OS 1.60 FX props

[edbon85 at optonline.net]

I'm sure you could get Dave Lockhart to repitch an APC 15.75x13 3 blade to a 15.75 x11 or 12 for you. Many of us in the northeast  are using Dave's 15.75x11 on OS140RX'es with great success.
Ed M.

----- Original Message -----
From: Xavier Mouraux <xavier.mouraux at sympatico.ca>
Date: Sunday, January 25, 2004 1:35 am
Subject: Re: OS 1.60 FX props

> Hello Robert,
> 
> I understand your concerns as they were mine also for a long time. 
> I always thought the OS would not look right in the Hydeout. 
> However, after seeing Eric's reports, I start looking into it. 
> Other reasons are that I already have the OS in a Nova that I 
> don't fly anymore and I want more power than the YS120AC in my 
> Hydeout to fly FAI.
> 
> I compared the complete engine-header-pipe-prop combo for my 
> YS140L, YS120AC, OS160FX and ST2300 for weight and performance. 
> The extra weight of the OS setup over the 120AC I was flying in 
> 2003 is only 1oz or less than 1% of the plane's weight. The power 
> available is more around 20-25% more. I also plan on moving some 
> equipment in the plane to eliminate the tail weight I had and the 
> overall weight may be the same as last year. The wing loading is 
> only 3% more than with the 140L setup, and only .8% over the 
> 120AC. I may have to fly half throttle most of the time to avoid 
> going to orbit, but there will be plenty of power for the humpty 
> bump with 3 half roll. The fuel consumption is higher but I was 
> always landing with too much fuel left in the tank anyway. Other 
> good point is that it will run on 10-15%.
> 
> All this make me believe it would work. My last concern is about 
> ground clearance and the 3 blade maybe a solution. I will recheck 
> the clearance. Maybe that larger wheels would be enough.
> 
> Thanks for the info.
> 
> Thanks to the others who answered about the prop, the voltage 
> tester and the old planes. I knew I would get the info I needed.
> 
> Xavier
>  ----- Original Message ----- 
>  From: RUDDERCABL at aol.com 
>  To: discussion at nsrca.org 
>  Sent: Saturday, January 24, 2004 10:25 AM
>  Subject: Re: OS 1.60 FX props
> 
> 
>  In a message dated 1/23/2004 7:49:56 PM Eastern Standard Time, 
> xavier.mouraux at sympatico.ca writes:
>    What 3 blades prop would work on that motor ?
>    I am looking at installing a 160FX in my Hydeout but the 
> ground clearance maybe a problem. The plane would be around 9.7lbs.
> 
>  To answer your question, the APC 15x13W and 15.75x13 will work 
> well on your 1.60FX. Bob Pastorello loaned me a Bolly 16x10 to try 
> a few years ago, and it also worked well. 
>  However, that sleek and light plane will be a rocketship. 
> 
>  Now I have a question. Why would you want to shoehorn a brute of 
> an engine like the 
>  1.60FX into the tight engine bay of a Hydeout ?
> 
>  Robert
> 

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