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guillows, curtiss p-40 warhawk free flight Empty guillows, curtiss p-40 warhawk free flight

Post  mitchg95 on Mon Feb 20, 2012 9:45 pm

hello, i got the guillows p40 today its in the 400 series, i am going to build it as a free flight model, it suggests a cox peewee .020 which i have. i was wondering if at 28" inch wingspan is this enough motor for this airplane, and also since this is going to be my first free flight airplane what should i do to get it to perform the way it should?
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Post  Cribbs74 on Mon Feb 20, 2012 11:08 pm

Mitch,

The pee wee will fly it. Besides it's free flight how far do you want to walk?

Just kidding,trim it to do wide circles at a slow steady climb.

That kit is big enough to go RC with should you change your mind down the road.

Have Fun!
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Post  mitchg95 on Mon Feb 20, 2012 11:32 pm

cribbs74 wrote:Mitch,

The pee wee will fly it. Besides it's free flight how far do you want to walk?

Just kidding,trim it to do wide circles at a slow steady climb.

That kit is big enough to go RC with should you change your mind down the road.

Have Fun!

cool thank you for the tip, im glad to know that the peewee will fly it, ill trim it to do wide circles and a steady climb, what should i off set the rudder and elevator to?
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Post  mitchg95 on Tue Feb 21, 2012 2:09 pm

well, i got the wing done, the glue is drying as we speek, when it is done drying i can finally do my least favorite part of building model airplanes... sanding No. then for my favorite part, covering with tissue supplied with the kit, but i might choose to use my silkspan covering that i got from a lhs, for about 5$ for a 18x36'' sheet
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Post  proctor on Tue Feb 21, 2012 3:41 pm

If it's your first free flight mode you might consider finding someone
who has done a bit of free flight trimming/flying to assist.
Trust me it's not quite as easy as 'Just get it to fly in wide circles
under low power'
Suggest you get it flying with rc and trim it then to fly a nice left hand
circle and right glide when motor cuts.
You adjust the power phase by increasing right thrust to get the size
of left hand circle you want, (engine torque will make it want to turn
sharply to left) and down thrust to prevent power stall.
This is not a free flight forum so I will shut up now.
John
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Post  mitchg95 on Tue Feb 21, 2012 8:30 pm

proctor wrote:If it's your first free flight mode you might consider finding someone
who has done a bit of free flight trimming/flying to assist.
Trust me it's not quite as easy as 'Just get it to fly in wide circles
under low power'
Suggest you get it flying with rc and trim it then to fly a nice left hand
circle and right glide when motor cuts.
You adjust the power phase by increasing right thrust to get the size
of left hand circle you want, (engine torque will make it want to turn
sharply to left) and down thrust to prevent power stall.
This is not a free flight forum so I will shut up now.
John

cool thanks, i know a couple of free flight guys, but if i do convert it to rc can i use the same peewee engine?
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Post  Cribbs74 on Tue Feb 21, 2012 9:29 pm

Maybe, depends on how much it weighs when finished and loaded. Could possibly use an .049 but, maybe a TD .020. Would work
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Post  mitchg95 on Tue Feb 21, 2012 11:13 pm

cribbs74 wrote:Maybe, depends on how much it weighs when finished and loaded. Could possibly use an .049 but, maybe a TD .020. Would work

how much weight can a peewee pull before i have to go to a bigger engine
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Post  nitroairplane on Wed Feb 22, 2012 1:39 am

Depends on wing are 11oz should fly but it won't be pretty!
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Post  Kim on Wed Feb 22, 2012 4:12 am

proctor wrote:
This is not a free flight forum so I will shut up now.
John

This forum covers a pretty wide chunk of the whole hobby, and this IS a thread about freeflight, so please feel free to list your tips/stories. I'm enjoying the info !
Kim
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Post  mitchg95 on Wed Feb 22, 2012 8:44 am

Kim wrote:
proctor wrote:
This is not a free flight forum so I will shut up now.
John

This forum covers a pretty wide chunk of the whole hobby, and this IS a thread about freeflight, so please feel free to list your tips/stories. I'm enjoying the info !

+1, please feel free to continue, it can help people like me understand free flight and other aspects of the hobby a little more
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Post  dankar04 on Wed Feb 22, 2012 10:07 am

Low wing FF plane is not best choice for first FF model. Many trim issues but yes it will fly. BMJR sells the Midwest Sniffer a great little FF for PeeWee .020. P-40 would be better with 2 ch RC unit. One FF trick is to tilt stab a little to provide turn as model flys. Good luck with project.
Dan
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Post  mitchg95 on Wed Feb 22, 2012 10:41 am

dankar04 wrote:Low wing FF plane is not best choice for first FF model. Many trim issues but yes it will fly. BMJR sells the Midwest Sniffer a great little FF for PeeWee .020. P-40 would be better with 2 ch RC unit. One FF trick is to tilt stab a little to provide turn as model flys. Good luck with project.
Dan

thanks Dan, i have not built the tail surfaces yet, i am probably going to do single channel remote control as the plans show
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Post  dankar04 on Wed Feb 22, 2012 12:09 pm

Sounds good /best with project.
Dan
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Post  proctor on Wed Feb 22, 2012 12:28 pm

Hi Mitch,
I agree with Dan 2 ch is the way to go, you will be very glad
you have elevator specially immediately after hand launch.
I would be surprised if a converted rubber model of 28" span
weighs more than 8 -10oz. I would use the pee wee and if you
want a whole lot more zip put a TD 0.02 in it. You will never
need more than the TD, 400 watts in a 10oz model you will
have a little rocket ship.
Don't want to put you off free flight though and best tip I can
give you is (a) buy the model Dan recommended and (b) buy
Don Ross's,' Flying Models' Book 2 and study it between sorties
with the warbird. Would it be precocious of me to say that free flight
is the ultimate modelling experience??? Have fun! John
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Post  nitroairplane on Wed Feb 22, 2012 12:30 pm

For
Your first ff
Fuel powered model I highly recommend the Vic smeed tomboy and Mills 0.75cc
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Post  mitchg95 on Wed Feb 22, 2012 1:29 pm

nitroairplane wrote:For
Your first ff
Fuel powered model I highly recommend the Vic smeed tomboy and Mills 0.75cc

cool ill have to keep my eyes out for one of those, i've seen those before and they look awesome!!!
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