zahadny merak

[David Obdrzalek]

A jak to fungovalo? (nejsem moc analogově vzdělanej)

D.O.

On 22 Dec 2020 at 10:41, Krucinsky, Ladislav wrote:
> Přesně tak. V autech se tak konstruovaly měřiče paliva i teploty.
> 
> Zdravím
> Ladislav Kručinský
> 
> -----Original Message-----
> From: Hw-list <hw-list-bounces na list.hw.cz> On Behalf Of Šerých Jakub
> Sent: Monday, December 21, 2020 9:24 PM
> To: HW-news <hw-list na list.hw.cz>
> Subject: RE: zahadny merak
> 
> WARNING: This email originated outside of the company. DO NOT CLICK links or
> attachments or enter any information into forms unless you trust the sender and
> know the content is safe.
> 
> 
> 
> 
> 
> Nedělaly se takhle ve starých "analogových" autech palivoměry? V nádrži
> plovák hýbající potenciometrem a rozdílový měřák, se dvěma cívkami, aby
> nebyl závislý na momentálním napětí baterie.
> 
> Jakub Šerých
> 
> -----Original Message-----
> From: Hw-list <hw-list-bounces na list.hw.cz> On Behalf Of Daniel Valuch
> Sent: Monday, December 21, 2020 9:04 PM
> To: hw-list na list.hw.cz
> Subject: Re: zahadny merak
> 
> zabudol som napisat. Marian vravi, ze merak je z ruskeho lietadla.
> 
> On 21/12/2020 20:54, Daniel Valuch wrote:
> > Zdravim osadenstvo,
> >
> > dnes som dostal rucickovy merak (dakujem Marian!) a snazim sa dojst na
> > co je dobry :-)
> >
> > Foto vid.
> https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdvaluch.web.cern.c
> h%2Ftemp%2Fmerak.jpg&data=04%7C01%7Cladislav.krucinsky%40linde-mh.cz%7C44b44e36
> c01c4c6b2cff08d8a5ee56df%7C13c728e0bb0c4cf78e105b327279d6d9%7C0%7C0%7C6374423010976
> 24781%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiL
> CJXVCI6Mn0%3D%7C3000&sdata=jLT78qQ3Mmj0SRzmr1%2BfZadqkJ80uqoR58V8rIp0ajk%3D&amp
> ;reserved=0
> >
> > Su tam dve cievky, otocene priblizne o 45 stupnov. Obidve maju velmi
> > podobny odpor (230/290 Ohmov). Ked privediem prud na jednu cievku,
> > rucicka sa pohne. Ked privediem ten isty prud na druhu cievku, rucicka
> > nic nerobi.
> >
> > Ked pomocou jednej cievky dostanem rucicku na nejaku nenulovu
> > vychylku, napriklad do stredu stupnice, prudom druhej cievky dokazem
> > tu vychylku menit od nuly po maximum.
> >
> > Skusal som aj striedavy prud, napriklad ako fazomer s 0 a 90 stupnovou
> > zlozkou, ale nic pochopitelne to neukazovalo. Jedine, co som potvrdil
> > bolo, ze to ukazuje rozdiel prudov v cievkach. Ak nastavim 0 stupnov
> > fazu, rucicka sa nehybe, ak 180, chodi v plnom rozsahu.
> >
> > Rozmyslam nad dvoma vecami. Ako sa to vola a na co je to dobre :-)
> >
> > Ak to ukazuje rozdiel amplitudy dvoch signalov, to by sa mozno dalo
> > pouzit na indikaciu pomeru lalokov u ILS, ale tam sa myslim
> > nepouzivali meraky s klasickou "pristrojovou" rucickou.
> >
> > b.
> >
> >
> > _______________________________________________
> > HW-list mailing list  -  sponsored by
> https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.hw.cz%2F&d
> ata=04%7C01%7Cladislav.krucinsky%40linde-mh.cz%7C44b44e36c01c4c6b2cff08d8a5ee56df%7
> C13c728e0bb0c4cf78e105b327279d6d9%7C0%7C0%7C637442301097624781%7CUnknown%7CTWFpbGZs
> b3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&s
> data=fLdxFkyGR9zBFFCya0xqPTxVEOxIGUmyLH74nO1cakE%3D&reserved=0
> Hw-list na list.hw.cz
> >
> https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Flist.hw.cz%2Fmailm
> an%2Flistinfo%2Fhw-list&data=04%7C01%7Cladislav.krucinsky%40linde-mh.cz%7C44b44
> e36c01c4c6b2cff08d8a5ee56df%7C13c728e0bb0c4cf78e105b327279d6d9%7C0%7C0%7C6374423010
> 97624781%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haW
> wiLCJXVCI6Mn0%3D%7C3000&sdata=7mQ81hvt5hI%2B%2BAMbHb14QmgBATOKFht7E0ZSZLlCnuQ%3
> D&reserved=0
> 
> 
> _______________________________________________
> HW-list mailing list  -  sponsored by
> https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.hw.cz%2F&d
> ata=04%7C01%7Cladislav.krucinsky%40linde-mh.cz%7C44b44e36c01c4c6b2cff08d8a5ee56df%7
> C13c728e0bb0c4cf78e105b327279d6d9%7C0%7C0%7C637442301097634733%7CUnknown%7CTWFpbGZs
> b3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&s
> data=YRK5NihdEVbIxHcHFtm%2BWk7v8e%2Fi%2BX3wph7NOIRSC7Q%3D&reserved=0
> Hw-list na list.hw.cz
> https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Flist.hw.cz%2Fmailm
> an%2Flistinfo%2Fhw-list&data=04%7C01%7Cladislav.krucinsky%40linde-mh.cz%7C44b44
> e36c01c4c6b2cff08d8a5ee56df%7C13c728e0bb0c4cf78e105b327279d6d9%7C0%7C0%7C6374423010
> 97634733%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haW
> wiLCJXVCI6Mn0%3D%7C3000&sdata=ltmfu%2F7FNyrdkIMGcUyq5InyzKU4fgrJ%2BXrH7aGp7T0%3
> D&reserved=0
> _______________________________________________
> HW-list mailing list  -  sponsored by
> https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.hw.cz%2F&d
> ata=04%7C01%7Cladislav.krucinsky%40linde-mh.cz%7C44b44e36c01c4c6b2cff08d8a5ee56df%7
> C13c728e0bb0c4cf78e105b327279d6d9%7C0%7C0%7C637442301097634733%7CUnknown%7CTWFpbGZs
> b3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&s
> data=YRK5NihdEVbIxHcHFtm%2BWk7v8e%2Fi%2BX3wph7NOIRSC7Q%3D&reserved=0
> Hw-list na list.hw.cz
> https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Flist.hw.cz%2Fmailm
> an%2Flistinfo%2Fhw-list&data=04%7C01%7Cladislav.krucinsky%40linde-mh.cz%7C44b44
> e36c01c4c6b2cff08d8a5ee56df%7C13c728e0bb0c4cf78e105b327279d6d9%7C0%7C0%7C6374423010
> 97634733%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haW
> wiLCJXVCI6Mn0%3D%7C3000&sdata=ltmfu%2F7FNyrdkIMGcUyq5InyzKU4fgrJ%2BXrH7aGp7T0%3
> D&reserved=0
> _______________________________________________
> HW-list mailing list  -  sponsored by www.HW.cz
> Hw-list na list.hw.cz
> http://list.hw.cz/mailman/listinfo/hw-list