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Calling Dave Bigelow

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jindoguy(at)gmail.com
Guest

Posted: Thu May 17, 2007 3:21 pm Post subject: Calling Dave Bigelow

Dave, How is the HKS coming along? What kind of CHT and EGT readings are you getting at cruise RPM?

Still sorting mine and just wanted to compare notes. I can't seem to keep CHT's under 300 in the 4200 to 4500 RPM band, but they're just fine at full throttle. I have been slowly dialing out prop pitch to bring climb RPM up, but haven't seen any improvement in cruise temps yet. Tomorrow I'll be calling the factory to ask about raising the jet needle one notch if this last adjustment doesn't get it. 



Rick

-- 

Rick Girard

"Ya'll drop on in"

takes on a whole new meaning

when you live at the airport.  [quote][b]

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Dave Bigelow

Joined: 29 Jan 2006
Posts: 103
Location: Kamuela, Hawaii

Posted: Fri May 18, 2007 12:02 am Post subject: Re: Calling Dave Bigelow

Rick,



I'm very happy with how my HKS is running.  I set up the prop pitch so that with full throttle, I get 6,200 RPM at climb speed of 45-50 mph.  I pull the power back to the 5,800 RPM maximum continuous limit shortly after takeoff.  



I was originally having problems with EGT going over the 1400 degree F limit at mid-range RPM.  I raised the jet needles one notch, and that cured the problem.  I rarely see EGT over 1350.  CHT seems to run just below 300 degrees most of the time.



I was finally able to obtain 89 octane ethanol free gas, and am mixing that with 100 octane AVgas at 3:1.  It's running quite well on that mixture.  I'm coming up on the first oil change soon.  So far, the installation has been nice and solid with nothing showing any sign of shaking loose.



I'm planning a flight tomorrow morning along the high cliffs and deep valleys of the northeast coast of Hawaii Island.  There's no place to land besides the water if the engine quits, but my trust level of the engine is pretty high.  I will wear a life vest just in case.

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_________________
Dave Bigelow
Kamuela, Hawaii
FS2, HKS 700E

jindoguy(at)gmail.com
Guest

Posted: Fri May 18, 2007 4:54 am Post subject: Calling Dave Bigelow

Thanks, Dave, good to hear. I still haven't achieved 6200 RPM on climb out, but I'm closing in on it. I'll raise the jet needles and see if that gets the CHT's down.

After attending Rotax classes at Sun n Fun I decided to switch from Mobil 1 Synthetic to Mobil 1 Racing 4T for the anti-shearing additves to protect the gearbox. Still full synthetic, but designed for motorcycle engines with shared oil for the engine and gearbox. The only drawback is that it is only available in 10W-40 weight. Here on the plains, it'll help with those hot summer days, but it might be a bit thick for the rest of the year. 

Have fun flying, stay safe. Take pictures and make the rest of us jealous. 



Rick



On 5/18/07, Dave Bigelow < up_country(at)hotmail.com (up_country(at)hotmail.com)> wrote:[quote]--> Kolb-List message posted by: "Dave Bigelow" < up_country(at)hotmail.com (up_country(at)hotmail.com)>



Rick,



I'm very happy with how my HKS is running.  I set up the prop pitch so that with full throttle, I get 6,200 RPM at climb speed of 45-50 mph.  I pull the power back to the 5,800 RPM maximum continuous limit shortly after takeoff. 



I was originally having problems with EGT going over the 1400 degree F limit at mid-range RPM.  I raised the jet needles one notch, and that cured the problem.  I rarely see EGT over 1350.  CHT seems to run just below 300 degrees most of the time. 



I was finally able to obtain 89 octane ethanol free gas, and am mixing that with 100 octane AVgas at 3:1.  It's running quite well on that mixture.  I'm coming up on the first oil change soon.  So far, the installation has been nice and solid with nothing showing any sign of shaking loose. 



I'm planning a flight tomorrow morning along the high cliffs and deep valleys of the northeast coast of Hawaii Island.  There's no place to land besides the water if the engine quits, but my trust level of the engine is pretty high.  I will wear a life vest just in case. 



--------

Dave Bigelow

Kamuela, Hawaii

FS2, HKS 700E





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http://forums.matronics.com/viewtopic.php?p=113530#113530 

when you live at the airport.  [quote][b]

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