pica 1/5 scale mark ix spitfire cg location? (Full Version)

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zorby -> pica 1/5 scale mark ix spitfire cg location? (2/25/2008 4:02:22 AM)

i have an old pica 1/5 spitfire..had its first flight in 1994..and only five flights since! Am keen to resurect this lovely old girl but would like to make sure the CG location is correct before its next flight.Does anyone have this info? A measurement back from the leading edge at the centre section would be very helpful.
Thanking you Pat



91zulu -> RE: pica 1/5 scale mark ix spitfire cg location? (2/25/2008 4:29:16 AM)

I think it is 4 1/2 inches .



F4u5 -> RE: pica 1/5 scale mark ix spitfire cg location? (2/25/2008 4:15:52 PM)

Use 5.5 inches from the leading edge at fuse sides. Pica plans are ALWAYS conservative for beginners. You will be fine at 5.5 inches.

Jeff



zorby -> RE: pica 1/5 scale mark ix spitfire cg location? (2/25/2008 7:58:45 PM)

OK thanks guys...that gives me a good starting point....i will try 5" and with a full tank of gas i shouldnt get into too much trouble i hope.
cheers Pat



docmayo -> RE: pica 1/5 scale mark ix spitfire cg location? (2/27/2008 2:11:11 AM)

Remember, a nose heavy plane may fly poorly, but a tail heavy plane may fly only once.

I suggest starting conservatively, then moving back if indicated. But that's just me. ;-)

Good luck!



FastPass -> RE: pica 1/5 scale mark ix spitfire cg location? (2/27/2008 5:06:55 AM)



On other forums most owners say the CG should be 4.5 inches from the leading edge measured at where the wing dowel is.





91zulu -> RE: pica 1/5 scale mark ix spitfire cg location? (2/28/2008 3:04:39 AM)

Just a warning that Spitfire will snap very hard if you try to fly it tail heavy. I had one, flew it at 4 in. and it was nose heavy. Lost it coming in to land, got a bet too slow without flaps and it snapped at the end of the runway. The landings are a bit tricky you need the flaps for sure.



F4u5 -> RE: pica 1/5 scale mark ix spitfire cg location? (2/29/2008 8:36:29 PM)

It will not be tail heavy at 5.5 inches. Look past the plans and calculate and you will see.



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