
napier javelin

frank halford roopakalppana cheyth dii. nirmmicha britiish aarr silindar inline eyar-cooled enchinaanu napier javelin. napier makan. 1934 maarchil persival mevu gull racing vimaanathinte prototypil aadyamaayi paratthiya eee enchin sparten ambu bipelainilum persival galilum upayogichu.
vikasanavum roopakalppanayum.
1930 dii. laitt aircraft enchinukalkkaayi oru vipani napier makan thiricharinju, laitt aircraftukalkku avarude kaarukalkk thulyamaaya vilayundennum avaa ore klaas maanyar vaangunnundennum addeham abhiprayappettu. frank halford kansalttant designaraayi jolie cheythirunnuvenkilum ippol eyar-cooled inverted aarr silindar designinte pravartthanam aarambhichu. udyogastharude maattathetthudarnnu, 1932-ll enchinu anumathi nalki, vimana nirmmathaavaaya dii haavilaandine oru upabhokthavaayi thiricharinju.
pilkkala dii havilland gipsy sixil ninnu vyathyasthamayi poppatt vaalvukal pravarthippichathu orotta gear oodikkunna overhead kaamshaaftaanu.
enchinu aadyamaayi iii97 ennu peridukayum 1932 ll vipaniyil avatharippikkukayum cheythu. ennirunnaalum onnum vilkkapettilla, cheria maattangalkk sesham adutha varsham ithu javelin aayi veendum avatharippichu.
vikasanam thudarnnenkilum pareekshanathmakavum prototypeumaaya vimaanangalkkayi kurachu maathrame vittutheernnittullu.
1935 aayappozhekkum napier avarude sramangal veendum kendreekarikkendivannu, harfordinte vishaalamaayi samanamaaya ennaal kooduthal sakthamaaya dii havilland gipsy six ippol vipaniyil ullathinaal javelin pinvalichu.

