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Engine Break-In Stand - 10/2/2002 3:55:35 AM   
Graxafone



Posts: 110
Joined: 9/24/2002
From: Farmington Hills, MI, USA
Status: offline 		Is there a product that I can buy that will allow me to break in a Norvel BimgMig Sport .061? Or do I have to construct one? Either way, information would be highly appreciated. Thank You.

< Message edited by Graxafone -- Oct 2 2002 12:29AM >

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Engine Break-In Stand - 10/2/2002 4:30:01 AM   
Volfy



Posts: 3227
Joined: 1/4/2002
From: Houston, TX, USA
Status: offline 		Take a scrap piece of 2x4 and cut out a notch to fit your engine. That's it. I've being doing just that for a long time - with engines rangine from an AP .09 to chainsaw gassers with no problem. Most commercially available test stand will only accomodate a certain size range.

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Engine Break-In Stand - 10/2/2002 7:11:25 AM   
flewbyu


 

Posts: 7
Joined: 9/21/2002
From: Newton, NJ, USA
Status: offline 		I just bought the engine test stand by PSP. It's all metal (aluminum?) and it's really a nice piece of equipment. I know it probably costs more than the Norvell engine($80.00)! but you can use it on engines from .049 to 1.80 and larger!

Up till now I've used the homemade wood test stands and they do work too. But this new one................sweet!

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Engine Break-In Stand - 10/2/2002 10:47:50 AM   
Scott G


 

Posts: 342
Joined: 1/25/2002
From: San Diego, CA, USA
Status: offline 		Second the psp stand. Just got mine last month for my Saito 100... Sehr Gut!!!

(in reply to Graxafone)
       Post #: 4

engine test stand - 10/2/2002 11:23:57 AM   
Lee Belew



Posts: 440
Joined: 3/13/2002
From: Sugar Land, TX, USA
Status: offline 		Here is what the PSP looks like. For future references.

http://www.pspmfg.com/

Lee

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Engine Break-In Stand - 10/2/2002 6:07:58 PM   
Graxafone



Posts: 110
Joined: 9/24/2002
From: Farmington Hills, MI, USA
Status: offline 		Thanks. That's what I'm getting. I really appreciate your help and advice.

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Engine Break-In Stand - 10/2/2002 11:53:45 PM   
hilleyja


 

Posts: 2184
Joined: 1/7/2002
From: Salem, WV, USA
Status: offline 		3rd the PSP stand. Got mine with the pole and have used it up to a Moki 1.80.


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Jim Hilley
AMA #671825
RCCA# 758
Twist 150 Brotherhood #14

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Engine Break-In Stand - 10/3/2002 12:49:52 AM   
banktoturn



Posts: 700
Joined: 8/22/2002
From: Bloomington, MN,
Status: offline 		I've been happy with the Volfy 2x4 method. $80 buys a lot of other neat stuff.

banktoturn

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Engine Break-In Stand - 10/3/2002 2:24:32 AM   
Volfy



Posts: 3227
Joined: 1/4/2002
From: Houston, TX, USA
Status: offline 		Plus, I've yet to find a test stand that will accomodate this little jewel.

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Engine Break-In Stand - 10/3/2002 2:31:47 AM   
banktoturn



Posts: 700
Joined: 8/22/2002
From: Bloomington, MN,
Status: offline 		Volfy,

I've wanted one of the OS Wankels literally since I was a kid. How do you like it? Does it have decent power? Is it pretty trouble free? How big a plane have you used it on?

Thanks,

banktoturn

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Engine Break-In Stand - 10/3/2002 2:51:55 AM   
Volfy



Posts: 3227
Joined: 1/4/2002
From: Houston, TX, USA
Status: offline 		It doesn't belong to me (how I wish ). A friend of mine is an engine collector and bought one just because he wanted a Wankel to complete his collection. He wanted to see it run, so I helped him set it up to break it in in my backyard. It runs beautifully and probably has the power of a good BB .36 piston engine. I was surprised at how much vibration it produced though. I would have thought rotaries are much smoother. Sounds pretty much like any old 2stroke glow engine - may be a tad mellower.

The machining on it is just gorgeous to look at. It is a jewel in every sense of the word. The backplate says Graupner, so I'm not sure who produced it or if OS purchased the license to manufacture from Graupner.

Never did put it on a plane, unless... you can call the sawhorse we mounted it on "a plane". the wingloading on that thing is atrocious, consequently "the plane" never took off.

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Engine Break-In Stand - 10/3/2002 3:18:49 AM   
Elwood



Posts: 1512
Joined: 12/11/2001
From: Wayne, NJ,
Status: offline 		I drove an RX-7. It had a 1.1 liter wankel with a 4 barrel carb! VERY smooth, gotta love it!

I wish I had the cash for the OS unit...

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Engine Break-In Stand - 10/3/2002 4:08:30 AM   
Volfy



Posts: 3227
Joined: 1/4/2002
From: Houston, TX, USA
Status: offline 		I probably shouldn't fault the engine too quickly. It could very well be an unbalanced prop.

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Engine Break-In Stand - 10/3/2002 4:51:53 AM   
hilleyja


 

Posts: 2184
Joined: 1/7/2002
From: Salem, WV, USA
Status: offline 		[QUOTE]Originally posted by Volfy
Plus, I've yet to find a test stand that will accomodate this little jewel. [/QUOTE]

Though I can't fault your wisdom about the 2x4 and $80.00 (Actually my stand and pole came in at closer to $140.00), it does have an optional mounting plate designed for rear-mounted engines (most gas engine fit into that category).


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AMA #671825
RCCA# 758
Twist 150 Brotherhood #14

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Engine Break-In Stand - 10/3/2002 7:06:08 AM   
Graxafone



Posts: 110
Joined: 9/24/2002
From: Farmington Hills, MI, USA
Status: offline 		Nice Wankel. That's a rotary, right? The smallest functioning engine on Earth is the size of a stack of pennies. Go to Google and type "wrold's smallest engine." And just to let everyone know, I was originally going to get the "CBA/Tatone Engine Test Stand w/Tank" on Tower Hobbies under R/C Engine Accesories Misc.

< Message edited by Graxafone -- Oct 3 2002 1:04PM >

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Wankle - 10/3/2002 7:14:35 AM   
Lee Belew



Posts: 440
Joined: 3/13/2002
From: Sugar Land, TX, USA
Status: offline 		When the wankle was first mfg I flew two or three of them. They are really smooth. So smooth that I held one with my hands while we started it and ran it at idle only. Try that with a piston engine. The Wankle was .40 with the equivalent power of a .30. It burned an excessive amount of fuel. It is very heavy. I think the wankle was originally designed in Germany. When they gave up the Japanese bought the right to produce it. They finally gave up. The engine was too expensive to mfg. They remedied the fuel economy but more expense and weight.
That is about all I know.
Lee

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Engine Break-In Stand - 10/3/2002 6:06:55 PM   
Graxafone



Posts: 110
Joined: 9/24/2002
From: Farmington Hills, MI, USA
Status: offline 		You r