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GP Pitts flight and spinner failure

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Old 02-16-2002 | 01:21 AM
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Default GP Pitts flight and spinner failure

On the first flight of GP Pitts the spinner bracket failed. One side broke off at the base of the backplate. G38 with an 18/10 prop. Everything looked smooth and felt smooth on the ground. Prop was plenty big so excessive rpm was not a problem. No harm done so will use the old tried and proven setup nextime. Weight was exactly 15#. Servos were up front, not in the tail, and two servos on the ailerons with push rods to the upper ailerons. Trim was good with forward CG. I'll move a battery back under the servos and that should help the CG. The landing gear is not going to stand up very well and you can see it spreading out just taxing around. Will use a spring and cable to put more tension on the gear . With bigger engines this could become a real problem. Landing was easy with good float. What this plane needs is a good hot 2 cycle engine like a Moki 1.8 or 2.10. I didn't want the mess of glow fuel and a test bed for my G38s so will leave it at that for now. To bad we can't see more landing gears like whats under the Hanger nine Pizzaz.
Old 02-16-2002 | 03:26 AM
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Default GP Pitts flight and spinner failure

Did you fly it? How did it perform?? THanks.
Old 02-16-2002 | 04:44 AM
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Default Pitts

Ok Great, I just got mine. I was going to use a OS 240 in mine. or a webra bully. What do you think? To much engine? David
Old 02-16-2002 | 02:14 PM
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Default GP Pitts flight and spinner failure

what about a super tiger 3250 with a 20/10 too much or 18/8 with do you think
Old 02-17-2002 | 12:03 AM
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Default PITTS

Glad to hear the pitts flew well, i intend to pick mine up soon, so it's good news that there is potintial for an awsum plane

------------

DANG YOU DAVE , you beat me to the pitts too, i have some different ideas on power, so we should talk

regards, scott
Old 02-17-2002 | 12:46 AM
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Default Ain't it the Pitts

OUCH big buddy I would have bought two If I knew you wanted one
Old 02-18-2002 | 02:39 AM
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Default GP Pitts Landing Gear

Alsez, what is your landing gear made of? I have seen photos of the Pitts on Great Planes web site and it shows wire gear. I just received mine and it has a very nice aluminum gear already painted. Maybe it was a recent deisgn change?
Old 02-18-2002 | 02:47 AM
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Default GP Pitts flight and spinner failure

Edamm The gear on the Pitts is the standard aluminum strut. Its covered with a slab of balsa to look like the gears on the real bird. Not nearly heavy enough for a 15# plane. I strung a wire and spring arrangement on mine after a few flights and it has worked well.
Old 02-18-2002 | 11:00 AM
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Default Pitts Performance ?

Alsez; How did the Pitts fly with the G-38? I have the same set-up in mind for a future plane. Thanks in advance.......
Old 02-18-2002 | 12:58 PM
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Default GP Pitts flight and spinner failure

JBFLIER The 38 does a nice job. Plane is a little nose heavy. It does have a strange habit of showing pitch changes in level flight, something I would expect if tail heavy. Checked the incidences and thought that the problem might be lack of positive in stab but that was not the case.Both wings have positive also, usually only the top wing is positive, bottom -0-. Snaps are crisp and knife edge very good with no pulling to the top or bottom. I'm very glad I pulled in the gear with a spring. The gear is way to weak for a 15# plane.
Old 02-18-2002 | 03:42 PM
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Default Pitts

Hi Alsez: Could you email me a pic of how yo did the landing gear.
I am glad you have found all these things for us. Over all, is the CG were they ask you to put it? And do you like the plane? Anyway if you could send me a pic of the way you set up the gear
I would appreciate it. Thank you, David--------

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