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F109s at Tamworth

Tamworth was not only a good day out for me to have my first F1 race, but it was also good to look at what everyone else was running. Some...

Tamworth was not only a good day out for me to have my first F1 race, but it was also good to look at what everyone else was running.

Some of the racers there had been running their f109's for some time so it was interesting to see what tricks and tips they had for the car.

The most common one seemed to be to change the kit spur for a 0.48 pitch or 0.4 pitch version. I have a nice 104t 0.4 pitch f103 spur gear in my car now.

Also many still ran the kit tyres. This is good from a cost point of view.

Tyre additive was also an essential. Covering the rears completely and just doing the inside of the front wheels to not give the car too much bite.

The other changes, include people fitting the batteries across the chassis, like the F102/F103 chassis. Here is a picture of Dave Richard's F109 which he has modded to fit the batteries at the back of the car. Dave felt that it gave him more rear grip. His car definitely was running well. Dave had engineered this modification so that he could move the batteries forward or backwards as a tuning aid.

 
Metal rear axles were also used by some racers to give more bias to the rear of the car, which in this brushless age does negate some of the advantages of a Carbon rear axle thanks to the torque of brushless systems.

However the majority of the cars were still very standard. The optional Castor plate was the only common upgrade. Which proves at this stage that the car is competitive out of the box.

More very soon, I just have a rank cold so need to go back and have some more Lemsip
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