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According to the manual, the transmitter needs a 12VDC supply.
Reducing the power supply reduces the measured RF output.

I did some reverse engineering and confirmed that the charger circuit is only switched in when the radio power switch is off. Charging is only enabled when the radio is switched off, which makes sense. I have some NiMh cells, but not enough and different capacities/ages. I am going to mount a 12VDC ...

juicedcoupe wrote: ↑Fri Feb 16, 2024 7:40 pm Charge port for use with individual nicd batteries.

OK. Do you know what voltage range should be applied? 15VDC - 20VDC?

I am trying to figure out how to operate with external supply and without batteries.

Hi
I have a new old Futaba T2PHKA radio that draws an impressive 230mA from 8x batteries.
The radio includes a socket on the rear that looks like it should be for plug in 12V. That doesn't seem to work.

Does anyone know what the socket is for?

Hi I have added a modern esc but kept all of the bits from the old manual speed controller. The new esc has an undocumented bec which has allowed me to simplify the wiring. I made a deck over the battery compartment for the receiver to attach to. The period correct Futaba draws 230mA from the batter...

Hi I have added a modern esc but kept all of the bits from the old manual speed controller. The new esc has an undocumented bec which has allowed me to simplify the wiring. I made a deck over the battery compartment for the receiver to attach to. The period correct Futaba draws 230mA from the batter...

Hi
I am not going to race this car, so no point in upgrading stuff. I am only looking at replacing worn parts, like ball joints. It is cheaper for me to upgrade to ball bearings and metal ball joints than to buy genuine plastic Tamiya parts.

Bearings are worth every penny. Get them. As for an esc, I've heard good things about novak, but have never personally run one. The prices on them are often pretty steep too, since some are kinda collectable nowadays. I run hobbywing 1060 escs in most of my cars. They're not period correct at all, ...

Hi
All the steering ball joints need replacing.
Should I replace them with genuine Tamiya parts and keep the car factory?
or
would it be OK to replace the plastic ones with metal after market versions?

Hi
On close inspection, the chassis is designed for anti-roll bars but they don't look like they have ever been fitted.
I could make some but I can't find details of fastenings.
Should they be fitted?

There is a couple of strong rc car clubs with a few kilometers. The closest has a high quality sealed track. I have decided I will only run the car solo on the track. I will look at buying a car to race, if SWMBO approves. The shock diaphragms are good. No sign of any leakage since I filled the empt...

Hi I have never driven an RC car before but I found this car on a rubbish bin outside the local fish and chip shop. It is missing the transmitter but the car is in good condition. I want to restore it and I am looking for advice. The aim is to keep it period correct. The only planned concession to &...