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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Glow Engines >> New OS .35AX
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New OS .35AX - 4/6/2008 12:05:54 PM   
CustomPC


 

Posts: 345
Joined: 4/19/2004
From: SydneyNSW, AUSTRALIA
Status: offline 		Hi,

I was just looking at OS's Japanese website and saw that they've released a .35AX.

http://www.os-engines.co.jp/english/index.htm

http://www.os-engines.co.jp/english/0803e/max35ax/index.htm

Here are the specs

Displacement：5.77cc/0.352cu.in
Bore: ：20.2mm /0.795in
Stroke：18.0mm /0.709in
Weight (Engine)：280g /9.88oz. (SilencerE-3080): ：83.0g/2.93oz
Power Output 1..3ps/16,000r.p.m.
Practical RPM 2.500～17,000r.p.m.
Suggested propeller sizes
APC RPM for reference
10x6 : 12.900
10x7 : 12,200
11x6: 11,000
12x6 : 9,200
       Post #: 1

RE: New OS .35AX - 5/1/2008 3:47:59 PM   
victorzamora


 

Posts: 495
Joined: 10/16/2006
From: Mt. Airy, NC, USA
Status: offline 		Any idea on when it'll be on Tower Hobbies? I have a Sig Wonder I'm about to order that will be a great fit for it .

(in reply to CustomPC)
       Post #: 2

RE: New OS .35AX - 6/3/2008 9:53:30 PM   
Strykaas



Posts: 3900
Joined: 3/21/2003
From: Paris, FRANCE
Status: offline 		Isn't it a big too fat for a wonder ? Heavier than the .32SX that already was a bit too heavy... My wonder flies VERY nicely on a .15LA ... not the fastest ship though.

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       Post #: 3

RE: New OS .35AX - 6/3/2008 10:06:31 PM   
rainedave



Posts: 4759
Joined: 7/21/2005
From: Greensboro, NC, USA
Status: offline 		Dean Pappas wrote about this issue - the Domino Theory - in the the latest MA.

David

(in reply to Strykaas)
       Post #: 4

RE: New OS .35AX - 6/3/2008 11:06:03 PM   
Broken Wings



Posts: 403
Joined: 1/15/2003
From: Port Saint John, FL, USA
Status: online 		The .32SX has been discontinued....

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John

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       Post #: 5

RE: New OS .35AX - 6/3/2008 11:19:11 PM   
victorzamora


 

Posts: 495
Joined: 10/16/2006
From: Mt. Airy, NC, USA
Status: offline 		Exactly why I want the 35 on there. For no other reason. Really, it's not about the speed.

Seriously though, isn't the 35AX more of a torque engine than the hot little 32 was? I mean, one of the recommended prop sizes is a 12x6. That's what my 55ax spun before I sold it (hopefully still does). It turned up 1000's of RPM's higher...but still, the torque! I think this one is meant more for something like a Swany Taco or a Mojo 30. Am I totally off my rocker or what? It seems like the 55, 75, and 120 are all torque...but my 46 is a nice, hot motor

(in reply to Broken Wings)
       Post #: 6

RE: New OS .35AX - 6/3/2008 11:23:48 PM   
rainedave



Posts: 4759
Joined: 7/21/2005
From: Greensboro, NC, USA
Status: offline 		Hmm... I almost forgot I have a Taco short kit sitting around somewhere. I'll be watching Tower, too.

David

(in reply to victorzamora)
       Post #: 7

RE: New OS .35AX - 6/4/2008 12:46:51 AM   
Dsegal


 

Posts: 1724
Joined: 10/20/2002
From: Philadelphia, PA, USA
Status: offline 		An OS.15 CV-A would make the Wonder a rocket. Why hang a huge engine on it?

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Dave Segal

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       Post #: 8

RE: New OS .35AX - 6/4/2008 8:18:47 PM   
Strykaas



Posts: 3900
Joined: 3/21/2003
From: Paris, FRANCE
Status: offline
quote:

ORIGINAL: Dsegal

An OS.15 CV-A would make the Wonder a rocket. Why hang a huge engine on it?

Well said. However that engine is rather expensive ! More than the 46 AX !

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       Post #: 9

RE: New OS .35AX - 6/4/2008 8:20:02 PM   
Strykaas



Posts: 3900
Joined: 3/21/2003
From: Paris, FRANCE
Status: offline 		Interesting... just check the prices

http://www3.towerhobbies.com/cgi-bin/wti0095p?FVPROFIL=&FVSEARCH=35AX+++&search=Go

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       Post #: 10

RE: New OS .35AX - 6/5/2008 1:18:11 AM   
on pipe



Posts: 225
Joined: 12/9/2004
From: Omaha, NE, USA
Status: offline 		Good thing you don't have to build them with parts, they total around $320! Definitely a throw-away engine! On another note, isn't it weird how engine sizes have come full circle? .35's used to be a popular size, and everything moved up to .40 size. .40 got to be old hat and .46 and .50 size engines became the norm. Now it's a new .35 and .55 by OS. Maybe I'll keep my .40-.46 engines for when they become popular again. Ross

(in reply to Strykaas)
       Post #: 11

RE: New OS .35AX - 6/5/2008 1:34:25 AM   
CustomPC


 

Posts: 345
Joined: 4/19/2004
From: SydneyNSW, AUSTRALIA
Status: offline 		What's cool is that the .35 will perform better than the older .40's and the .55 is right up there with the .61's.

I'm a real fan of the AX line. I've had the .55 and .75 and a 1.20 is being delivered today.

Both of my AX's have been so easy to use and reliable. The .55 especially is a real powerhouse. I would not hesitate to buy another if my next project calls for that engine size.

(in reply to on pipe)
       Post #: 12

RE: New OS .35AX - 6/5/2008 3:25:20 AM   
rainedave



Posts: 4759
Joined: 7/21/2005
From: Greensboro, NC, USA
Status: offline 		Yes, I think OS stumbled with the FX line but have finally gotten back on track. I love the SF line that preceded the FX's. And now, I also think the AX's are great.

David

(in reply to CustomPC)
       Post #: 13

RE: New OS .35AX - 6/5/2008 6:16:35 AM   
victorzamora


 

Posts: 495
Joined: 10/16/2006
From: Mt. Airy, NC, USA
Status: offline 		I've never had a bad experience with an FX motor either. Only ones that have bugged me were LA series because they had like NO power, but they were meant to be light, cheap motors that didn't produce as much power as other engines of the same displacement. Also, I had a 46AX that was running weird...but then I woke up and realized it was all just a really bad dream .

(in reply to rainedave)
       Post #: 14

RE: New OS .35AX - 6/5/2008 8:47:18 PM   
draftman1


 

Posts: 304
Joined: 9/4/2007
From: Strathmore, CA, USA
Status: offline 		what will be next??? i hope its about a 25 size. that size is used in alot of applications. Also for open B combat, a 25 to 29 would be great!! in open B there is a .30 limit

(in reply to victorzamora)
       Post #: 15

RE: New OS .35AX - 6/5/2008 11:35:06 PM   
Ed_Moorman



Posts: 3647
Joined: 1/5/2002
From: Shalimar, FL, USA
Status: offline 		Since the newest engine is going to be a .35AX, I would guess that the next one would be something like a .95AX. This is right between the .75AX and the 1.20AX.



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R/C Report Magazine, Fun Aerobatics Column

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