Alexander Ehrnrooth
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  • Dennis Kirk

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Static thrust

Started Sep 1, 2020 0 Replies

Does anyone have any idea about the max static thrust of the 350is? Continue

 

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Dennis Kirk left a comment for Alexander Ehrnrooth
"You are pretty close with weight calculation. With the O-320 I put 20 pounds back by the tail to get a center CG. I ran Sensenich metal prop."
Oct 16, 2020
Dennis Kirk left a comment for Alexander Ehrnrooth
"Hi Alexander. The 750 makes a great float plane! I believe another engine you may like is the Viking 140 hp which would be plenty of power. I removed the leading edge slats from the wings as water TOS and landings have plenty of length. My useful wS…"
Oct 14, 2020
Alexander Ehrnrooth posted a discussion

Static thrust

Does anyone have any idea about the max static thrust of the 350is? See More
Sep 1, 2020

Profile Information

Aircraft Model
STOL CH 750
Project Status
Less than half
Building From
Partial kit
Engine installed (or plan to install)
other auto conversion
Building Experience
No Experience
Flying Experience
Private Pilot

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At 1:21pm on October 16, 2020, Dennis Kirk said…
You are pretty close with weight calculation. With the O-320 I put 20 pounds back by the tail to get a center CG. I ran Sensenich metal prop.
At 2:44pm on October 14, 2020, Dennis Kirk said…
Hi Alexander. The 750 makes a great float plane! I believe another engine you may like is the Viking 140 hp which would be plenty of power. I removed the leading edge slats from the wings as water TOS and landings have plenty of length. My useful wS just over 400 due to the engine weight. I had lightweight starter and other accessories however. The plane needed yaw stability with the floats so Rather than a central fin I made Finley’s that fit the outside I of the horizontal stab, replacing the hinge plate. My cruise averaged 100 at 2300 rpm. Zenair are great floats and I would recommend the amphibs. Talk with Michael Heinz for more info on incidence of angle of floats to aircraft centerline, this will greatly effect speed. Get it wrong and it creates lots of drag! Have fun and good luck. Dennis
 
 
 

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