to the 260 its a bit of an ask but i will have a go .
The 260 is a lot faster and presents (breaks) the snaps a bit cleaner than the Yak .
The yak rolls A LOT better than the 260 and its speed controll is much more
constant than the 260 . The 260 is a missile with the 150 and I think the Yak is
more suited to a 170 class of engine .

Thats about all I know about the 3.0 260 as I have only flown it twice
I tell you when faced with a choice between the two air frames I went for the
Yak ,

Stu
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Last edited by Stu_D; 03-10-2008 at 05:49 AM.
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