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Do we go back to the paddock

rankamateur

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#41
Pull a twin cylinder B&S off the job after two or three years from new, replace it with a Kohler twin and forget it for twenty years, yet from the outside they look so similar.
 

Downunder

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#42
Weight and power being a major driving force for aviation use. I'm not sure how they stack up.
Something can run for 20 years but weigh a ton.......

The B and S has already been used in aviation conversions and performance parts are available from mower racing and "mud" boats.....
 

Keenaviator

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#43
When I mentioned at B & S being used in the Backyard Flyer, I was generalising. It may well be a kohler.... Also I wasn't saying the backyard flyer was a 7k machine when it was brought to our attention that it is in fact 19k. A cluey bloke might be able to build something like this from plans for a lot less than 19k.
 

Ron5335

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#44
Trust me from inside the industry as well as have been hands on inside most of them, Robin (Subaru) all the way, head and shoulders above the rest.
Hey bexbetter,

Before singing the praises of Subaru (Robin)

Go to Bunnings and look at the ubeaut Ryobi lawnmowers

Ryobi (Once recognised as a Japanese company) proudly displaying it's name, are now teaming up with Subaru (Another famous Japanese icon) together, they are offering a SUBARU EX190V as the powerplant for this mower.

Go a bit deeper, and you read that Ryobi is a registered name and is being used under licence, and then you read the all more familiar words "Made in China"

So in reality, (And lets call them the Ding Dong Motor Company in China) are working 4 hours a day to produce Subaru EX190V enines (Under Licenseof course) and the rest of the day they make the Ding Dong 190cc Vertical 4 Stroke engine that they sell for 1/4 of the price.

Then in bars around the world, arguments will break out from Subaru EX190V owners, about how bad and cheap the Ding Dong 190cc Vertical 4 Strokes are.. and at the end of the day.... What interests (Other than financial) do Ryobi and Subaru have in the manufacture of this mower?

Same situation exists with Oregan. Once a famous Canadian Company dealing in all forms of chainsaws. Now it's reached the point that the Chinese are advertising their "Cheap"

chainsaws have an Oregan Bar and blade........ DERR !!!!! The whole lot is MADE IN CHINA, but still the arguments prevail on who makes the better product.
 

bexrbetter

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#46
The whole lot is MADE IN CHINA, but still the arguments prevail on who makes the better product.
Yeah, because there's just one big factory in China that everything comes out of ..... /sarcasm.

Please consider how silly and narrow it is for anyone to proffer that everything made in a particular country will be of the same quality level based purely because it's made in that country.

"

So in reality, (And lets call them the Ding Dong Motor Company in China)
No "Bruce", lets call them Subaru Industrial Power Products (China), a Joint Venture company with Toyota Tsusho (China) Co., Ltd.

DUH!!!!!
 
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bexrbetter

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#47
My Briggs and Stratton Quattro 40 push mower was purchased in 1997 or there abouts. Still gong strong, starts first pull.
Ever sat down and figured how few hours your mower has actually been used?

I'm not a fan of B&S, worked on many of them as an apprentice. They are made for a purpose, cheaply and very roughly and at their peak Briggs were making 80,000 engines per 24 hours out of their 3 American factories. They are down to about half of that now.

Of course your going to get the "I bought one in 1922 and haven't even changed the spark plugs yet" ones, hell I know a guy who bought a Lada Niva brand new and still drives it daily, but I have seen the B&S that come back after just a few hours as well - and there's very few Lada Nivas still running today.

From experience and actually having had most of them apart, I'll stick with Robin thanks.
 

dazza 38

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#48
M
Ever sat down and figured how few hours your mower has actually been used?

I'm not a fan of B&S, worked on many of them as an apprentice. They are made for a purpose, cheaply and very roughly and at their peak Briggs were making 80,000 engines per 24 hours out of their 3 American factories. They are down to about half of that now.

Of course your going to get the "I bought one in 1922 and haven't even changed the spark plugs yet" ones, hell I know a guy who bought a Lada Niva brand new and still drives it daily, but I have seen the B&S that come back after just a few hours as well - and there's very few Lada Nivas still running today.

From experience and actually having had most of them apart, I'll stick with Robin thanks.
Mine has done a bit, I owned a acre and mowed it. Around two hours 30 minutes to mow, did that every weekend for 3 years. Then used it for approx 40 minutes each weekend every since.
 

Garry Morgan

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#49
A 40hp subaru motor v twin. Is the biggest one anyone knows of. If we could get a good cheap motor a two seater could be done. A twin engine aircraft would be good but for the legal side. There any many manfactures of the v twin motors that are cost effect and have good products. just most of them are low hp. There is some good info coming out of this thread.
 

geoffreywh

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#51
I thought the 1/2 VW was a good idea. VERY cheap, lots of good bits available. All "do it yourself"....They look great and perform well on the "Legal Eagle"
 

facthunter

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#54
"Based on" is where it goes wrong. Most people who do that wish they had dome what I suggest. Compromised by the faults from the original engines design.. is where it ends up.. Nev
 

planesmaker

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#57
1/2 VW is a bit heavy for the low power it puts out. I'd look at a v twin with reduction drive with a large slow turning prop. Maybe a future project after the current 3 projects. Tom
 

facthunter

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#58
I believe the V twin will have less driveline problems even though the firing pulses are not as even.. 45 HP is only for single seat unless its a pretty high aspect ratio jigger. Look up DH 53.. They flew with 26 HP. as a Blackburn Vee twin power unit. Blackburn are also called Cirrus in aviation products. Nev
 

bexrbetter

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#59

Garry Morgan

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#60
The 18hp v twin flyies a quicky at 90kts and a single seat goes very well like a 40hp rotax.
I expect a 40hp v twin will fly a two seater, or a three seater ground effect machine. A two seat cub type aircraft, all alloy tube rivited together, and fabric covered could be a very cheap aircraft. You could put in a VW also