Building 2 Balsa USA Nieuport 28
12-05-2007, 07:58 AM
#28
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RE: Building 2 Balsa USA Nieuport 28
Got my Balsa USA Nieuport 28 finished and shall be posting pics shortly. Basically a six-month project, as I completed several 'honey-do's' throughout the summer.
No matter how weight-conscience I try to be in building R/C models, I always seem to approach that critical weight. Of course all the scale 'goodies' didn't help.
She weighs 16 lbs. dry; however, I added 6 oz. of lead shot to the cowling to achieve the balance point indicated on the plans.
R/C Report's example weighed @ 18.25 lbs. and flew very well, so I'm keeping my fingers crossed.
NICK
No matter how weight-conscience I try to be in building R/C models, I always seem to approach that critical weight. Of course all the scale 'goodies' didn't help.
She weighs 16 lbs. dry; however, I added 6 oz. of lead shot to the cowling to achieve the balance point indicated on the plans.
R/C Report's example weighed @ 18.25 lbs. and flew very well, so I'm keeping my fingers crossed.
NICK
12-16-2007, 12:25 AM
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RE: Building 2 Balsa USA Nieuport 28
Completed weight 16.5 lbs.
Saito 170 R-3
Painted with PPG basecoats & flat
All graphics hand-painted
Still not test flown; waiting for the S. Florida wings to lie-down.
Saito 170 R-3
Painted with PPG basecoats & flat
All graphics hand-painted
Still not test flown; waiting for the S. Florida wings to lie-down.
03-26-2014, 04:55 AM
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Thank you for your reply
If I understand correctly: You leave the wings incidence as is done on the plane and you lower the rear stabilizer for the aircraft flies with the high tail.
That offers this constructor you think it good?
He put 1.55°.
Thanks
Arnaud
05-02-2014, 12:55 PM
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I've planned to put a moki 180 so it has a lot of torque 2 degrees right will be good
But 2 degree down seems to be too much ???
Your plane has 2 degree down and he don't go down when you put gas ?
Thanks very much for so valuable informations.
Arnaud
But 2 degree down seems to be too much ???
Your plane has 2 degree down and he don't go down when you put gas ?
Thanks very much for so valuable informations.
Arnaud
01-04-2023, 10:34 PM
#44
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BUSA 1/4 Nieuport.
Wow, fantastic R101. Very nice work indeed!
Mine weighs @ exactly 7 lbs. without engine and cowling, so we're right in the same ballpark.
I see you have your 'N' and cabane struts done. Did you carefully check the incidence levels? Initially I did not, as instructed at the beginning of the manual - BIG mistake.
I purchased two incidence meters (laser and needle-type) and spent over 20 hours with the alignments, fabricating new struts and basically confirming everything is true.
With the fuselage absolutely level, my initial readings were 3 degrees positive on the lower and 3.5 on the upper. Spec's call for 0 degrees lower and 1.5 - 2 degrees upper. In addition, the mounting deck for the horizontal platform measured 1 degree Negative!
So, I literally discarded the N-struts and built new ones with 5/32" music wire and brass tangs. To correct the cabanes, I simply shimmed them with ply - 1/8" aft and 1/32" fwd.
The fuselage required 1/8" removed from the rear saddle.
The horizontal stab deck required a tapered 1/8" shim (fwd.) to give me exactly 1.75 degrees of positive incidence on the H-stab. Measurements are now exactly as plans indicate, except for the positive incidence in the H-stab.
So, how much time do you have invested? What is your target weight with the electric power system? I'm shooting for 15.5-16 lbs. with that Saito, SolarTex, latex paint.
This week, I'll be cutting the ailerons out, hinging and installing the wing servo trays.
NICK
Mine weighs @ exactly 7 lbs. without engine and cowling, so we're right in the same ballpark.
I see you have your 'N' and cabane struts done. Did you carefully check the incidence levels? Initially I did not, as instructed at the beginning of the manual - BIG mistake.
I purchased two incidence meters (laser and needle-type) and spent over 20 hours with the alignments, fabricating new struts and basically confirming everything is true.
With the fuselage absolutely level, my initial readings were 3 degrees positive on the lower and 3.5 on the upper. Spec's call for 0 degrees lower and 1.5 - 2 degrees upper. In addition, the mounting deck for the horizontal platform measured 1 degree Negative!
So, I literally discarded the N-struts and built new ones with 5/32" music wire and brass tangs. To correct the cabanes, I simply shimmed them with ply - 1/8" aft and 1/32" fwd.
The fuselage required 1/8" removed from the rear saddle.
The horizontal stab deck required a tapered 1/8" shim (fwd.) to give me exactly 1.75 degrees of positive incidence on the H-stab. Measurements are now exactly as plans indicate, except for the positive incidence in the H-stab.
So, how much time do you have invested? What is your target weight with the electric power system? I'm shooting for 15.5-16 lbs. with that Saito, SolarTex, latex paint.
This week, I'll be cutting the ailerons out, hinging and installing the wing servo trays.
NICK
I am very unhappy with the sound and will be replacing the G26 with an OS 160 4 stroke twin .
