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Dave Patrick (Cermark) Ultimate 40 CG and Throws

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Old 06-05-2005 | 11:33 PM
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Default Dave Patrick (Cermark) Ultimate 40 CG and Throws

Does anyone know the CG and control surface throws for the Dave Patrick Ultimate 40? I bought the repackaged Cermark version and I can't find the info in the manual anywhere. The throws, CG and flying tips must be on the back cover, which seems to be omitted by Cermark.
Old 06-06-2005 | 09:48 PM
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Default RE: Dave Patrick (Cermark) Ultimate 40 CG and Throws

It was in an addendum, separate from the instruction manual.

Anyway,
CG is 3/8 to 3/4 Inch in front of the front of the rear wing cabane
Throws

Up/down, and R/L

Aileron 3/16" Hi 1/4"
Elevator 3/4" Hi 1"
Rudder 1.5" Hi 2"


Old 06-06-2005 | 11:49 PM
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Default RE: Dave Patrick (Cermark) Ultimate 40 CG and Throws

Thank you Jerry.

I don't seem to have the addendum. It didn't come with the DP stickers either, just the "Ultimate" lettering which was taped to the outside of the box.

I have what I need now.

Thanks!
Old 06-07-2005 | 06:34 PM
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Default RE: Dave Patrick (Cermark) Ultimate 40 CG and Throws

Keep us informed on how it flies. I would love to have 1.20 size, but I prefer something smaller for transportation reasons.

Old 06-07-2005 | 06:45 PM
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Default RE: Dave Patrick (Cermark) Ultimate 40 CG and Throws

I broke in the Magnum and I just finished putting it together. If the weather is good I will test fly it on Saturday.
Old 06-07-2005 | 07:20 PM
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Default RE: Dave Patrick (Cermark) Ultimate 40 CG and Throws

Good luck. Hope you have some great weather. I figure the biggest hassle on a bipe is setup and with 40 size I could leave it assembled!
Old 06-07-2005 | 11:10 PM
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Default RE: Dave Patrick (Cermark) Ultimate 40 CG and Throws

I will tell you this. Its one great little Bipe. Mine is powered by an AXI 4130-16 on 6s3p spinning a 17x10 prop. Can you say HOVER.
Old 06-08-2005 | 12:38 AM
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Default RE: Dave Patrick (Cermark) Ultimate 40 CG and Throws

Yeah, it's nice not having to take a plane apart, especially a bipe which usually has about 12 bolts to assemble the wings. My Bulldog Pitts (scratch built from my own plans) is the same size and I don't have to take it apart to transport. I've attached a pic. I also have a little Ultimate from my own plans, but with a 25" span and a Norvel .061 for power it makes the DP Ultimate 40 seeem big!
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Old 06-09-2005 | 05:23 PM
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Default RE: Dave Patrick (Cermark) Ultimate 40 CG and Throws

Bipe Flyer
That Bulldog is one sharp plane!
Old 06-11-2005 | 08:09 PM
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Default RE: Dave Patrick (Cermark) Ultimate 40 CG and Throws

Thanks,

It was overcast with very blustery wind today, but I put in a couple of flights and it is a really nice flying plane. Rolls are very axial, knife edge flight requires very little rudder, snaps are quick withouth over-rotation and it lands easy - even in the wind. I'm running a Magnum .70 on 10% Omega and it easily climbs vertical out of sight.
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