Document bajnJeQvNReyyQgDOO903j29k

October 5, 1540 P r . Graham Ddgar ' Dear Dr, -cigar* .T . The fo llo w in g a r e my comments on y o u r l e t t e r o f O ctober 7 r e gar d in g t h e n ay bu rn er fo r Bth yl G asolin e i \ 1 qu in m on t e - I t w i l l be in t e r e e t iu g ^ t q ^ se e t h o d e t a ile d draw in g, alth ou gh th e ph otograph i s fair ly ., d e sc r ip t iv e * xhe f i l t e r p ad s s om itted., seem r a t h e r den sed'and I am wonder in g how much b ack p r e ss u r e wtH oy p u t on t h e sy st em , and her lx.is buck: p r e ssu r e I *' over coit e* I w ould e xp e at a t h ic k e r ' b u t l o o se r pad t o be ^equ ally ae e f f e c t i v e , w h ile sh ow in g lo ss p ressu re d rop .x 2 . --al e o l a t i o n s, - I agr e o fd t h you r r em ar k s r e ga r d in g th a amount o f a i r and f u e l Used * I f t h e amount os'* le a d a c t u a l ly preDen t-dJr-n bm bus'tth a g a se s i s a s sm all a s r e p o r t e d , th o-'h oxiciu sicn s would n ot be u n v alid at e d by a th ree-fold ' correctten facto r . 3 * Tho on ly q u e st io n in toy mind r e l a t e s t o t h e acou r aoy o f th e v a lu e s^ I f n o lo a d was foun d in t i e f i f t h ab so r b e r , th ere^ I s s t i l l - t h e p o s s i b i l i t y t h a t some le a d was p r e se n t in ; if H en -absorbable form . I b e lie v e t h a t e a r l y exp er im en t s on t h e e xh au st o f an en gin e fa ile d t o accoun t fo r a l l th e le ad in p u t , end t h is was p rob ab ly due t o in a b ilit y t o remove t h e le ad q u a n t it a t iv e ly . i from t h e .e xh au st g a se s. I t m y b e , h ow ever, t h a t in t h i s caa,,xc*?" a fe d e a lin g w it h Ffa and n o t FbO, and t h e r e fo r e , t h a t t h e r m cover y i s more q u a n t i t a t i v e . A roubh ch eck on t h i s would be ob tain ed by an aly zin g a f i l t e r , w h ich ac co r d in g t o t h e Army r e p o r t sh ou ld accou n t fo r 99+% o f t h e le a d in p u t (in c lu d in g, o f c o u r se , t h e se r a p in gs from th a cr ack in g t u b e ) 4 . fu r t h e r t e s t e . - An im provem en t i n t h e t e s t i n g t ech n iq u e w ill" 'c o n si st "o f a n a ly z in g t h e m easu red gas fo r CO and C0G, th u s ob t ain in g a m easure in term s o f fu e l in p u t . I b is v r ill remove t h o n e c e ssit y o f gat h e r in g a l l th e com bustion K 00085! Dr* Graham Edgar Fase 2 Cot. 9, 1940 p rod u cts, or o f preven tin g adm ixture w ith fr e sh a ir * The a d v i s a b i l i t y o f r u n n in g fu r t h e r t e s t s , h ow ever, vri.ll depend m ostly on n r . 'ao h le 's opion ion o f th e d at a sxisroitted* A sam ple o f nThr^,t - 0*len e,, h ae b een r e c e iv e d and w i l l be id e n t ifie d . Un less i t s ocsapaaitteru sh ou ld have som eth in g u n u su al, I doubt w i^ t h o r ' t h l^ - w ill be worth . testin g* - ' . Very t r u ly you rs. GC sAMC oo: Dr. f'.F.achia K 0009552