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Originally Posted by Ballistik Mods
(Post 7354306)
This a great subject .
The original idea was to lighten the crank and silicone putty was a good way of filling the hole left from drilling.Manufacturers noticed a positive effect in shaping the silicone. Thats why MAX is still using 14mm crankshafts and not the 14.5mm
Originally Posted by Ballistik Mods
(Post 7354306)
The use of putty is not to save on tooling wear. shaping the crank in its original form rather than using silicone is pointless as the original objective was to lighten the crank in aid of quicker spooling .:nod:;)
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Originally Posted by Roelof
(Post 7354862)
If you want to lighten a shaft for less mass rotation you must take it from the outside and not from the center....
Thats why MAX is still using 14mm crankshafts and not the 14.5mm Actually it does save time and tools to create such a shape directly in the crankshaft. Producing in large numbers (60.000 a year regarding their promo movie) a short machine time and less maintenance and recalibration is wanted |
Originally Posted by Roelof
(Post 7354862)
If you want to lighten a shaft for less mass rotation you must take it from the outside and not from the center....
Thats why MAX is still using 14mm crankshafts and not the 14.5mm Actually it does save time and tools to create such a shape directly in the crankshaft. Producing in large numbers (60.000 a year regarding their promo movie) a short machine time and less maintenance and recalibration is wanted As far as saving tooling. how is that possible it requires more programing additional cutters and time aslo machine servicing to cut the shape direrectly calibration is required for both methods . Max power used the 14mm crank because they required more mass on the delivery end so that there efforts to balance the crank was easier to achieve . |
An object traveling in a circle behaves as if it is experiencing an outward force. This force, known as the centrifugal force, depends on the mass of the object, the speed of rotation, and the distance from the center. The more massive the outer object, the greater the force; the greater the speed of the object, the greater the force; and the greater the distance from the center, the greater the force.
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As i said lightening the crank reduces overall weight and reduces mass.
Newtons law of physics lighter the action lighter the reaction |
Originally Posted by Ballistik Mods
(Post 7355784)
As i said lightening the crank reduces overall weight and reduces mass.
Newtons law of physics lighter the action lighter the reaction |
i might not know about engines but i do know my physic's :p
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Originally Posted by Alex Siddique
(Post 7356155)
which one of newwy laws is that. Cos lightening the crank actually reduces the mass which hence reduces the weight .. ... and newton never wrote any laws of physic he wrote laws of motion . :lol::lol::lol::lol:
Originally Posted by Alex Siddique
(Post 7356181)
i might not know about engines but i do know my physic's :p
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newtons law
Newton used physics and motion to create the three laws.
Reduce weight reduces mass ,reduce mass reduces weight.mass is the total matter.;) reducing either reduces both |
I don't really care about ramp vs. no ramp.... these engines make more power than 95% of drivers can use. My point is that if the silicon comes loose while running- kiss your engine bye bye....it will hose the p/s and likely the rear bearing at least.
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Originally Posted by cdelong
(Post 7356760)
I don't really care about ramp vs. no ramp.... these engines make more power than 95% of drivers can use. My point is that if the silicon comes loose while running- kiss your engine bye bye....it will hose the p/s and likely the rear bearing at least.
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lets end all this speculation and theorys on why Novarossi use this silicon in the shafts. To quote them on their web site, The inlet has a silicon filling to reduce the weight of the crankshaft to improve acceleration. Go to Novarossi site click on Nova Flash engine then click features and this is under crankshaft. Regards Martin.
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Originally Posted by martinh
(Post 7358460)
To quote them on their web site, The inlet has a silicon filling to reduce the weight of the crankshaft to improve acceleration. Go to Novarossi site click on Nova Flash engine then click features and this is under crankshaft. Regards Martin.
As also they let you think you need 9 intake ports to go fast....... Yes, they never gonna tell they have found a cheaper production to make more profit. No, they tell you the new piston is better and the filling works better..... Ok, lets end this but Alex Siddique is right about rotating mass.... |
Does somone know if the Nova head buttons 28022 and 28022/01 are interchangable? The 28022 is specified for the 35+21 Collari Cordoba and the 28022/01 for the Collari 09 or the Flash. Can not see a difference between them...
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Originally Posted by BLKNOTCH
(Post 7345847)
Hello guy's and gal's, I have just opened my 353 09 for the first time since running the car last summer. I found that when turning the crank by hand it seamed a bit notchy, so I tore it completely apart. I found there was a large amount of orange residue on the conrod and at the top of the piston along with a black center on the piston, it also seems that the front bearing is a bit gritty, can I clean the front bearing with brake clear or something to that degree to get the grit out? or is this a sign that a new front bearing is needed? the main bearing still seams smooth with no roughness to it at all. I have pics and will post but the battery on my camera just died LOL.(Charging now) I run the engine with Byrons 20% Race 2000 Gen2 fuel and keep the temp between 240 deg and 280 deg when racing. I did not find there to be any slop in the conrod to crank bushing but I am just a bit worried about the orange colour.
Thanks guy's Sean http://i100.photobucket.com/albums/m...eakdown001.jpg http://i100.photobucket.com/albums/m...eakdown003.jpg http://i100.photobucket.com/albums/m...eakdown004.jpg http://i100.photobucket.com/albums/m...eakdown005.jpg http://i100.photobucket.com/albums/m...eakdown006.jpg http://i100.photobucket.com/albums/m...eakdown007.jpg Wow! of the 9 years I've been doing this I've never seen a engine internals look this bad... I've ran about 3 gallons of Byrons Gen 2 in my engine and it looked nothing like this. I'm surprised there isn't more damage .. |
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