YS 140 problem

[Daniel J. Hamlett]

Yup,  I've got a sport.

Bob Kane wrote:

>Do the fuel and pressure lines both connect to the
>front of the engine on top of the regulator? If so, it
>is the Sport. If the pressure tap are on the bottom
>rear of the backplate, it is an L or FZ. 
>
>You are getting excellent power. . .   is the engine
>hard-mounted or in a stand? 
>
>--- "Daniel J. Hamlett" <d77hamlett at comcast.net>
>wrote:
>
>  
>
>>How exactly should I be able to tell ???
>>
>>Randy wrote:
>>
>>    
>>
>>>U sure U got a 140 Sport there Mate?
>>>
>>>    ----- Original Message -----
>>>    *From:* Daniel J. Hamlett
>>>      
>>>
>><mailto:d77hamlett at comcast.net>
>>    
>>
>>>    *To:* discussion at nsrca.org
>>>      
>>>
>><mailto:discussion at nsrca.org>
>>    
>>
>>>    *Sent:* Saturday, July 16, 2005 10:22 AM
>>>    *Subject:* Re: YS 140 problem
>>>
>>>    I am getting 8400-8450.  That is why I thought
>>>      
>>>
>>that I was ok on
>>    
>>
>>>    the size.
>>>
>>>    John Ferrell wrote:
>>>
>>>      
>>>
>>>>    My two cents worth....
>>>>    That is the first time I have heard of that
>>>>        
>>>>
>>much prop on a Sport
>>    
>>
>>>>    140. It is way too much prop for break in of
>>>>        
>>>>
>>a new engine. I
>>    
>>
>>>>    don't know if there is any damage due to that
>>>>        
>>>>
>>load. I use about
>>    
>>
>>>>    40 ounces of fuel on tat engine to break it
>>>>        
>>>>
>>in with a 15-10 prop
>>    
>>
>>>>    at about 8200 rpm.
>>>>     
>>>>    I feel the bigger prop will generate more
>>>>        
>>>>
>>heat and will need more
>>    
>>
>>>>    latitude for mixture control than the YS
>>>>        
>>>>
>>system provides. When
>>    
>>
>>>>    more prop than a 15-12 or 16-10 is used on a
>>>>        
>>>>
>>YS 140 engine (not
>>    
>>
>>>>    DZ!) more nitro is needed. There is more
>>>>        
>>>>
>>oxygen available in the
>>    
>>
>>>>    higher nitro fuel so you have a wider needle
>>>>        
>>>>
>>available.
>>    
>>
>>>>     
>>>>    BTW, what is the max rpm you get out of a
>>>>        
>>>>
>>17-10 with 20% fuel?
>>    
>>
>>>>     
>>>>    John Ferrell   
>>>>    http://DixieNC.US
>>>>
>>>>        ----- Original Message -----
>>>>        *From:* Daniel J. Hamlett
>>>>        
>>>>
>><mailto:d77hamlett at comcast.net>
>>    
>>
>>>>        *To:* discussion at nsrca.org
>>>>        
>>>>
>><mailto:discussion at nsrca.org>
>>    
>>
>>>>        *Sent:* Thursday, July 14, 2005 10:06 PM
>>>>        *Subject:* Re: YS 140 problem
>>>>
>>>>        The engine is a sport.  It has less than
>>>>        
>>>>
>>40oz through it.  I
>>    
>>
>>>>        am running  the 1.40, NHP 5/8th header
>>>>        
>>>>
>>and ES carbon 5/8th
>>    
>>
>>>>        inlet pipe.  Sorry I forgot to add this
>>>>        
>>>>
>>on the original post.
>>    
>>
>>>>        Bob Kane wrote:
>>>>
>>>>        
>>>>
>>>>>Which 140?  FZ, L, DZ, Sport?  I assume it must
>>>>>          
>>>>>
>>be a
>>    
>>
>>>>>DZ swinging a 17X10?
>>>>>
>>>>>     
>>>>>
>>>>>          
>>>>>
>
>
>Bob Kane
>getterflash at yahoo.com
>
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