Inverted Four Stroke - Any Problems???  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Glow Engines >> Inverted Four Stroke - Any Problems???
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Inverted Four Stroke - Any Problems??? - 7/1/2008 9:34:40 AM   
cymaz



Posts: 52
Joined: 8/12/2007
From: Bodmin, UNITED KINGDOM
Status: offline 		Dear All

Now toying with the idea of fittting an inverted four stroke into my GP Venus .40.

Any recommendations as to which motor would really run nicely upside down. My current J'EN .57 will be moved to another project.

All the best

Cymaz

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Pressing the panic button again on the TX
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RE: Inverted Four Stroke - Any Problems??? - 7/1/2008 8:35:04 PM   
asmund


 

Posts: 1909
Joined: 11/20/2005
From: Floroe, NORWAY
Status: online 		Just about any fourstroke out there will run great inverted once tuned correctly and the tank is located at the right place. Most of my engines are inverted with absolutely no problems, no pumps/regulators are ever used either.

(in reply to cymaz)
       Post #: 2

RE: Inverted Four Stroke - Any Problems??? - 7/1/2008 8:42:49 PM   
Sport_Pilot



Posts: 7728
Joined: 1/21/2002
From: Acworth, GA, USA
Status: offline 		Make sure it is well broken in. In fact use an engine you have been using. My experiance is that new engines take about 3 gallons of fuel before they run well inverted.

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“I Saw Elvis at 1000 Feet” John Force

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RE: Inverted Four Stroke - Any Problems??? - 7/1/2008 10:04:00 PM   
Harry Lagman


 

Posts: 1153
Joined: 11/19/2003
From: Auckland, NEW ZEALAND
Status: offline 		A candidate you may wish to consider that does not care about inverted operation and tank placement, is the right weight, has lots of horsepower and is probably the best all round powerplant for the Venus .40 is the YS .63S.

(in reply to cymaz)
       Post #: 4

RE: Inverted Four Stroke - Any Problems??? - 7/1/2008 10:12:35 PM   
asmund


 

Posts: 1909
Joined: 11/20/2005
From: Floroe, NORWAY
Status: online 		That is a truly great engine, but is it not risky to purcase a engine these days that will need 30% to deliver the goods, when nitro is skyrocketing in price?

It will also run fine on 15%, just not as powerful as on 30%

(in reply to Harry Lagman)
       Post #: 5

RE: Inverted Four Stroke - Any Problems??? - 7/2/2008 10:14:36 AM   
cymaz



Posts: 52
Joined: 8/12/2007
From: Bodmin, UNITED KINGDOM
Status: offline 		Great feedback & thanks. I'll do some research on the YS .63.

Cymaz

_____________________________

Pressing the panic button again on the TX

(in reply to asmund)
       Post #: 6

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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Glow Engines >> Inverted Four Stroke - Any Problems???
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