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Stalker 61 - model size / wing area

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Mike Quinn:
Hi

Any ideas on optimum weight and wing area for a Stalker 61 RE?

Cheers

Mike

Dave_Trible:
The Stalkers are lightweight and well designed engines,   powerful for their type.   They aren't going to be quite the powerhouse a piped RO Jett .61 or PA .61 would be but will pull similar airplanes.   I would work within a range of 620 to 670 square inches of wing area and hope to keep the weight under 64 ounces.  Most any airplane designed originally for a ST .46 back when would be well suited-just more adequately powered.  With their light weight AND low fuel load (very fuel efficient) I wouldn't worry about shortening the nose or making other changes as you might for a heavier engine.  A Shark 45 is an airplane that would be a good candidate and so a good size/weight to work from.

Dave

Mike Quinn:
Hi Dave

Thanks for the feedback.

Any recommendations on fuel, props, engine setup welcome.

Cheers

mike

Dave_Trible:

--- Quote from: Mike Quinn on April 28, 2024, 02:19:48 PM ---Hi Dave

Thanks for the feedback.

Any recommendations on fuel, props, engine setup welcome.

Cheers

mike

--- End quote ---
I don't actually have any myself so someone else will have to help with that.  Guys I fly with use them ( .51-.76 ) and like how they perform.  My observation is that you'd run these long-stroke style,  4-2 break with a 12-13" x 6 prop to start.  They will run without nitro but I believe these guys are using a small amount,  3-5%. 

Bill Hummel:
Hi Mike. If you “search” this forum (John Miller stalker) you will get lots of good Stalker info…John has really good knowledge on Stalkers, and is very willing to share! Also, Tom Dixon is the Stalker dealer in the US, can answer your questions as well.
Regards,
Bill

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