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Wireless launch system discussion 2 months 2 days ago #3303

As the title of this thread says, this is a place for discussing the wireless launch system. I've been slowed in my progress due to a project for the Cub Scouts ( that will be completed today) and some serious hearing issues. However, I'm back on my feet and getting ready to make a new push to finalize the wireless system. I want to list the changes I'm working on so the rest of you can provide feedback.

My goals are:
  •  Make the system more secure to virtually eliminate the chance of a launch happening at the wrong time.
  •  Eliminate the possibility of cross-talk between multiple systems within range of each other.
  •  Improve device pairing so the system doesn't need to scan as much on start-up
  •  Streamline the operation of the system to make it more intuitive to use.

Some of the changes to accomplish these tasks (and other tasks not listed) are:
  •  Switch from the XT60 connector to the XT30 connector for lead connection. The smaller XT30 can handle 30 amps while having a much smaller footprint.
  •  Have an optional round 'aircraft' style connector for some applications.
  •  Have provisions for 3-pad and 6-pad Launchpad Controller boxes.
  •  Enable the same panel to be mounted in a small box or a larger one that includes storage (our current boxes are the large ones.)
  •  Possible a custom version that is built onto the model rocket launch racks to speed up site setup.
  •  Add a Sync cable on the launch controller and pad controller to be used to pair the devices. Once paired the pad box will only work with the paired launch controller unless re-paired with another device later.
  •  Change the charging port so it is keyed to prevent it from being connected backward.
  •  Redo the Bank/Group/Pad arrangement so there is only a bank (or group) and a sequential pad number.
  •  Add a pad setup screen for adding/modifying pad assignments.
  •  Add a system setup screen for adding/modifying wireless settings.

Thoughts? Ideas?

Mario
The following user(s) said Thank You: Gary Degler

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Last edit: by Mario Perdue.

Wireless launch system discussion 2 months 2 days ago #3304

Hi Mario,
Keying the charging connections would be a good idea. The way they are now is pretty straight forward but open to the not paying attention problem. The 3 vs 6 pad option sounds good for use when only a few pads are ever going to be used, although unless there is a big cost break, having extra built in spares is not a bad idea. 

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Wireless launch system discussion 2 months 2 days ago #3305

The 3-pad controllers would be primarily for the low power launch racks. They would have different packaging designed to be built into the rack so they would probably be somewhat less expensive. I haven’t really looked at the cost aspects of these changes.
The following user(s) said Thank You: Gary Degler

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Wireless launch system discussion 1 month 3 weeks ago #3308

That's it? No other comments?

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Wireless launch system discussion 1 month 2 weeks ago #3309

The more you can do to "mistake proof" it, the better, e.g. the keyed plug for battery polarity, etc. I'm sure there are folks who must spend nights thinking how to defeat something, but the more you can do to help the very casual user from making a mistake, the better. When one only uses something once a month or so, it can be hard to remember the sequence. Checklists could help.
Also, increasing range since we seem to have to elevate the boxes.

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Wireless launch system discussion 1 month 2 weeks ago #3310

The range is purely a matter of antenna design and positioning. The closer the antenna is to the ground, the shorter the range will be.

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