Mitundu ya Njinga - Kusiyana Pakati pa Njinga

Pa moyo wawo wautali wazaka 150, njinga zakhala zikugwiritsidwa ntchito mosiyanasiyana.Nkhaniyi ipereka mndandanda wa mitundu yofunikira kwambiri ya njinga zomwe zili m'gulu la ntchito zomwe zimakonda kwambiri.

Mwa Ntchito

• Njinga zanthawi zonse (zothandiza) zimagwiritsidwa ntchito tsiku ndi tsiku popita, kukagula zinthu komanso poyenda.
• Njinga zamapiri zidapangidwa kuti zizigwiritsidwa ntchito panjira ndipo zili ndi chimango cholimba, mawilo ndi makina oyimitsidwa.
• Njinga za Mpikisano zidapangidwa kuti zizichita mpikisano wamsewu.Kufunika kwawo kuti akwaniritse kuthamanga kwambiri kumafunikira kuti apangidwe kuchokera kuzinthu zopepuka kwambiri komanso kuti asakhale ndi zowonjezera.
• Njinga zoyendera amapangidwira maulendo ataliatali.Zida zawo zokhazikika zimakhala ndi mipando yabwino komanso zida zambiri zomwe zimathandiza kunyamula katundu waung'ono.
• Njinga za BMX zidapangidwa kuti zikhale zododometsa komanso zanzeru.Nthawi zambiri amamangidwa ndi mafelemu ang'onoang'ono owala ndi mawilo okhala ndi matayala okulirapo, opondedwa omwe amapereka njira yogwira bwino pamsewu.
• Multi Bike idapangidwa ndi seti ya okwera awiri kapena kupitilira apo.Njinga yayikulu kwambiri yamtunduwu imatha kunyamula okwera 40.

Mitundu yomanga

• Njinga yothamanga kwambiri (yomwe imadziwika bwino kuti "penny-farthing”) ndi njinga yachikale yomwe inali yotchuka m’zaka za m’ma 1880.Inali ndi gudumu lalikulu lalikulu, ndi gudumu laling'ono lachiwiri.
• njinga ya pright (kapena njinga wamba) yomwe ili ndi kapangidwe kakale mwa woyendetsa mfiti imakhala pampando pakati pa mawilo awiri ndikuyendetsa ma pedals.
• Pampikisano wina wamasewera othamanga, dalaivala wagona panjinga yokhazikika.
• Njinga yopinda nthawi zambiri imawonedwa m'matauni.Zapangidwa kuti zikhale ndi chimango chaching'ono komanso chopepuka.
• Njinga yolimbitsa thupi idapangidwa kuti ikhale yosasunthika.
• Njinga zamagetsi zili ndi mota yamagetsi yaying'ono.Wogwiritsa ali ndi mwayi wogwiritsa ntchito ma pedals kapena kugombe pogwiritsa ntchito mphamvu ya injini.

Mwa giya

• Njinga za liwiro limodzi zimagwiritsidwa ntchito panjinga zonse wamba komanso ma BMX.
• Magiya a Derailleur amagwiritsidwa ntchito panjinga zambiri zamasiku ano zothamanga ndi njinga zamapiri.Itha kupereka kuchokera pa ma liwiro asanu mpaka 30.
• Zida zamkati zamkati zimagwiritsidwa ntchito panjinga wamba.Amapereka maulendo atatu mpaka khumi ndi anayi.
• Njinga zopanda unyolo zimagwiritsa ntchito driveshaft kapena lamba kusamutsa mphamvu kuchokera pamapawo kupita ku gudumu.Nthawi zambiri amagwiritsa ntchito liwiro limodzi.

Mwa kuthamangitsa

• Zoyendetsedwa ndi anthu - Zopalasa, zokokera m'manja, njinga zopalasa, njinga zopondaponda, ndi njinga yamagetsi [velocipede].
• Njinga yamoto ikugwiritsa ntchito mota yaying'ono kwambiri kuti ipereke mphamvu yoyenda (Moped).
• Njinga yamagetsi imayendetsedwa ndi wokwera komanso ndi mota yaying'ono yamagetsi yomwe imayendetsedwa ndi batire.Battery ikhoza kuchangidwanso ndi gwero lamagetsi lakunja kapena kukolola mphamvuyo pamene wogwiritsa ntchito akuyendetsa njingayo kudzera pa pedals.
• Flywheel amagwiritsa ntchito mphamvu ya kinetic yosungidwa.