12V vs 24V in a 180/185
Technical and practical discussion about specific aircraft types such as Cessna 180, Maule M7, et al. Please read and search carefully before posting, as many popular topics have already been discussed.
Hey group-
I'm in a position where I can (or should bc of expensive amphib pump) go to 24v on my 1961 550 powered, ground up restomod 185.
I can do either right now as all accessories and avionics will be new.
I've had a bunch of 180/185's but all 12v.
Can the 24v guys weigh in? 12v obviously an easier jump... 24v less amps/wire gauge. Experience welcomed. Changing this Powerpack will be expensive. I think the 24V stuff is usually easier to find etc.
Thx
DC
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Fishhauler offline


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You've got this same question asked in two different places on the same forum it appears.
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akaviator offline

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akaviator wrote:You've got this same question asked in two different places on the same forum it appears.
Yes- framed differently in two different categories. My apologies to the moderators, but one is relating to changing the Powerpack and the other is soliciting responses from 24V aircraft owners.
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Fishhauler offline


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After years with a 12V Bonanza, I’ve been really impressed with how the 24V 185 spins the starter. It’s said that a starter with more oomph saves wear and tear on the adaptor, but I don’t know if that’s true or relevant to 12 vs 24. Since the 185 has fixed gear, that’s the only operational difference I see. That, and the expensive batteries. As you noted, jumping would be a problem.
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StuBob offline
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Last edited by
dogpilot on Thu Aug 06, 2020 12:14 am, edited 1 time in total.
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dogpilot offline
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Yes thx-
Roger that... I am going to call KAH tomorrow.
However , I am very literally starting with a clean sheet new aircraft . It needs everything. I am building a new 185. The CB's are 60 years old etc. This was an extremely original and worn out jump plane. I need to see what kind of price differences on 24V accessories. They have tended to be cheaper on some planes.
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Fishhauler offline


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Thanks all
Solved the Power pack issue with a 12v model gonna stick with TC
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Fishhauler offline


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Good decision. Over the years, the number of airplanes I've helped start using a 12v car or pickup makes me glad my airplane is 12v. I've had to jump start my own airplane a number of times as well. 24v is fine if all you do is land at airports with FBOs whose carts can provide 24v, but that's not typical of back country or float flyers.
Cary
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