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Royal 45 Conversion to Stunt

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Royal 45 Conversion to Stunt

Old 12-28-2006, 08:41 PM
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miltwood
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Default Royal 45 Conversion to Stunt

Has anyone had any experience in converting a R/C Royal .45 to control line stunt? I have heard that the only modification is a venturi and needle value. If true, what venturi sizes and needle valve combinations work?
Old 12-29-2006, 07:30 PM
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scott17
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Default RE: Royal 45 Conversion to Stunt

I have one I did years ago after my first attempt at RC flight without adult supervision resulted in a broken exhaust flange on the motor. I just made an insert for a venturi and used a K&B(?) spraybar and needle. It actually runs really strong and has lasted longer than I thought it would!
Old 12-30-2006, 11:52 AM
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miltwood
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Default RE: Royal 45 Conversion to Stunt

Thanks Scott17. Do you remember the dimensions of the venturi?

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