1/3rd scale Pitts S2A rebuild - Page 2 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 07-16-2019, 01:41 PM   #11
Trumpetman
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Re: 1/3rd scale Pitts S2A rebuild


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Iím kind of doing this for the same reason. The family had to sell a pretty extensive collection of model aircraft (including this one) because of dementia. This plane was built but apparently never flown. I thought it deserved a chance of being an airplane!
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Old 07-17-2019, 10:23 AM   #12
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Re: 1/3rd scale Pitts S2A rebuild

I finished stripping the fuselage. The rudder was about 1/4” too short and an 1/8” thinner than the vertical fin so I’ve decided to build a new one. I cut the flat hinges off with a hot knife (they will be replaced with Robart HD hinge pins). I cut the pattern to laminate the trailing edge now. I’ll probably rip some bass into 1/2” by 1/16” strips to laminate the bow.
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Old 08-07-2019, 01:32 AM   #13
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Re: 1/3rd scale Pitts S2A rebuild

Donít you hate it when work interferes with your hobbies! I finally got back into the shop and glued up the basswood strips to form the trailing edge of the rudder. The strips were soaked in an ammonia Windex bath for a few minutes and clamped on the form until they were dry. A couple of days later I glued the pre-shaped strips and clamped them back on the form to dry. I also cut the mold for the elevators since one was quite warped and neither was really built the way I would feel comfortable with.
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Old 08-07-2019, 08:11 AM   #14
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Re: 1/3rd scale Pitts S2A rebuild

looks good , I like your template idea .
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Old 08-07-2019, 09:00 AM   #15
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Re: 1/3rd scale Pitts S2A rebuild

I know when you put it back together all the hardware and electronics will be up to date but you haven't mentioned anything about the engine. I have owned and flown two 1/3 scale Pitts and I used a 3.2 Brisson in both and it was more than ample power for scale flight. That twin is more power and weight than needed I bet a lighter engine would improve overall performance greatly.

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Old 08-07-2019, 10:52 AM   #16
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Re: 1/3rd scale Pitts S2A rebuild

Hi Dennis, I would agree that a 80cc twin might be more than what is needed but after flying IMAC planes with DA200ís Iím kind of spoiled
I like to putt around at scale speed and then be able to pin it and do a few vertical upline snaps!
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Old 08-07-2019, 07:33 PM   #17
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Re: 1/3rd scale Pitts S2A rebuild

Just wonder how the extra wing loading is going to affect the flight characteristics. Mine at 13/14 lbs was pretty nimble and had lots of vertical though not unlimited. I loved to hang it on the prop with smoke on at full throttle then watch it slowly slide back through the smoke. LOL

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