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Gas Engines and Power Discuss all aspects of giant scale power systems

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Old 02-10-2006, 05:09 AM   #1 (permalink)
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Default 3W 157 issues?

Has anyone heard of any issues with this engine? Haven't seen many reports. chris
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Old 02-10-2006, 07:17 AM   #2 (permalink)
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Default Re: 3W 157 issues?

I have 2 of the engines, 157 cs & 157 ts. Both are some of the best engines ive ever ran, my twin spark swings a 33 x 12 beila at 5000 rpms. on pipes great for imac.. i had my comp version in a 40% yak that weighted 47 lbs and it pulled the crap out of it. my first motor had a leak on the top of the case but was fixed and havent seen the problem again.. no real other problems just good stuff about the engines..

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Old 02-11-2006, 07:56 AM   #3 (permalink)
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Default Re: 3W 157 issues?

Thanks for the info! I have a std. 157 NIB for a Carden 260 that will be finished in the spring and have been debating with myself whether to use it or put one of
my trusty DA's in it. chris
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Old 02-13-2006, 04:56 PM   #4 (permalink)
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Default Re: 3W 157 issues?

Spgbob. . I have a DA150 on KS1090's that is turning the 33-12 H.Fuchs 2-blade and 30-12 Biela 3-blade at 5400. My 3W150 TOC turns about the same numbers using Pefa canisters. I thought the 157's were supposed to have more grunt than that, as in 300+ rpm stronger.
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Old 02-13-2006, 06:05 PM   #5 (permalink)
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Default Re: 3W 157 issues?

Kris, the 157 and pipes he has used to be mine, as well as the biela 33x12. There is no comparison between the biela 33x12 and the fuchs 33x12, the size of the biela dwarfs the fuchs. It is a true equalizer of motors.
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Old 02-13-2006, 06:19 PM   #6 (permalink)
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Default Re: 3W 157 issues?

So, how hard would the DA or 3W150 turn the 33-12 biela? Anyone have any idea?

Let's compare the same props. I'd like to see if the $300+ extra cost of the 157 is actually worth it.
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Old 02-13-2006, 10:50 PM   #7 (permalink)
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Default Re: 3W 157 issues?

Quote: Originally Posted by KrisW
So, how hard would the DA or 3W150 turn the 33-12 biela? Anyone have any idea?

Let's compare the same props. I'd like to see if the $300+ extra cost of the 157 is actually worth it.
You have already, they look prettier lol
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Old 02-13-2006, 11:07 PM   #8 (permalink)
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Default Re: 3W 157 issues?

I heard that the 157 rips the new 3w 3d prop on the up lines .... I dont think a da 150 or standard 3w 150 will even rip it at all
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Old 02-13-2006, 11:47 PM   #9 (permalink)
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Default Re: 3W 157 issues?

i just got back from the field with a friend, who is also on the giants. we will speak up here tomorrow after seeing the post, i ran the 3w 3d prop today and was so loud i had to take it off. ill get a number tomorrow on the prop, here is a pic of the beila prop.. also i had a 32 x 12 fuks prop on the 157 cs on pefa's it tacked well over 6000 rpms.. flyinrazorback can post some numbers with the motor when it came out of the box. i havent ever seen a motor quite like this one..

kevin
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Old 02-15-2006, 07:48 PM   #10 (permalink)
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Default Re: 3W 157 issues?

I have a 157 Comp. that I'd be willing to sell if anyone is interested. I'll be bringing it with me to the JR Challenge to sell.

Mike
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Old 02-15-2006, 08:10 PM   #11 (permalink)
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Default Re: 3W 157 issues?

Quote: Originally Posted by Mike B.
I have a 157 Comp. that I'd be willing to sell if anyone is interested. I'll be bringing it with me to the JR Challenge to sell.

Mike
Mike, how used is the 157? any issues with it? And how much?
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Old 02-16-2006, 08:56 AM   #12 (permalink)
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Default Re: 3W 157 issues?

The engine has about 10 gallons run through it after a complete rebuild from Gerhard. The engine some how ingested something and scored one of the cylinders. Gerhard replace both pistons, rings and one cylinder. After the rebuild the engine ran great!

I was using it in my 3.3m yak but took it out when I decided to rip it out and install a 3W212. The 157 was really enough power but the 212 is just awsome.

I'd like to get $1650 for the engine. I don't have any mufflers for it but I do have a set of SS KS headers that I am willing to sell as well. I'd have to look at what I paid for them but will sell them for 1/2 of that price.

Mike
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