Ka basebetsi ba fetang 150, Armstrong o na le sehlopha sa litsebi le baenjiniere ba nang le phihlelo ba tsamaiso ea likoloi tsa likoloi.Re tsepamisitse maikutlo ho lihlahisoa tsa brake ea likoloi ka lilemo tse 23, 'me re lula re chesehela mosebetsi ona.Re sebetsa ka botumo ba rona mme re lumela hore katleho e tla finyelloa haeba re phehella boleng ba rona.
Re tsepamisitse maikutlo indastering ea thepa ea likhohlano ka lilemo tse fetang 20, re na le kutloisiso e tebileng ea lisebelisoa tsa mokokotlo le lisebelisoa tsa likhohlano, hape re thehile sistimi e holileng holimo le tlase.