More horsepower is the expensive and limited way of going faster.=

Reducing drag is the "free" way of going faster.

I have recently collected some more test information about the drag bu= cket on the 320.

With the information so far, it looks like 160K is the high end of the= drag bucket with the flaps at 7 deg. reflex.

I have not yet tried to re-rig for 10 deg reflex which should yield so= me more "free" speed at the high end. More reflex basically lowers the desi= gn coeficient of lift.

Another way to get some more speed is to reduce the wing area like Rea= r Bear but that approach is a bit more involved and will have consequences = by requiring higher landing speeds. :-(

Wolfgang

------ Original Message --------
Subject: Re: [LML] Re: In need mor= e H.P.
From: CavittP@aol.com
D= ate: Fri, September 17, 2010 6:39 am
To: lml@lancaironline.net

Thanks everyone for the input. I really appreciate your taking th= e time to answer my post. Some solid ideas for me to consider.&n= bsp;

Probably will first try to resurrect my LSE Plasma III ignition system= but this time use the case mounted flywheel sensor instead of the original= pad mounted one that seemed to be sensitive to the heat buildup in the are= a of the accessories. Will also try to relocate the computer to a mor= e forward location to keep all the leads lengths to a minimum. I've a= lways run Bendix mags.

Already use gap seals but may change cowling openings from the 235 con= figuration to the 320 style. My CHT's run quite cool, so am cert= ain there is too much cooling drag. I'm consistently = getting 180-185 KTAS (dependent on temperature) at 2700 RPM (full throttle)= at 7,500' & 8,500' MSL with my 150 HP O-320-E2D and Aymar-Demuth 62 X = 78 propeller.

With power settings for 170 KTAS, I have a range of near 1000 NM&= nbsp;(6.5 hours) with the 54 gallons of usable fuel at 8,500'-9,500' MSL (7= hours to dry tanks). Have on several occasions flown non-stop from S= an Diego to Seattle and on the way back as well (that leg was usually 5.5 -= 6 hours).

When the time comes for an overhaul will consider replacing the engine= with an O-360 or 390 and will switch to a CS prop at that time. This= is probably what I really need to do, but my engine is still running great= with very little oil consumption.

Thanks again!

Pete Cavitt - N320PL
619-701-0784 Cell
www.petecavitt.com
<= /DIV>