The Fliton Inspire F3A rebuild

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25 Jun 2013 23:59 - 26 Jun 2013 00:01 #16 by Quorneng
Replied by Quorneng on topic The Fliton Inspire F3A rebuild
BB
Why side mounted?
Surely it would almost fit within the fuselage contours if it was inverted.
Last edit: 26 Jun 2013 00:01 by Quorneng.

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26 Jun 2013 06:03 #17 by THE BLACKBIRD
Replied by THE BLACKBIRD on topic The Fliton Inspire F3A rebuild
Seemed a good idea at the time i wanted the exaust under the fuslarge,, but i think you are right if it flys ok then i will get a new cowl and invert the engine when i recover the whole model.

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26 Jun 2013 16:30 #18 by Klipkopwildlife
Replied by Klipkopwildlife on topic The Fliton Inspire F3A rebuild
What size is that tank BB? I must say, a comparison of the numbers tells a tale. :)

Do it now, you may never get another chance

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26 Jun 2013 17:40 #19 by THE BLACKBIRD
Replied by THE BLACKBIRD on topic The Fliton Inspire F3A rebuild
Hi Klipy the tank is 550cc it is what i had to hand so ill see how long it runs for and if need be change it when i recover the plane,
The numbers were suprising, i had been thinking on getting a IC F3A model for practiceing as the electric was not to long a run, long enough in terms of competition but not practice
The electric motor burnt out, its welded itself solid,
I turned the Saito motor upside down today Quorneng and it fits inside the cowl but i could not get the exhaust out the bottom it needs a 50mm exstention pipe to clear, dont know if they make one
It sticks out the side with a lot of carving of the fire wall
I took some pics but the girl has took my camera again :angry: :angry:
Thanks: Klipkopwildlife, blue123

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27 Jun 2013 08:51 - 27 Jun 2013 08:59 #20 by THE BLACKBIRD
Replied by THE BLACKBIRD on topic The Fliton Inspire F3A rebuild
Got my camera back so here's some pics









But now i have a BIG AIR HOLE the other side where i cut for the side mounted engine

and where parts of the crumpled cowl fell out
Must have had my brains somewhere else to have mounted it sideways :silly: :silly: :silly:
Last edit: 27 Jun 2013 08:59 by .
Thanks: Klipkopwildlife, Dean M, old fart

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27 Jun 2013 08:59 #21 by Ex-Member
Replied by Ex-Member on topic The Fliton Inspire F3A rebuild
looks a lot better that way round BB.

sometimes we get an idea fixed in our heads and cannot see any other way of doing things.

cut a bit of plastic to fill the big hole sir.

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27 Jun 2013 11:52 #22 by Klipkopwildlife
Replied by Klipkopwildlife on topic The Fliton Inspire F3A rebuild
If you can you might want to move that tank back so that the centre is on the CoG! Otherwise the CoG is going to move backwards as the fuel runs down. The fuel is going to weigh about 400grams. You will probably be able to correct the CoG by putting the RX battery between the engine and tank.

Do it now, you may never get another chance

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27 Jun 2013 12:16 #23 by THE BLACKBIRD
Replied by THE BLACKBIRD on topic The Fliton Inspire F3A rebuild
I thought all nitro tanks were in front fo the CoG, to keep the tank as close to the engine as posible
On my SU27 the tanks are in front of the CoG and it holds 4.8 Lts :blink:

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27 Jun 2013 18:39 #24 by Klipkopwildlife
Replied by Klipkopwildlife on topic The Fliton Inspire F3A rebuild
Sorry BB, as far as I'm concerned a moving CoG is a no no, and 400grams in a 4kilo model is plenty. As long as you pressurise the tank from the silencer nipple you shouldn't have any feed problems. Remember to adjust the mixture with the model held vertical.

Do it now, you may never get another chance

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27 Jun 2013 19:05 #25 by THE BLACKBIRD
Replied by THE BLACKBIRD on topic The Fliton Inspire F3A rebuild
There was a beutiful aeroplane called Inspire F3A

But it fell from the sky and is now an ugly duckling





It also now needs 160g of weight as well as the battery on the firewall to balance it with the tank in the forward position :( :( :(
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Thanks: Klipkopwildlife, Dean M, blue123

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27 Jun 2013 19:07 #26 by Ex-Member
Replied by Ex-Member on topic The Fliton Inspire F3A rebuild
looks distinctive at least.
as long as it flies ok, the looks don't matter.
great repair job, i would have thrown it away if it was mine.

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27 Jun 2013 19:51 #27 by THE BLACKBIRD
Replied by THE BLACKBIRD on topic The Fliton Inspire F3A rebuild
If i can get rest of the season out of it then next winter i will strip it and recover with a few other mods
Thanks: blue123

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28 Jun 2013 11:32 #28 by Klipkopwildlife
Replied by Klipkopwildlife on topic The Fliton Inspire F3A rebuild
You could try moving those servos from the tail to the cockpit area, that should make a huge difference.

Do it now, you may never get another chance

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28 Jun 2013 12:18 #29 by THE BLACKBIRD
Replied by THE BLACKBIRD on topic The Fliton Inspire F3A rebuild
I think the servos were designed like that to keep the pushrods short for no play or flexing,
I will go tomorrow and try it with everything as i have put it together i am at this moment fixing the the weight above the engine so that should help to keep a little more weight down
we will see how it flys :unsure: :unsure: but i have to find a prop first, not easy here,
But the sun is wonderful :P :P :P
Thanks: Klipkopwildlife, Dean M, blue123

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28 Jun 2013 20:01 #30 by Dean M
Replied by Dean M on topic The Fliton Inspire F3A rebuild
Great repair job Blackbird, who cares what it looks like so long as it flys and you enjoy it, anyway we all now what happend to the ugly duckling in the end!!
Dean

Somebody called me 'pretentious' the other day.

I nearly choked on my latte.

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