( So ( ( by ( ( measurement and ) calculation ) ) ( we ( ( can ( ( ( make ( a start ) ) ( at this ) ) ( by ( ( at least ) ( ( getting ( ( the dimensions ) ( of ( the ( squish volume ) ) ) ) ) ( ( the same ) ( for ( each ( combustion chamber ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (RB So) (PP (IN by) (NP (NN measurement) (CC and) (NN calculation))) (NP (PRP we)) (VP (MD can) (VP (VB make) (NP (DT a) (NN start)) (PP (IN at) (NP (DT this))) (PP (IN by) (S (ADVP (IN at) (JJS least)) (VP (VBG getting) (NP (NP (DT the) (NNS dimensions)) (PP (IN of) (NP (DT the) (JJ squish) (NN volume)))) (PP (NP (DT the) (JJ same)) (IN for) (NP (DT each) (NN combustion) (NN chamber)))))))) (. .)))
So by measurement and calculation we can make a start at this by at least getting the dimensions of the squish volume the same for each combustion chamber.
(ROOT (S (NP (NP (DT The) (NN volume)) (PP (IN of) (NP (DT a) (ADJP (ADVP (RB regularly)) (JJ shaped)) (JJ solid)))) (VP (MD can) (VP (VB be) (VP (VBN calculated) (PP (IN from) (NP (PRP$ its) (NNS dimensions)))))) (. .)))