Round 1 Estimates

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Response: 

Lower

250

F1 has been going for over 50 years.
There are currently 24 drivers each season with 5-15 changes in drivers

Upper

750

High end estimate

Response: 

Lower

350

Upper

600

Response: 

Lower

500

Purely a gestimate

Upper

840

F1 is 70 years old, there is 12 drivers. This gives a max of 840

Response: 

Lower

2650

Reduced for 2nd world war years and duplicate drivers and less drivers for first 50 years.

Upper

4000

I chose from 1st world war because motor racing was popular in the 20's. Based on circa 40 drivers per year since then.

Response: 

Lower

1

AA test

Upper

2

AA test

Response: 

Lower

400

About 70 years of racing
20-30 drivers per year - estimate 5 new drivers per year

Upper

700

Estimate 10 new drivers per year

Response: 

Lower

200

75 years with 20 drivers per year, say 5 years participation per driver is 300 drivers. lower estimate is 300-30% = 200

Upper

400

75 years with 20 drivers per year, say 5 years participation per driver is 300 drivers. Upper estimate is 300+30% = 400

Response: 

Lower

1300

Upper

2625

Response: 

Lower

1500

I assessed that for 75 years after WW2 then with 20 drivers per year

Upper

3750

I assessed that for 75 years after WW2 then with 50 drivers per year

Response: 

Lower

450

most drivers complete for 3 seasons so answer third of max

Upper

1400

about 70 years of competition and about 20 in each race/season so high would be 20 x 70 = 1400

Response: 

Lower

450

Not sure how far back this goes

Upper

900

Assume goes back a long ways in time when motor racing was a young sport?

Response: 

Lower

60000

Upper

120000