Divelopmen bilong wanpela 'cone hood'

Divelopmen-paten bilong wanpela 'exhaust hood' long seip bilong wanpela 'truncated cone'

A - Diamita bilong antap as.
D - Diamita bilong as bilong daunbilo.
H - Longpela.

Ol rot bilong baim long intanet.

Kalkuleta i larim yu long kalkuletim ol paramita bilong wanpela 'truncated cone'. Dispela em i gutpela long skelim ol 'exhaust hood' bilong 'ventilation', o wanpela ambrela bilong 'chimney pipe'.

Hau long yusim kalkulesen.

Soim ol sais bilong 'exhaust hood' yu save long en. Klikim 'Calculate' baten. Olsem risal bilong kalkulesen, ol droing bilong 'exhaust hood pattern' i kamap.
Ol droing i soim ol sais bilong katim wanpela 'truncated cone'.
Ol droing bilong lukluk long sait tu i save kamap.

Olsem risal bilong kalkulesen, yu ken painimaut:

Angle bilong 'inclination' bilong ol 'cone wall'.
Katim ol angle long divelopmen.
Ol diamita bilong katim antap na daunbilo.
Wokpis pepa dimensen.

Atensen. Noken lusim tingting long putim ol 'allowances' bilong ol 'fold' bilong konektim ol hap bilong 'hood'.