Quest #2

[Bill Glaze]

Setting trim:  Good idea, Eric.  Simple, easy, foolproof.  Bill Glaze

Henderson,Eric wrote:

> With a balmy 54F in NJ today, I took my second Quest to lunch with me!!!
>  
> The YS 1.10 was given a quick break-in on the ground and then the 
> plane was flown. Nothing spectacular to report. The plane flew well. 
> Still needs a little more right thrust. Even running very rich the 
> 1.10 would pull the plane straight up with the "break-in" APC 14 x 11. 
> The engine has YS Engine Performance Specialties 90 degree header and 
> muffler. I use an Hatori black rubber diverter to keep the oil away 
> from the bottom of the fuselage. With this set-up you can keep 
> everything inside the cowl.
>  
> The plane weighs 9 lb 2.2 oz and feels very light on the sticks.
>  
> I did two long flights and went home satisfied that the YS1.10 will be 
> killer once it is run in. It was very friendly from the outset and ran 
> well even when set rich. I will run the 14 x 12 and the 14 x 13 when 
> it is full broken in.
>  
> A comment on CG. I have had more e-mails on this subject than any 
> other aspect of the plane. The plane calls for 165 mm from the LE. I 
> ran my 1.40 version at 175 mm and it still carried a little up-trim. 
> The latest plane was set a 170 mm and now carries more up trim than 
> the first one. I shall move the CG back on both of them to see if it 
> has any adverse affects and to advise on what is a sensible rearward CG.
>  
> As it stand 175 mm (~6-3/4") works just fine.
>  
> One trimming tip. After you land you often find that you have beeped 
> in a few % of trim here and there. If you like keeping your main trims 
> at zero% you will most likely the electronic sub-trim or mechanical 
> pushrod adjustment. It is hard to reproduce the desired trim by eye or 
> feel.
>  
> A neat trick is to use two pins. Put one pin sticking straight out of 
> the TE of the aileron. Then position a second pin sticking out of the 
> TE of the wing. Line the pins up. Then take out the stick trim-setting 
> and re-align the control surface pins with the sub-trim or turnbuckle 
> or whatever.
>  
> You can be very accurate with this and it is also very easy to do 
> in field conditions.
>  
> Regards,
>
> Eric.

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