LOC Iris PK-25 Modification

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Valkyrie

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I have the kit assembled but it looks too short. I am planning on extending the body tube 12" with a coupler and extra section of BT. Possibly extending the NC instead and making an AV bay.

Any thoughts?
 

jd2cylman

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So I can't figure out which kit is the PK-25. My Park Flier IRIS (the 1.63" kit) is at my other home(my house. At the GF's tonight, don't ask, it's complicated...), but I do remember that it has a second tube at least 8" long. If you can wait a day, I'll measure it tomorrow.
 

Valkyrie

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So I can't figure out which kit is the PK-25. My Park Flier IRIS (the 1.63" kit) is at my other home(my house. At the GF's tonight, don't ask, it's complicated...), but I do remember that it has a second tube at least 8" long. If you can wait a day, I'll measure it tomorrow.
its the 2.1" sized rocket. 39" oal. Just looks and feels a tad stubby.
 

jd2cylman

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Oh, OK, different rocket then.
 

llickteig1

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To scale the sustainer of the Iris sounding rocket is almost exactly 20:1 (238.1”:12.0"). Is your rocket 32.5" long?
 
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