1 9 3 1 ▁Junior ▁and ▁Senior . ▁ ▁D NF ▁in ▁ 1 9 3 6 ▁Junior ▁( Excel si or )- ▁Ret ired ▁Lap ▁ 3 ▁at ▁C reg - ny - B aa . ▁ ▁D NF ▁in ▁ 1 9 3 7 ▁Light weight ( Excel si or ) ▁– ▁Ret ired ▁Lap ▁ 6 ▁at ▁C reg - ny - B aa ▁with ▁broken ▁connecting - rod . ▁ ▁D NF ▁in ▁ 1 9 3 9 ▁Senior . ▁ ▁German ▁Motor cycle ▁GP ▁ ▁In ▁ 1 9 2 9 ▁Henry ▁Ty rell - Smith ▁won ▁the ▁ 5 0 0   cc ▁class ▁at ▁the ▁German ▁motor cycle ▁Grand ▁Prix ▁ ▁In ▁ 1 9 3 1 ▁the ▁ 3 5 0   cc ▁Grand ▁Prix ▁ ▁In ▁ 1 9 3 4 ▁the ▁ 2 5 0   cc ▁Grand ▁Prix ▁ ▁In ▁ 1 9 3 6 ▁the ▁ 2 5 0   cc ▁Grand ▁Prix ▁ ▁Other ▁race ▁wins ▁ 1 9 3 1 ▁ 2 5 0 cc ▁Dutch ▁Grand ▁Prix ▁ 1 9 3 2 ▁ 3 5 0 cc ▁Ul ster ▁Grand ▁Prix ▁– ▁Rud ge ▁ 7 7 . 8 9   m ph ▁ 3 5 0 cc ▁Brook lands ▁Grand ▁Prix ▁ 1 9 3 3 ▁ 5 0 0 cc ▁Le in ster ▁ 2 0 0 ▁ 1 9 3 4 ▁ 2 5 0 cc ▁Belg ium ▁Grand ▁Prix ▁ 1 9 3 6