Re: KRnet> Batteries, final thoughts

2024-05-26 Thread shafferj455js
Hi Stef, I got my PPL in 1978, at Port Columbus International Airport ( CMH ) ,Ohio. My flight instructor, was a Radio Repairman in the Air Force, and also a Double I. Shortly after, he moved to Florida, for a civilian job. Upon completion of my KR-2, I was stationed at Tinker AFB, in Oklahoma. In

Re: KRnet> Batteries, final thoughts

2024-05-26 Thread Stef den Boer via KRnet
Hi MR Shaffer, I am so happy with the PH-TDB. It flyes like an fighter. After 150 hours still happy. Stef > Op 17-05-2024 15:46 CEST schreef shafferj45...@twc.com: > > > Hi Stef. Beautiful Craftmanship on PH-TDB. It must be an absolute joy to fly. > > > Steph and his dad are build

KRnet> Batteries, final thoughts

2024-05-17 Thread Oscar Zuniga via KRnet
I'll just jump in with my two cents on this discussion. I'm a licensed, registered fire protection engineer, also licensed in mechanical and electrical engineering. I'm not a battery expert but I hope I know enough NOT to be dangerous. Fire protection of all these new sorts of batteries is a

Re: KRnet> Batteries, final thoughts

2024-05-17 Thread shafferj455js
Hi Stef. Beautiful Craftmanship on PH-TDB. It must be an absolute joy to fly. Steph and his dad are building the KR-2S see http://www.masttotaalconcept.nl/kr2 [1] Links: -- [1] http://www.masttotaalconcept.nl/kr2 -- KRnet mailing list KRnet@list.krnet.org https://list.krnet.org

Re: KRnet> Batteries, final thoughts

2024-05-17 Thread Stef den Boer via KRnet
I have 2 batterys. Because I fly with a injection system and no mechenical fuel pump. (2 electtrical) I am very happy with the system. Never run a empty battery. see the link below, I made 2 boxes for fire prevetion, and a temp indication that gives a alarm above 40 degree. http://www.masttotaalc

Re: KRnet> Batteries, final thoughts

2024-05-16 Thread Luis Claudio via KRnet
I agree John. It sure helps to know how to calculate battery needs... so when I apply the engine cubic centimeters to cubic inch calculator it will return the engine displacement value, such that: V = 4 * 250 * π * 50² / 4 = 1,963,495 mm³ = 119.82 Cu. In. So, using Larry's rule of thumb as 1 cu

Re: KRnet> Batteries, final thoughts

2024-05-16 Thread kr2s
Larry, This is a really good post. Thank you for sharing your knowledge on this topic. John Bouyea / OR81/ Hillsboro, OR N133RM KR-2S – imported, fixed & flying www.bouyea.net/N133RM -Original Message- Finally, on the batteries we use in the airplane, car, portable radio, GPS, cell phone

KRnet> Batteries, final thoughts

2024-05-16 Thread Larry Flesner via KRnet
Finally, on the batteries we use in the airplane, car, portable radio, GPS, cell phones, etc., we want the hottest (most powerful) battery available.  But, there is no reason to go overboard , pay more money than necessary, if you have unnecessary capacity that you don't use. You airplane /