REFLECTOR: First long Cross Country

[John Dibble]

Cruise altitude depends on the weather.  On a rare SKC day I fly 
9500/10500.  On a partly cloudy day, there are bound to be cloud tops to 
13000, requiring O2 if you want to stay above the cloud bases where the 
air is far smoother.   When solid overcast, it's usually smooth air 
below the ceiling.
I'd go with the lesser advance timing, or even no advance at all until 
you determine how much advance is right for your engine.  I have one 
Rose EI on my Franklin and I had detonation damage from too much 
advance.  I ended up disabling the advance and setting the EI to the 
same advance as my mag.

John

On 6/22/2012 6:23 PM, Richard J. Gentil wrote:
> I am planning on taking my first long trip in my Normally Aspirated, Dual EI, MT, IO-390, SERG. Going from Naples, FL to Norfolk, NE. (Day VFR. Not ready to test her in IFR yet.)
>
> I figure I can make it with one stop to stretch the legs and relieve the bladder.
>
> My question is cruising altitudes. (I can take an O2 bottle if there is any good gain by going up 16,500 or 17,500).
>
> What altitudes do you find most efficient etc for a Velo.
>
> I have two timing advance curves with my E-Mag and P-Mag. I am currently using curve A as set by the factory not tried curve B yet. (I have not hooked them up at an EICAD yet.)
>
>
>
>
> I would be very interested in your recommendations.
>
> Richard
>
> Sent from my iPhone 4 Classic
>
>
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