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35% Cessna 185 Skywagon from Tmmy with Auto Pilot

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Old 06-07-2013, 05:51 AM
  #1
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Default 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Hello Fellows,

We have a new project with the 35% Cessna 185 from Tmmy.

Project 35% Cessna 185 Skywagon from Tmmy with Auto Pilot.

Definition of the project:

The purpose of this project is to make delivery's off goods with a RC model aircraft and with a ground control station. The aircraft gone have a autopilot with autonomous takeoff and landing system.

• Scale 1/3
• Wingspan approx. 4.00 meters (157.5 inches)
• Wing area 1.097 square meters (1700 square inches)
• Weight Ready to take off: 21 - 22kg
• Payload: 20kg
• Total weight plane + payload: 40 - 45kg
• Maximum distance between take off place and landing place is 30km

Requires:
• Engine: 200 - 220cc gas engine
• Muffler system
• 10 JR DS8711 Ultra torque servos: (2 - ailerons, 2 - elevator, 1 - throttle, 1 - choke, 1- rudder, 1 - steering, 2 - flaps)
• Servo extension wiring
• PowerBox baselog
• 8 PowerBox battery 4000 JR
• 1 PowerBox Sensor
• Spinner 5" 3 blades
• 3 Blades prop 32/14 - 34/12
• Autopilot with maximum distance between take off place and landing place off 30km
• UAV ground control station
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Old 06-07-2013, 12:47 PM
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

I'm following.
Saul
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Old 06-08-2013, 11:51 PM
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Wellcome Saul
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Old 06-11-2013, 11:09 PM
  #4
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Hello,

We made our choice for the engine, it will be the Mintor 220cc. Link [link=http://www.mintor.net/wordpress/motori/220cc/?lang=en]Mintor 220cc[/link]


SPECIFICATIONS

Displacement: 220cc

Bore: 1.77 in

Stroke: 1.36 in

RPM Range: 780 – 7000

RPM Max: 8700

Carburetor: Walbro

Engine weight: 10 lbs. 14 oz.

Recommended propellers: 3 blade 32/14 - 34/12

Included: spark plug NGK, ignition, linkage carburetor.

Required: unleaded petrol, oil 100% synthetic 2-stroke, power battery, propeller.

Warranty: 3 years
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Old 06-11-2013, 11:15 PM
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Colors of the Cessna 185 without the floats system for our project.
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Old 06-12-2013, 09:46 PM
  #6
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Hello,

Upgrade from Tommy. Hi demold the fuselage and tail parts.
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Old 06-14-2013, 11:31 PM
  #7
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Hello,

Order the spinner at [link=http://www.tru-turn.com/]Tru-Turn[/link] :

3 blade Ultimate shape of 5" with a lightened backplate.
We don't need a adapter for the Mintor 220cc.
Tru-Turn made also for free a special cut for our Biela 3 blade prop 32/12.
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Old 06-18-2013, 12:02 AM
  #8
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Hello,

We receive today the Mintor 220cc.

Shipping with UPS send on 13/06/2013.
Package in perfect condition, the engine and all the parts also.
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Old 06-20-2013, 04:16 AM
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Hi Phil:

You have an interesting project in front you.
Your selection of 220cc engine is a good choice considering your pay load.
I have also used the same propellor and spinner with good results.

I know you have also followed the other 185 thread, there are a few construction up grades that I would consider when you receive the model.
I look forward to seeing your progress and results.

Regards
Randy
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Old 06-21-2013, 11:20 PM
  #10
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Hi Randy,

First I wane tank you for your great post about the Cessna 185 because this post has to make possible or project and to make the choose off the plane.

Normally, Tommy gone make the shipping at 07.08.2013 in the hope that the plane is finish.

The difficult aspect of this project is to take off on point A, landing on point B and take off again from point B to land again on point A and this full autonomous.
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Old 06-25-2013, 09:21 PM
  #11
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Hello,

Upgrade from Tommy.

We receive the 10 JR DS8711 servos. (2 - ailerons, 2 - elevator, 1 - throttle, 1 - choke, 1- rudder, 1 - steering, 2 - flaps)

Specifications
JR DS8711 ULTRA TORQUE SERVO

Size Category: Standard
Type: Digital
Application: Ultra torque
Torque: 347 oz-in @ 4.8V, 403 oz-in @ 6V
Speed: .19 sec/60° @ 4.8V, .15 sec/60° @ 6V
Length: 1.58 in
Width: 0.82 in
Height: 1.56 in
Weight: 2.36 oz
Bushing Or Bearing: Bearing
Gear Type: Metal
Gear Material: Metal Alloy
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Old 07-03-2013, 08:40 PM
  #12
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Awesome looking plane , and what a project . Nice work .
Auto landing system : Does the autopilot has a "ground proximity" sensor , that it knows when to flare the plane ?i am interested to get one too . Kindly share some info on this .
Thanks
Ken Tan
Jakarta

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Old 07-03-2013, 10:16 PM
  #13
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Hello Ken,

We have a sensor "module" onboard.

The module is an ultrasonic altimeter that provides high resolution altitude information up to an altitude of 16 feet.
The module allows for autonomous takeoff and landing.

- Highly accurate above ground up to 15 feet +/- 1”
- Allows for autonomous takeoff and landing
- Allows flare

We have also three dimensional compass that compensates for pitch and roll.
This accessory is useful when flying in high winds as it gives an accurate direction that the nose of the plane is pointing unlike the GPS heading which is the direction the plane is heading.

- Provides heading information
- Provides wind velocity and direction
- Allows for higher tolerance of high winds
- Provides dead reckoning capabilities
- Provides heading information with no speed - used for hovering applications
- 3-D aircraft capable as it provides accurate heading information even during banked flight - unlike the accelerometer based 3-D compass
- 2.6 x 3.2 cm
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Old 07-16-2013, 07:48 AM
  #14
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Hello,

We receive today the propellers from Biela, 3 blade prop 32/12.

Package in perfect condition.
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Old 07-17-2013, 07:52 AM
  #15
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Hello,

Upgrade from Tommy.
Today start final paint.
Shipping for end this week.
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Old 07-19-2013, 09:14 AM
  #16
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Hello,

Upgrade from Tommy.
Shipping begin next week.
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Old 07-19-2013, 05:07 PM
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Hi Phil thanks for the clarification . May I know the brand of the autopilot youre using & where can i buy one ?

Thanks
Ken
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Old 07-20-2013, 12:19 AM
  #18
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Hello Ken,

For the moment we have 3 brand for the autopilot and we have not made our choice.
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Old 07-25-2013, 03:36 AM
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Hi Phil:

Just saw all your updates, your model looks great, takes me back to when I went through the same process.
Your paint design and colour looks great, it will be nice to see it all together.

Beila do a noice job on the props, you will be happy with it.

I see Tommy has left the servo opening in the fin for the rudder control. I changed mine but his way is alot easier.
Nice to see he has gone the way of the split cowling from the factory.

Keep up the good work..
Regards
Randy

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Old 07-30-2013, 05:02 AM
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Default RE: 35% Cessna 185 Skywagon from Tmmy with Auto Pilot

Hello,

Upgrade from Tommy.
Plane is finished and Shipped.
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Old 08-09-2013, 07:45 AM
  #21
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Hello,

Upgrade from Tommy.
Plane shipped.

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Old 08-13-2013, 06:27 AM
  #22
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Hello,

We receive the plane from Tommy yesterday and all OK.
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Old 09-01-2013, 05:47 AM
  #23
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Hello,

Today first run of the Mintor 220 with propeller from Biela, 3 blade 32/12.
Idle = 1000 rpm.

Video

http://www.youtube.com/watch?v=r_NxGYgX39Q&feature=youtu.be
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Old 09-02-2013, 05:39 AM
  #24
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Hi Phil:
Thank you for your updates and pictures, the model looks great.
The Mintor engines runs very well.

What type of exhaust system are you using.
What type of baffling are you using around the engine.
Just a thought, since you a are using a 4 cylinder engine such as I did.

I made my cowl flaps adjustable to allow for added air flowin warmer flying weather.
They have worked very well.

Keep us posted on your installation and updates.
Regards
Randy

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Old 09-02-2013, 05:51 AM
  #25
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Hi Randy,

I using barrel from Mintor special for the Mintor 220.
I gone take a picture to see.
The baffling around the engine, see picture.
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