{"id":156,"date":"2014-01-27T10:06:30","date_gmt":"2014-01-27T18:06:30","guid":{"rendered":"http:\/\/pididu.com\/wordpress\/solarbike\/?p=156"},"modified":"2026-10-27T16:59:26","modified_gmt":"2026-10-27T23:59:26","slug":"prospective-chassis-for-the-controller","status":"publish","type":"post","link":"http:\/\/pididu.com\/wordpress\/solarbike\/prospective-chassis-for-the-controller\/","title":{"rendered":"Prospective Chassis for the Controller"},"content":{"rendered":"\n

I’m pleased to have found a possible chassis to house the power transfer controller (PTC).<\/p>\n\n\n

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\"$3<\/a>
This was $3 at a flea market. I wasn’t sure what the box was, but liked the size, and the heat sinks.<\/figcaption><\/figure>\n<\/div>\n\n\n

The included heat sinks are a nice feature, as I expect that the main switch (transistor) of my design will get quite hot, as will the rectifier. I’ll probably need to enlarge some of the holes to accommodate water-tight fittings for the power cables, and may need to seal other places with liquid gasket, as any equipment going on a bicycle eventually gets rained on.<\/p>\n\n\n

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\"Inside<\/a>
Hmm, looks like it could have been a TV cable distribution amp of some kind. It’s old – the date codes on the parts suggest it’s from circa 1980. The power supply in the top section doesn’t even have a monolithic regulator, it uses a zener diode and common base NPN transistor.<\/figcaption><\/figure>\n<\/div>\n\n\n

Actually, this chassis has way more space than is probably needed. Maybe I could keep the heat sinks as they are, but cut the other sides in half.  As-is, this chassis is wider than my bike’s rear rack.<\/p>\n","protected":false},"excerpt":{"rendered":"

I’m pleased to have found a possible chassis to house the power transfer controller (PTC). The included heat sinks are a nice feature, as I expect that the main switch (transistor) of my design will get quite hot, as will the rectifier. I’ll probably need to enlarge some of the holes to accommodate water-tight fittings … Continue reading Prospective Chassis for the Controller<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-156","post","type-post","status-publish","format-standard","hentry","category-mechanical"],"_links":{"self":[{"href":"http:\/\/pididu.com\/wordpress\/solarbike\/wp-json\/wp\/v2\/posts\/156","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/pididu.com\/wordpress\/solarbike\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/pididu.com\/wordpress\/solarbike\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/pididu.com\/wordpress\/solarbike\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/pididu.com\/wordpress\/solarbike\/wp-json\/wp\/v2\/comments?post=156"}],"version-history":[{"count":0,"href":"http:\/\/pididu.com\/wordpress\/solarbike\/wp-json\/wp\/v2\/posts\/156\/revisions"}],"wp:attachment":[{"href":"http:\/\/pididu.com\/wordpress\/solarbike\/wp-json\/wp\/v2\/media?parent=156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/pididu.com\/wordpress\/solarbike\/wp-json\/wp\/v2\/categories?post=156"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/pididu.com\/wordpress\/solarbike\/wp-json\/wp\/v2\/tags?post=156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}