Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

Patriot XL + OS 91FX + Tuned Pipe


Old 03-17-2008, 12:46 PM
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Default Patriot XL + OS 91FX + Tuned Pipe

I am in the process of building a GP Patriot XL kit. I had a used .91FX I was going to use on it with a Macs Tuned pipe (15/.90-1.30).

1. What is a good starting lengh for the header during the tuning process?
2. What is a good prop for this plane/engine/pipe? (looking for speed)
3. What RPM range should I be aiming for?

Thank you for your help,
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