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GP Super Skybolt .60 electric conversion - step by step

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Old 11-03-2011, 03:50 PM
  #1  
lekemp
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Default GP Super Skybolt .60 electric conversion - step by step

Hello guys.
I'll start putting together a kit of an ARF model that I bought about three months.
Super Skybolt biplane is the Great Planes .60.
The kit was purchased in Espritmodels and reached 100%
It cost U.S. $ 400.00 with shipping and tax paid. Still came out much cheaper than if purchased here.




Some pictures of the model:










Data model:
Wingspan: 145cm
Length: 134cm
Wing Area: 924 sq in (60 dm2)
Flight Weight: 3490 g
Wing Loading: 19.2 oz / sq ft (59 g/dm2)
Requires: 2-stroke .60 -. 75 cu in (10-13 cc) or 4-stroke .70 -. 91 cu in (11.5-15 cc), 4-channel radio w / 5 servos.

Electronics that I use:
Motor: E-max BL 4030/10
Propeller: 13x6 Master Screw
Speed ​​control: 85A Turnigy
Servos: Futaba S3010
Battery: 6S 5000mAh 20/30C
Final weight: 4700g

The difficulty I'm having so far is how to change the battery because the canopy does not open.
I found some on the net electrical Vercoe where the battery goes behind the fairing, but the battery that I use is great and so will be impossible.
Remove the wing to replace the battery would not be as complicated as the mounting system is very simple, yet is also out of the question.
Use only a battery and recharging aircraft in no way. hehe
The best way I found so far would be to cut the canopy, but the fuselage structure will also be cut and would have to make some reinforcements later.
I would like to help me think of some solution to this issue.
Thanks

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Old 11-03-2011, 03:51 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

As I only bought Heico 13x6 and was afraid that the engine would get weak I decided to do some bench testing.







The battery was fully charged.

Data:
V.............RPM..........A............W......... Kg.........Km/h........Stick acelerador
23..........7900.........25..........560.......3,1 .........78,3................100%
23..........5900.........10..........250.......1,6 .........58,4.................75%
23..........4500........4,5..........120.......0,9 .........44,6.................50%

It seems that will be an economic asset.
With full engine would give a 12 min flight. It would be great.
If the model fly well with 75% of engine will give a 30 minute flight. A lot.
Motor speed and do not heat anything. It is all very normal.
I was surprised with the performance and horsepower.

Compared to my Tucano with petrol engine that weighs about 4.5 kg and has flown very well with 13x6 running at 8400rpm, which gives about 3.5 pounds of thrust, I believe it will be good for this model which will weigh nearly 1 kg less.
What do you think?

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Old 11-03-2011, 03:52 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Removing the box:

Box inside another box inside out. All well protected.







I started by assembling all power train.
I thought it best to begin with due to the fact that part of the fuselage to be without the set of tail. So it would be easier to work. It really was because I needed to support the fuselage on the ground to make some adjustments.

I measured the distance between the fire wall and exit the cowling in order to cut the dowels I used to make the engine mounts.
As the manual was given almost 1cm apart. The engine would be too forward.
Unfortunately, the camera crashed and I lost the pictures of the cut billet.
To make the drill holes used for wood and then went with their BRCA widening.
I left the hole up more just and the other three looser in order to have as adjust the position after spending the epoxy glue.

With the support rods screwed into the engine passed the glue and the engine fitted to the fuselage fairing put the spinner secured with tape and to fine tune the distance from the spinner before drying total:






Hitting the motor position.




Now just wait a while to dry.

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Old 11-03-2011, 03:53 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Earlier today I made new tests with the battery charged and other blades:







Propeller 13x6 master screw wood for electrical:
V.............RPM..........A............W......... Kg.........Km/h........Stick acelerador
25..........8300.........28..........700.......2,0 .........76,0................100%
25..........6100.........10..........280.......1,1 .........56,0.................75%
25..........4590...........5..........130.......0, 6.........42,5.................50%


Propeller 16x6 master Screw k-series to glow:
V.............RPM..........A............W......... Kg.........Km/h........Stick acelerador
25..........8000.........33..........800........3, 6.........72,9..............100%
25..........6200.........15..........380........2, 1.........56,0...............75%
25..........4500...........6..........163........1 ,1.........41,0...............50%


Propeller 16x6 xoar wooden glow:
V.............RPM..........A............W......... Kg.........Km/h........Stick acelerador
25..........7500.........40..........950........3, 1.........68,0...............100%
25..........5700.........18..........430........1, 8.........52,0................75%
25..........4100...........8..........186........0 ,9.........37,0................50%
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Old 11-03-2011, 03:54 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Now that the engine is already in place did the drilling of fairing:





I managed to solve the problem of entry to the battery.
I put the battery positioned next to the model and saw that you could put it down between the cowling and landing gear.






Soon will start to make cuts in the fuselage ...
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Old 11-03-2011, 03:56 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Today I made the cut for the entrance of the battery.
Then I put some foam and Velcro battery is securely attached. Before that must complete the assembly of the model to see the correct position of the CG.










Some pictures with the battery inside the model:











Now just finish the assembly and set the CG and then secure the battery in place.
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Old 11-03-2011, 03:57 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Earlier today I took my day off to continue the work.
I think that next holiday nov/02 aero do the maiden flight.

Identifying the nuts, bolts and washers. This is bam chatinho to do, but much easier at the time of assembly.



Adjusting the caps of the compartments of the servants with a hot iron:


After fixing the servants in the lids of the compartments had to give in a lixadinha Madeirinha where servants are arrested because they were getting at the bottom of the wing. Once this is done by connecting the servos center electronics:


Preparing to run wires and close servants of compartments:




After passing the wires placed in magazines and the servants made ​​holes to hold the covers:






Servos of the wing ok:


The kit does not have cut the hinges. Comes a large piece of fabric. The manual has the correct dimensions for cutting.

Before positioning the hinges made ​​holes in the wing and ailerons for better penetration of the CA as the manual suggests.



Preparing to glue the hinges:


Pins to keep the hinges centered:


Drip 3 drops of CA on each one. Is tight:


Linking the servants wing without mysteries.
Just fix the horns, bend wire and lock the aileron. Very simple and practical. Wings ready to be attached:



Woods fixed wing.


I had to make an adjustment, it fits into one of the wings was not perfect:


Pasting the woods on one side of the wing:


Soon after I glue the other side and joined the two parts. I removed the excess glue with paper and alcohol. Then tighten, hold the two parts with tape and used some clamps to hold the wings in position until the curing of the adhesive:




While the wing dries I'll take to prepare the wing up and start moving in the fuselage.
Post new pictures soon ...

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Old 11-03-2011, 03:58 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Continuing ...

While the wing was drying I took down the wing to paste from above.

Preparing the wing:



Making holes in the wing and ailerons for penetration of CA


Fabric hinge for full ready to be cut:


Hinges cut


Ailerons bonded with 3 drops of CA on each hinge:


Preparing to glue the two parts of the wing up.
Wooden dowel, anti rotation pin and the metal where the handle is fixed to the fuselage:



I had to make an adjustment because the metal is not fitting perfectly. Ok:


Pasting the pieces with epoxy 30 min:


After holding the two parts glued with adhesive tape.




Now just waiting to dry ...
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Old 11-03-2011, 03:59 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

While the wings were drying I used to give an advance on the fuselage. Servants, landing gear, rudder and elevator.

Putting the servants in positions:



Making the markings for the holes:


Making holes:






Servos ok:


Preparing for linking elevator and rudder:




Making bending wire.


Cutting the wire remains:




Linking ok:
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Old 11-03-2011, 04:00 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Securing the landing gear:




By placing the axes:






Making a beveled lip for the wheel did not budge:


Moving average lock threads:




Placing the wheel in position:




Landing gear ok:


Preparing to mount the tail wheel:


By sticking to the screen with a hot iron:


Attaching the plastic bushing where the tail wheel will be fitted:




Marking the position of mounting holes for the tail wheel retainer:


Just mark the position to not have the danger of dust:




Making the second hole:


Fixing the seal of tail whell:


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Old 11-03-2011, 04:02 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Cutting the screen to place the horizontal stabilizer:




I gave a finish with a hot iron:


Marking horizontal and vertical stabilizers to cut the screen:




Making the cuts with a hot iron on stabilizers:












It's getting expensive airplane. hehe


Checking the fittings before pasting:


Pasting horizontal and vertical stabilizers 30 min epoxy.
After I put the pieces in place removed the excess glue with a cloth moistened with alcohol:









Preparing the mounting brackets of the upper wing:






Making holes in the screen with hot iron:


Finish with lime:








Securing the support. The manual recommends using thread locking medium:


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Old 11-03-2011, 04:04 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

New tests only for the Wattmeter and balance:

13x6 master screw wood for electric:
A............W.........Kg.........Km/h........Stick acelerador
25..........???.......2,0.........????............ ....100%

13x8 3 blades Master screw:
A............W.........Kg.........Km/h........Stick acelerador
27..........???.......2,8.........????............ ....100%

14x7 JxF:
A............W.........Kg.........Km/h........Stick acelerador
27..........???.......2,9.........????............ ....100%

14x7 3 blades Master screw:
A............W.........Kg.........Km/h........Stick acelerador
30..........???.......3,2.........????............ ....100%

15x7 3 blades Master screw:
A............W.........Kg.........Km/h........Stick acelerador
40..........???.......4,0.........????................100%

16x6 Master screw:
A............W.........Kg.........Km/h........Stick acelerador
33..........???.......3,6.........????............ ....100%

Conclusion:
Outside the prop master screw of wood that had a bad relationship x power consumption, all others had an interesting relationship:
Apromimadamente 100g / A
I'll do some flights to 15x7 tripod that was what got stronger.

Previous tests:

13x6 master screw wood for electric:
V.............RPM..........A............W......... Kg.........Km/h........Stick acelerador
25..........8300.........28..........700.......2,0 .........76,0................100%
25..........6100.........10..........280.......1,1 .........56,0.................75%
25..........4590...........5..........130.......0, 6.........42,5.................50%


16x6 master screw k-series to glow:
V.............RPM..........A............W......... Kg.........Km/h........Stick acelerador
25..........8000.........33..........800........3, 6.........72,9..............100%
25..........6200.........15..........380........2, 1.........56,0...............75%
25..........4500...........6..........163........1 ,1.........41,0...............50%


16x6 xoar wood to glow:
V.............RPM..........A............W......... Kg.........Km/h........Stick acelerador
25..........7500.........40..........950........3, 1.........68,0...............100%
25..........5700.........18..........430........1, 8.........52,0................75%
25..........4100...........8..........186........0 ,9.........37,0................50%
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Old 11-03-2011, 04:05 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Continuing the work ...

Stabilizers attached.

Próximmo passo: Colar as dobradiças de leme e profundor.

Making the holes for the CA penetrates the piece:


Attaching the hinges:


Pins to keep the hinges centered:


All ready for the CA:


Rudder and elevator ok:


Next up:

Putting the horns to the rudder and elevator linking:



Marking the location of bolt holes:




Linking ok


Completing the establishment of the steerable rudder:




Linking ok. Preparing to put the receiver:


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Old 11-03-2011, 04:06 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Making the hole for the power switch:




Putting the engine in place:






By sticking to the screen from the bottom of the wing passage of the screws:


Cap that aids in fixing the wing:


Wires attached to the receiver:




Ready to close the fuselage with the wing from below:






I put the wooden propeller and spinner just to see the appearance of the airport.
The first flights will be made ​​without the spine and other prop:







Now I'll just paint the inside of the cockpit in black. Then I put the pilot.
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Old 11-03-2011, 04:07 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Preparing to put the amount of wing:


Cutting the screen:




Giving finishing with a hot iron:


Hole for passage of the screw:


Anti Rotation Pins:


Fixing screws:


Applying strong lock threads. This screw is fixed in amount:


Amounts ready:


Amount stuck on the wing underside. Just put in position and screw the screw:


Wing up in the final position. One of the threads on the wing gave up trabalho.Não know if it was something that was hindering the droppings grip. In the end everything worked out:


Pressing the parafusos.Achei complicadinha this part as well, because the location is bad and the key was not married to the screw. I had to give a limada in an allen wrench to adjust the extent of the screw.
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Old 11-03-2011, 04:11 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Soon I will post new pictures ...
Attached Images  
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Old 11-03-2011, 05:20 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Excelente !!! excelente!!! , excelente !!!!
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Old 11-04-2011, 02:12 AM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Cara, nao deveria ter postado em um forum brasileiro? Ou postado em ingles?

Man, shouldn't this be posted in a brazilian forum? Or posted in english?

Muito bem montado o aero.

Looks good
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Old 11-04-2011, 03:11 AM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Attempting to link the ailerons to the wing top and bottom:


Making cuts horns according to the manual:




Marking the positions for the holes with 6 mm horn of the trailing edge according to the manual:


[img]http://img526.imageshack.us/img526/9351/dsc00438tv.jpg/img]

Making holes:




Repeating the process on the up wing:


With the clevis horns caught in fixed wing and made up to double marking the wire:


Cutting the wire remains:


Ailerons linked:


Cockpit ready for the pilot:


Preparing to cut the stickers. I took the panel to paste:




Putting the gaiters:






Tape to lock the battery:




Positioning the canopy to the mounting holes:


Making holes:






Putting stickers:

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Old 11-04-2011, 07:34 AM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Battery in place:


Battery for receiver:




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Old 11-04-2011, 07:50 AM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Ready for the maiden flight:













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Old 11-04-2011, 02:11 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Ok so i looked up the spanish way to say excellent ;-). that is a real nice build there. This is one of the best looking bipes made. nice build hope to see some video .
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Old 11-04-2011, 02:42 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Very cool! I wish you a successful maiden and hope to see some video once you start having fun with it. Thanks for sharing all the pictures.
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Old 11-04-2011, 02:55 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step

Putting the car:


Tomorrow I'll make the first flight and then immediately make a video.

I'm translating slowly.
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Old 11-04-2011, 03:00 PM
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Default RE: GP Super Skybolt .60 electric conversion - step by step


ORIGINAL: lrglnman

Ok so i looked up the spanish way to say excellent ;-). that is a real nice build there. This is one of the best looking bipes made. nice build hope to see some video .
LOL! that is portuguese man! From Brazil!

Comom mistake
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