I recently came across some information on the Mini-Z subReddit that has allowed me to make use of an old Kyosho MR02 model that I bought about a year ago but never had a 27MHz transmitter for.
So for anyone searching the internet that wants to get an analog 27MHz MR02 up to FHSS (regardless of whether or not the chassis is still "valid" or whatever...) here is what you need. |
| Kyosho MA-020 Receiver Set (RA45) |
The MA-020 board is the same width as the 27MHz MR02 board and it matches the retention pin size at the motor end.
The wires are mostly different length to the original board and some are not long enough so will need replacing. Here are my build notes.
- Extend the wires for the servo pot (reuse the old ones from the MR02 board)
- The servo motor wire is fine and about the right length.
- The other wires are all a touch too long and would be tidier shortened down, but you can just tuck them away around the board.
- The aerial cable on the MA-020 is a bit awkward for direct fitting, you may want to drill a hole for it in the chassis cover, but you can just tuck it in against the board with the other excess wires.
- The extra ports on the top of the MA-020 board for the gyro and USB setup do not fit under the standard 27MHz MR02 chassis cover. I decided I'd never use them on this model, so removed them. You could desolder them, or just chop them down with edge cutters, or if you're feeling crafty, get the dremel out and cut some suitable holes in the chassis cover. If you're handy with a 3D printer then maybe even print a new cover?
When you're putting it all back together also be sure to bind your radio before putting the lid back on, as the bind button is then hidden from access (unless you drill a hole for it).
I bound mine to my Radiomaster MT12 (with 4in1 module), and can now play with my old McLaren F1
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