[EVDL] Big Batteries in 1957

This is the 101'st anniversary of Sputnick. It was a pair of 3 tube transmitters. Hams are talking about it, but this comment on batteries caught my eye. Just a passing thought about batteries... The power supply of the onboard radio equipment of the first satellite was completely autonomous -

Re: [EVDL] Big Batteries in 1957

On 5 Oct 2018 at 11:06, Robert Bruninga via EV wrote: > It had taps for powering the screen (90 V) and pentode > grids of the output stages (10 V), as well as the manipulator (20 V). I did some tinkering with tubes back in the day, and as far as I can remember, that's mostly gibberish. A pentod

Re: [EVDL] Big Batteries in 1957

Robert Bruninga wrote: This is the 101'st anniversary of Sputnick... Sputnik was a monumental achievement. It was instrumental in putting mankind in space. It certainly inspired me (and I was only 7 at the time). Though it was just 61 years ago (not 101). It had taps for powering the screen

Re: [EVDL] Big Batteries in 1957

1000 miles on a bike: the limiting factor isn't the battery, it's the butt ! -- Original Message -- From: "Lee Hart via EV" To: "Electric Vehicle Discussion List" Cc: "Lee Hart" Sent: 05-Oct-18 9:31:37 AM Subject: Re: [EVDL] Big Batteries in 1957 Robert Bruninga wrote: This is the 1

Re: [EVDL] Big Batteries in 1957

>> I keep wondering when someone will pile hundreds of lbs of lithium >> cells on a bicycle, and ride it 1001 miles to beat their record. Peri Hartman via EV wrote: 1000 miles on a bike: the limiting factor isn't the battery, it's the butt ! Indeed! OK, so use a 3-wheel recumbent with a good s

Re: [EVDL] Big Batteries in 1957

On 5 Oct 2018 at 11:31, Lee Hart via EV wrote: > Great batteries; but only good for a couple hundred cycles life. I recall reading that it was more like a couple DOZEN cycles. > I think they actually achieved a range of over 1000 miles? Besides not > mentioning that using a ton of silver batt

Re: [EVDL] Big Batteries in 1957

Unless we are talking dog years or you have moved to 2058 that should be 61st anniversary. Lawrence Rhodes -- next part -- An HTML attachment was scrubbed... URL: ___

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