A123 radial

A123 radial (Full Version)

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dirtybird -> A123 radial (5/10/2008 6:24:26 PM)
The latest Dick Watz column in RCR has a picture of a dummy radial engine made from 10 Ni-Cd cells. This technique seems a natural for A123 cells. I am going to make a 5 cylinder dummy radial for my Lazy Ace. It will be a 8s1p battery. I will make one cylinder with 1" dowel since my ECS will not take more than 8 cells.

Tex Gehman -> RE: A123 radial (5/17/2008 10:09:47 PM)
Why the dummy cell? Radial engines have an odd number of cylinders in each bank. Tex.

dirtybird -> RE: A123 radial (5/18/2008 4:28:00 PM)
There are radial engines with an even number of cylinders. (6). I have finished the engine. For each of the five positions I have two cells except at the bottom two where I have a dummy cell. I have an 8s1p battery. The dummy cells make a good place for the connections. It looks like a real radial engine if you don't get too close. I will post pictures if I can get my camera to take a decent picture of it. I plan to fly it on a 60" Lazy Ace. It solves the problem of where to put all of those batteries and keep them cool. I am thinking of a DR1 with 9 cylinders

Tex Gehman -> RE: A123 radial (5/18/2008 6:39:39 PM)
quote: ORIGINAL: dirtybird There are radial engines with an even number of cylinders. (6). Interesting. What would be the firing order on a six? Tex.

dirtybird -> RE: A123 radial (5/18/2008 9:55:15 PM)
quote: ORIGINAL: Tex Gehman quote: ORIGINAL: dirtybird There are radial engines with an even number of cylinders. (6). Interesting. What would be the firing order on a six? Tex. I have no idea. I did a google search on 6 cylinder radial engines and found at least three types. One is the Sadler ultra light engine. It didn't say what the fireing order was.

dirtybird -> RE: A123 radial (5/18/2008 10:08:55 PM)
Pictures of the engine I made

dick Hanson -> RE: A123 radial (5/19/2008 1:22:52 AM)
Now that's a hoot ! One could do a plausable model of a Le Rhone-Rotary- which actually spun think about it - IFyou are into the new Spektrum2.4 radio- you could include a rx in the engine setup with two rx type such as the 6100 it may work even in the proximity of the batts and motor or - make a good "signal " from the ESC(in the motor assy ) to the rx. Scale guys should love this .

Tex Gehman -> RE: A123 radial (5/19/2008 2:28:43 AM)
Interesting. What would be the firing order on a six? Tex. [/quote] I have no idea. I did a google search on 6 cylinder radial engines and found at least three types. One is the Sadler ultra light engine. It didn't say what the fireing order was. [/quote] Ah! The Sadler is actually 2 banks of three cylinders. That makes sense to me now. A single bank of six cylinders in four stroke cycle wouldn't work. Tex.

theradioflyer -> RE: A123 radial (5/19/2008 3:32:40 AM)
This is a brilliant idea! Not only does it give it a scale look but it places all of the weight up front where you need it.[8D] God Bless! Jay

Mr. Mugen -> RE: A123 radial (5/19/2008 3:47:27 AM)
I love it! Would look great on a Fokker!

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