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Yellow Plane 1800mm Scratch Built Coroplast FPV Platform 2

Posted by Nick Goodey on October 27, 2012 at 4:30pm

Yellow Plane 1800mm Scratch Built Coroplast FPV Platform 2

Yellow Plane now has a battery box and nose for the FPV gear, The centre of gravity is on the wing center line with these batteries, the whole pod can be relocated on the keel as required as its only bolted on. I am trying to keep from blocking the flow to the prop with the nose pod as much as I can. It will likely need wheels or skids projecting aft of the battery pod.

Holds 3 Turnigy 2200mAh 3C

Put a tilt mechanism on the camera

The camera OSD, GPS and 5.8Ghz TX all mounted in the same module

There is another 700mAh 3C to be mounted for the electronics supply

Getting some smaller lighter lenses

16mm 20 Degree Angle Fixed

6mm 53 Degree Angle

The Hobby King F1.2 lense is a hulking 70 Grams +

1/3-inch Sony CCD Video Camera 700TV Lines F1.2 (PAL)

The FPV parts are all mounted on the top cover so an alternate cover can be used if required

58gh, 6channel, fpv, osd, xbe, brew, build, built, controller, coroplast

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Comments

Nick Goodey October 28, 2012 at 3:09pm

Comment by Nick Goodey just nowDelete Comment

With the DT850 motor and a single 2200mAh depleted by 70% of capacity at 1400 Grams of thrust 22.4 Amps i.e. Max throttle I calculated 4 minutes at a discharge rate of around 10C. Cruising at half thrust 700 Grams 8.2 Amps 11.2 minutes for 70% of a 2200mAh

So with 6600 mAh in theory 12 minutes flat out, and over 30 mins at a mean thrust of 700 grams

Please see my spread sheet for all my test data
Nick Goodey October 28, 2012 at 2:53pm

Comment by Nick Goodey just nowDelete Comment

With the DT850 motor and a single 2200mAh depleted by 70% of capacity at 1400 Grams of thrust 22.4 Amps i.e. Max throttle I calculated 4 minutes at a discharge rate of around 10C. Cruising at half thrust 700 Grams 8.2 Amps 11.2 minutes for 70% of a 2200mAh

So with 6600 mAh in theory 12 minutes flat out, and over 30 mins at a mean thrust of 700 grams

Please see my spread sheet for all my test data
T3

Ted Van Slyck October 28, 2012 at 1:23pm

whats the estimated flight time?
Nick Goodey October 28, 2012 at 1:58am

Here is a link to the spread sheet
Nick Goodey October 28, 2012 at 1:56am

I see what you mean about the battery :) I have some velcro now to secure them

I have a better battery box now didn't like the look of MK1

Here are my calculations it is a bit heavy but according to my research the wing loading is in an acceptable range
Moderator

Gary Mortimer October 28, 2012 at 12:43am

Be very careful with those batteries looks like they can take a journey through your camera. How much does it weigh?