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opinion:frater_secessus:beginner_mistakes [2022/03/31 12:41] frater_secessus [Not enough panel] |
opinion:frater_secessus:beginner_mistakes [2022/05/22 12:28] frater_secessus [Failure to judge advice] |
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* picky eaters | * picky eaters | ||
+ | Further reading: | ||
===== Planning ===== | ===== Planning ===== | ||
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Having no solar at all is generally an unforced error for vandwellers. | Having no solar at all is generally an unforced error for vandwellers. | ||
+ | ==== believing 100w of panel will make 100w all day long ==== | ||
+ | |||
+ | The 100w panel will make 100w in a lab in test conditions. | ||
+ | |||
+ | - the panel will rarely make anywhere close to 100w((under normal conditions)) | ||
+ | - the max power it //does// make will be around local solar noon. Before and after that power will be less. | ||
+ | |||
+ | Example: | ||
+ | |||
+ | ^ Time ^ Watts ^ | ||
+ | |6:02a |0w| | ||
+ | |7:02a |15.9w| | ||
+ | |8:02A |32.8w| | ||
+ | |9:02A |48.7w| | ||
+ | |10:02A |62.3w| | ||
+ | |11:02A |72.8w| | ||
+ | |12:02A |79.39w| | ||
+ | |**1:02p** - local solar noon |81.7w| | ||
+ | |2:02 |79.5w| | ||
+ | |3:02p |72.9w| | ||
+ | |4:02p |62.5w| | ||
+ | |5:02p |48.9w| | ||
+ | |6:02p |33.1w| | ||
+ | |7:02p |16.2w| | ||
+ | |8:02p |0w| | ||
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+ | See the //not enough panel// section below. | ||
+ | |||
+ | ==== shade ==== | ||
+ | |||
+ | Shade will wreck solar harvest. | ||
==== Worrying ==== | ==== Worrying ==== | ||
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Don't get me started on people **flat-mounting poly/mono flex panels to the roof of their van**. | Don't get me started on people **flat-mounting poly/mono flex panels to the roof of their van**. | ||
+ | |||
+ | === mixing different panels === | ||
+ | |||
+ | Mixing differently-rated panels will always be sub-optimal. | ||
=== Panel types and controllers === | === Panel types and controllers === | ||
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Buying "more panel than you need" usually costs extra money directly (panel cost * quantity) and indirectly (may need a bigger controller). | Buying "more panel than you need" usually costs extra money directly (panel cost * quantity) and indirectly (may need a bigger controller). | ||
+ | |||
+ | Having said all that, you can have too much panel((or string)) voltage for the controller' | ||
==== Relying on tilt ==== | ==== Relying on tilt ==== | ||
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==== Failure to add alternator charging ==== | ==== Failure to add alternator charging ==== | ||
- | [[electrical: | + | [[electrical: |
- run more loads; and/or | - run more loads; and/or | ||
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Yes, you can have too much battery. | Yes, you can have too much battery. | ||
- | Most people use lead-chemistry batteries and carrying around unneeded lead is both heavy and expensive. | + | Most people use lead-chemistry batteries and carrying around unneeded lead is both heavy and expensive. |
Exotics like [[electrical: | Exotics like [[electrical: | ||
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* believing one can be 100% stealth and not be noticed; and | * believing one can be 100% stealth and not be noticed; and | ||
* believing the opposite, that one cannot tilt the balance in one's favor of not being kicked out of a spot | * believing the opposite, that one cannot tilt the balance in one's favor of not being kicked out of a spot | ||
+ | * staying in one spot for days/ | ||
+ | |||
+ | |||
- | ---- | ||
===== Money ===== | ===== Money ===== | ||
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* is the responder an idiot, a druggie, a zero-experience dreamer, a poorly-informed blowhard, a black/white thinker? | * is the responder an idiot, a druggie, a zero-experience dreamer, a poorly-informed blowhard, a black/white thinker? | ||
* is the advice upvoted/ | * is the advice upvoted/ | ||
+ | * is the advice commented on favorably by onlookers whose opinion you value? | ||
* does the responder have experience and/or training in the area? | * does the responder have experience and/or training in the area? | ||
* does the responder expect you to believe him/her as gospel? | * does the responder expect you to believe him/her as gospel? |