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Need more power which 42 -46cc to convert - 8/16/2012 3:16 AM   
oddy


 

Posts: 320
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Joined: 5/30/2003
Last Login: 6/5/2013
From: Mexico city, MEXICO
Status: offline 		Hello Everyone.

I´m really happy with my 33cc Mitsubishi conversion but definitively I need more power on my Stick kind plane to be able to have fun and do better aerobatics and perhaps some 3D with it.

Im going to get a 40 to 46cc chainsaw and I would like to hear your advice before taking a decition.

- Is there an RPM or weight difference between POULAN 42 and POULAN 46cc
- If going to a 46cc size engine should I better get a 52cc one
- Have any of you heard of Shimaha engines

Any expertise with this size of weedwacker engines and its convertion as well as which airplanes are you using them on will be greatly appreciated.

Regards.
Víctor (Oddy)

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If I say that the Burra is Prieta is because I have the pelos in my hand.

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RE: Need more power which 42 -46cc to convert - 8/16/2012 4:22 AM   
tkg


 

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From: Riverton, WY, USA
Status: offline 		The Poulan 42 and 46 are completly different engines. The 46 has more power, but is harder to convert (intake manifod)
46 or 52cc?? depends on which brand
Maybe Shindawa???
TKG

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Too much power is just about right.

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RE: Need more power which 42 -46cc to convert - 8/16/2012 4:41 AM   
KenLambert



Posts: 834
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From: Livingston, TX, USA
Status: offline 		I Make a manifold for the 46 that is a press fit with JB and have never had one come lose or leak, it solves the major work on that conversion.


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RE: Need more power which 42 -46cc to convert - 8/16/2012 5:29 AM   
Scota4570


 

Posts: 800
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Joined: 1/8/2009
Last Login: 6/16/2013
From: Salinas, CA, USA
Status: offline 		The Echo SB-1080 shortblock is the basis of the BME 50. If you are going to buy something then buy one of these. Of the 20 or so conversions I have done this is the best by a mile. It has everything going going for it. It is light weight, beam mount, and no goofie carb attachment work arounds. If you want you can buy everything you need to "convert". Get a NOS 13 or 15mm walbro carb that has an accelerator pump. Check on EBAY for a NOS carb.

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RE: Need more power which 42 -46cc to convert - 8/17/2012 8:57 PM   
av8tor1977



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From: Lukeville, AZ, USA
Status: offline 		The Poulan 42 and 46cc engines come out of chain saws. As you said, the 46cc engine needs to have an intake manifold made, but it is the better engine. More power and a good bit lighter as well. The 42cc engine is ok, but does weigh more, and you must convert it to electronic ignition. The coil for the magneto ignition mounts in the saw; not on the engine for the 42cc. So you can't use the factory magneto on the 42cc.

AV8TOR

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If it is not SCARY, it is NO WHERE NEAR powerful enough!!

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RE: Need more power which 42 -46cc to convert - 8/30/2012 7:44 PM   
oddy


 

Posts: 320
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Joined: 5/30/2003
Last Login: 6/5/2013
From: Mexico city, MEXICO
Status: offline 		Thanks everyone very much

You prevent me from taking a wronk decition

Víctor.

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If I say that the Burra is Prieta is because I have the pelos in my hand.

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All Forums >> Glow Engines, Gas Engines, Fuel &amp; Mfg Support Forums >> Engine Conversions >> Need more power which 42 -46cc to convert
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