PIREP on DA40 Supercharged Performance

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waynemcc999
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PIREP on DA40 Supercharged Performance

Post by waynemcc999 » Mon Aug 12, 2019 1:12 pm

First and foremost I'd like to express my gratitude to Brock for being the trail blazer and alpha/beta test site for this "game changer" upgrade for our aircraft... and to Rod and Ian at Forced Aeromotive (FA) for developing this fine product.

I've started to collect some metrics on the Climb Rate and Cruise performance on my aircraft... in the case of Climb Rate (IMHO, the most important purpose of the supercharger) versus POH numbers... and for Cruise, I fortunately had been collecting data for the past several years.

Here's an initial PIREP on Supercharged Performance of my DA40:
https://docs.google.com/document/d/1FVP ... sp=sharing

Thus far I'm quite impressed with the quality and performance of this important product.
Best regards,
Wayne
Wayne McClelland
PPL/IR, 2008 Diamond Star DA40-XLS Supercharged 40.922, KSBA
Photo logs of PilotsNPaws | Flying Doctors | Angel Flight | Cuba | Colombia
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AlexanderBingham
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Re: PIREP on DA40 Supercharged Performance

Post by AlexanderBingham » Mon Aug 12, 2019 2:21 pm

Thank you! This looks very promising.
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pietromarx
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Re: PIREP on DA40 Supercharged Performance

Post by pietromarx » Mon Aug 12, 2019 4:53 pm

This is really useful -- thank you. What do you think the EIS contributes to the numbers, if anything?
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BRS
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Re: PIREP on DA40 Supercharged Performance

Post by BRS » Mon Aug 12, 2019 5:04 pm

pietromarx wrote:
Mon Aug 12, 2019 4:53 pm
This is really useful -- thank you. What do you think the EIS contributes to the numbers, if anything?
The original test plane has the Electroair EIS. That being said, you might ask Electroair about the timing advance map. I suspect that above 24" there is no advance above the Mag. So the advantage of the Electroair is the same in both supercharged and non-supercharged. It helps with LOP operation and increases engine efficiency in lower power settings. As well as better starts.
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waynemcc999
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Re: PIREP on DA40 Supercharged Performance

Post by waynemcc999 » Mon Aug 12, 2019 5:23 pm

Peter, I agree with Brock on the EIS... easier hot starts; more efficient LOP; slight improvement (a few knots?) in TAS at high DA.
Wayne
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Photo logs of PilotsNPaws | Flying Doctors | Angel Flight | Cuba | Colombia
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AndrewM
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Re: PIREP on DA40 Supercharged Performance

Post by AndrewM » Mon Aug 12, 2019 8:44 pm

Wayne, thanks for posting the update!

Just out of curiosity, what is your typical "mission"?
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waynemcc999
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Re: PIREP on DA40 Supercharged Performance

Post by waynemcc999 » Mon Aug 12, 2019 9:24 pm

AndrewM wrote:
Mon Aug 12, 2019 8:44 pm
Just out of curiosity, what is your typical "mission"?
Andrew, I fly primarily throughout the US West, so most all trips involve flying over high terrain and/or climbing out of high density altitude airports, with the aircraft loaded at or near max gross with passengers and/or rescue animals. A typical day (on a day trip or part of a multi-day adventure) would involve say 3 legs, totaling 6-to-10 hours/day in the air. Over the past 4 years I've averaged 410 total hours/year in my DA40.

Here's a Savvy "report card" of the usage profile and performance of my DA40 compared to 123 other "cohort" DA40s over that time period.

Wayne
Wayne McClelland
PPL/IR, 2008 Diamond Star DA40-XLS Supercharged 40.922, KSBA
Photo logs of PilotsNPaws | Flying Doctors | Angel Flight | Cuba | Colombia
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