Motor Costs Comparison

[Bill Glaze]

My 1.40 FZ's all seem to run at 14 minutes for about 18 oz.. give or 
take.   the L takes just a little bit more.  Using 15% fuel.  Bill Glaze

John Pavlick wrote:

> Bob,
>  Interesting comparison. Some people will always favor the 4-stroke 
> because they have a different feel but it's interesting to see the 
> fuel consumption. I was worried about this. Up to now the biggest 
> motor I have been flying is an OS .61 Long Stroke. It eats fuel at a 
> pretty good rate. >From what you're showing, it looks like the 1.60 
> will actually get better mileage. I'm assuming this is because you 
> don't need to fly it at full throttle all the time. I'm surprised at 
> the big difference between the 1.60 and the YS. My small 4-strokes 
> (.40 - .46) get much better mileage than their 2-stroke equivalents. I 
> have an Enya .46 4-stroke in an Ace 4-40 that flies well over 10 
> minutes on a 6oz. tank whereas a .40 2-stroke would need at least an 
> 8oz. tank. If you can get 8 minutes out of less than 7oz. of fuel with 
> the 1.60, you must be doing something right. It looks like I should be 
> happy with my new motor next season...
>
> John Pavlick
> http://www.idseng.com <http://www.idseng.com/>
>  
>
>     -----Original Message-----
>     From: discussion-request at nsrca.org
>     [mailto:discussion-request at nsrca.org]On Behalf Of Bob Pastorello
>     Sent: Wednesday, September 15, 2004 10:28 PM
>     To: NSRCA
>     Subject: Motor Costs Comparison
>
>     Had some questions from the last contest, so decided to do a
>     little spreadsheet.  Just comparing operation of the YS 1.40 DZ to
>     the OS 1.60  (performance being roughly equal, according to
>     feedback I've received from observers of my setup).
>         Not starting some battle;  just providing some information
>     that some may find helpful.
>     http://www.rcaerobats.net/MotorCostComparison.htm
>
>     Bob Pastorello
>     rcaerobob at cox.net <mailto:rcaerobob at cox.net>
>     www.rcaerobats.net <http://www.rcaerobats.net>
>      
>      
>
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