Need some Focus II help

[Ed White]

You do this without breaking apart the engine box. 
There is no need to do so.  You just notch the box to
change the thrust line.  When you say "Don's write-up"
are you refering to the RCU, Focus II by the numbers
thread?  On page 2, it has a diagram in it that makes
it pretty clear how to do this.  

http://www.rcuniverse.com/forum/m_1431697/mpage_2/key_/tm.htm

I did not increase downthrust on mine and am pretty
happy with it.  I did increase the right thrust as
shown and if I had it to do over would have increased
the right thrust even a bit more, probably double the
additional.

Ed


--- "William C. Harden" <flyinbill1 at bellsouth.net>
wrote:

> I need some help with the engine box assembly for
> the Focus II with
> respect to adding more right engine thrust.
>  
> I have read Don Szczur's write up in modifying the
> engine box to add
> additional right thrust and some down thrust.  But,
> he didn't say
> anything about breaking apart the already assembled
> (parts glued
> together) engine box.  
>  
> For those of you who have made this modification,
> did you disassemble
> the box, make the mods and then reassemble (keeps
> everything aligned if
> you do), or did you make the mods with the box
> assembled and simply
> install the modified box into the fuselage?  
>  
> It seems that the engine box firewall will shift in
> position inside the
> fuselage cowling area if the box was not
> disassembled first and then
> reassembled such that the desired amount of engine
> thrust is built in at
> the firewall.   It is a matter of building in the
> desired amount of
> engine thrust at the engine box firewall, or
> changing the location of
> the firewall by shifting the box inside the cowling
> area such that the
> firewall has the desired amount of engine thrust.
>  
> So, what is the recommended procedure??  
>  
> Bill
> 


		
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