heliblog

heliblog

RC Helicopter flying, RC Cars and RC boating

Made for other people and me to track what I am doing when with my remote controlled units. It started out with helicopters. Hence the name.

If only one of my units is of interest, this unit can be clicked on the right and only posts regarding that unit shows up.

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Battery and LiPo saver

Billing Boats PhantomPosted by xilsoe Dec 13, 2009 13:14:21
To make some more room for the battery I cut off 6mm from the top of the cockpit box so the floor will be placed higher. This is needed as I have chosen to place the battery below the cockpit. This is for easy access to the battery and to put some serious weight in the front. This is because otherwise I am expecting this boat will put the nose in the sky. This is shown in some of the pictures below.

As I am using LiPo batteries I have chosen to acquire a LiPo alarm so I get alerted before power runs low. To get a useful solution I have chosen that the alarm should be in the cockpit. Otherwise it is hard to see the LEDs smiley To make an elegant solution I decided to place some of the LEDs in the control board. Some of the scopes in the board were exactly 3mm, so I drilled through and placed LEDs there. This is shown in the pictures below. To do this I also had to modify the LiPo alarm by un-soldering some of the LEDs and put some extension cords on so I could place the LEDs in the control board. Perhaps I am not that good at un-soldering, but none of the un-soldered LEDs worked after un-soldering, so I had to replace them.

One thing I haven't solved yet is how to connect the alarm to the battery. I have ordered a 4 pole JST-XH extension cable to make this connection. I expect it to arrive soon

The LiPo alarm solution can be see in the pictures below.



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