2nd Generation Byrons  
View related threads: (in this forum | in all forums)

Tower Hobbies
Enter up to 4 keywords or Tower stock numbers
Logged in as Guest



Users viewing this topic: none
  Printable Version
       

All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC Car Engines >> Car Nitro & Gas Engines >> 2nd Generation Byrons
Page: [1]

Login
Message << Older Topic   Newer Topic >>
2nd Generation Byrons - 6/17/2008 12:08:27 AM   
Accident42


 

Posts: 5
Joined: 6/16/2008
From: centreville, VA, USA
Status: offline


this is what happens when you don't think it all through. the above destruction is from the bowels of a Force .28 pull start in an ofna LX1. a result of the fuel, the lack of accurate temperature readings, and obscenely high RPMs.


to all of those using the Byron's second generation of race nitro fuel; YOUR CAR WILL RUN COLD! do not try to warm it up to what the engine ran at with other fuels. you will just keep leaning it until the above happens.

now, this is not intended to steer people away from the stuff, it actually does what is advertised. after i repair my motor i intend to keep using the same batch of fuel, i'm just going to be a bit more careful about how open that throttle is.
       Post #: 1

RE: 2nd Generation Byrons - 6/17/2008 12:30:10 AM   
jaywax



Posts: 675
Joined: 2/15/2006
From: Austin, TX, USA
Status: offline 		I run Byrons Gen2 25% and I totally agree with your post. The fuel does actually what is stated on their website. It allows you to run leaner settings with cooler temps. You must resist the temptation to go over the edge. This is the exact reason I tune by performance and trail of smoke only. Ocassionaly I will put a drop of water on the head to ensure that I not running at some extreme temps, but that is it. I hope you stick with the fuel because it is awesome.

_____________________________

Mugen MBX5T Prospec w/STS S21T***KO Propo EX-10 Helio w/Spektrum Pro Module

(in reply to Accident42)
       Post #: 2

RE: 2nd Generation Byrons - 6/17/2008 12:38:45 AM   
JB COMP



Posts: 4089
Joined: 11/23/2006
From: Navarre, FL, USA
Status: offline 		You can always wrap the head with alum. foil to bring temps up.

I heard that Byrons measures the nitro and oil by weight and not volume. So there's less nitro and oil then what's stated, but again that's just what I heard.

_____________________________

LX Comp: STS21B, JP-3, DX3.0 - CRT: STS 30 Rev2 or Mach 427, STS 0702, DX3.0 - T-maxx: TRX2.5
Airtronics. BlueBird.

(in reply to jaywax)
       Post #: 3

RE: 2nd Generation Byrons - 6/17/2008 1:53:58 PM   
slayerphonics



Posts: 1938
Joined: 3/2/2007
From: Daytona Beach, FL, USA
Status: offline 		How old was that motor?
less then a gallon?

_____________________________

There's a right way and wrong way to do everything and the wrong way is trying to make everybody else do it the right way

(in reply to Accident42)
       Post #: 4

RE: 2nd Generation Byrons - 6/17/2008 7:33:49 PM   
Accident42


 

Posts: 5
Joined: 6/16/2008
From: centreville, VA, USA
Status: offline 		it was the 8th tank of fuel.

(in reply to slayerphonics)
       Post #: 5

RE: 2nd Generation Byrons - 6/17/2008 7:42:20 PM   
JB COMP



Posts: 4089
Joined: 11/23/2006
From: Navarre, FL, USA
Status: offline
quote:

ORIGINAL: Accident42

it was the 8th tank of fuel.


What where you doing leaning it out and running high rpms on the 8th tank?

_____________________________

LX Comp: STS21B, JP-3, DX3.0 - CRT: STS 30 Rev2 or Mach 427, STS 0702, DX3.0 - T-maxx: TRX2.5
Airtronics. BlueBird.

(in reply to Accident42)
       Post #: 6

RE: 2nd Generation Byrons - 6/17/2008 8:18:47 PM   
slayerphonics



Posts: 1938
Joined: 3/2/2007
From: Daytona Beach, FL, USA
Status: offline
quote:

ORIGINAL: Accident42

it was the 8th tank of fuel.


I figured,

Almost all the rod failures i've experinced or seen happen in the first gallon,

I wouldn't blame the fuel, you just made a mistake.

I did the same thing on a Mach, was on tank 6 or 7. exact same damage as your rod. I was just doing WOT for to long to soon in the engines life.

_____________________________

There's a right way and wrong way to do everything and the wrong way is trying to make everybody else do it the right way

(in reply to Accident42)
       Post #: 7

RE: 2nd Generation Byrons - 6/17/2008 9:23:30 PM   
jaywax



Posts: 675
Joined: 2/15/2006
From: Austin, TX, USA
Status: offline
quote:

ORIGINAL: Accident42

it was the 8th tank of fuel.


My bad. I thought this was an engine that was already broken in. The fuel had nothing to do with the damage, it was pure owner error. Do not feel bad, it happens to most people who just entered into nitro.

_____________________________

Mugen MBX5T Prospec w/STS S21T***KO Propo EX-10 Helio w/Spektrum Pro Module

(in reply to Accident42)
       Post #: 8

RE: 2nd Generation Byrons - 6/18/2008 4:35:32 AM   
downunder



Posts: 3158
Joined: 10/10/2002
From: Adelaide, AUSTRALIA
Status: online 		OK, I'll take a punt here and say it had nothing to do with temperatures or seizing the piston because there's no evidence that the piston seized. I'd say the rod seized to the crankpin from lack of oil. Note how the rod is twisted around before it broke. Byron mix fuel by weight so the advertised oil content is less than when fuels are mixed by volume. I'd be adding some castor to any Byron fuel. Castor is the ideal oil for plain bearings like on a rod.

(in reply to jaywax)
       Post #: 9

RE: 2nd Generation Byrons - 6/18/2008 5:31:57 AM   
jaywax



Posts: 675
Joined: 2/15/2006
From: Austin, TX, USA
Status: offline
quote:

ORIGINAL: downunder

OK, I'll take a punt here and say it had nothing to do with temperatures or seizing the piston because there's no evidence that the piston seized. I'd say the rod seized to the crankpin from lack of oil. Note how the rod is twisted around before it broke. Byron mix fuel by weight so the advertised oil content is less than when fuels are mixed by volume. I'd be adding some castor to any Byron fuel. Castor is the ideal oil for plain bearings like on a rod.


I would probably agree with you if this was some unknown manufacturers fuel, but it is not. Byrons is well established and is a proven winner. It was from either owner error or defective engine.


< Message edited by jaywax -- 6/18/2008 5:32:25 AM >

_____________________________

Mugen MBX5T Prospec w/STS S21T***KO Propo EX-10 Helio w/Spektrum Pro Module

(in reply to downunder)
       Post #: 10

RE: 2nd Generation Byrons - 6/18/2008 2:16:03 PM   
JB COMP



Posts: 4089
Joined: 11/23/2006
From: Navarre, FL, USA
Status: offline
quote:

ORIGINAL: jaywax

quote:

ORIGINAL: downunder

OK, I'll take a punt here and say it had nothing to do with temperatures or seizing the piston because there's no evidence that the piston seized. I'd say the rod seized to the crankpin from lack of oil. Note how the rod is twisted around before it broke. Byron mix fuel by weight so the advertised oil content is less than when fuels are mixed by volume. I'd be adding some castor to any Byron fuel. Castor is the ideal oil for plain bearings like on a rod.


I would probably agree with you if this was some unknown manufacturers fuel, but it is not. Byrons is well established and is a proven winner. It was from either owner error or defective engine.



I think fuelman said that to about the Byrons. (could be wrong though)

_____________________________

LX Comp: STS21B, JP-3, DX3.0 - CRT: STS 30 Rev2 or Mach 427, STS 0702, DX3.0 - T-maxx: TRX2.5
Airtronics. BlueBird.

(in reply to jaywax)
       Post #: 11

RE: 2nd Generation Byrons - 6/19/2008 1:41:34 AM   
j_blaze



Posts: 1432
Joined: 1/4/2007
From: Tampa, FL, USA
Status: offline 		i have ran the byrons too, awesome fuel and great temps. 20 degrees less is very common. however i did find 1 fuel better, by mistake. it actually runs cooler and leaner than gen 2 and maybe a bit faster (visually, no radar gun or anything). Maxy's 30% race blend is about 1/2 turn leaner and about 10 cooler than the byrons. i tune to performance and lean the HSN so the motor hits max rpm about mid-straight, LSN should have no bog after about 5 seconds of idle, thats race tuned. so far i've driven trinity 30%, sidewinder 30%, odonnell 30%, byrons gen2 30% and now the maxy's ad it has been the best, so far. i'm starting gallon 2 this weekend in ft lauderdale, florida rc pro race.

_____________________________

Hyper ST PRO - RB WS7III/RB S5 L2G, JR, DX3R
Cen Matrix PBS - RB S3II/STS D21B (JBModz), Ace

(in reply to JB COMP)
       Post #: 12

RE: 2nd Generation Byrons - 6/19/2008 8:37:42 AM   
ecocav04


 

Posts: 548
Joined: 4/12/2007
From: elgin, IL, USA
Status: offline 		my friends did that on the 4th tank of fuel some of them have bad rods and byrons includes a warnign label on there gallons of fuel telling you it runs alot colder then the original byrons

_____________________________

*****Jammin X1 CRT PRO*****Team Associated RC8*****

(in reply to j_blaze)
       Post #: 13

RE: 2nd Generation Byrons - 6/19/2008 6:05:33 PM   
Accident42


 

Posts: 5
Joined: 6/16/2008
From: centreville, VA, USA
Status: offline 		Sorry if i sound like i am blaming the fuel for my mistakes. i'm not. i am completely fine with claiming responsibility for this.

actually, i'm a tad proud

the rod isn't twisted at all fyi; just an optical illusion. it is bent all to hell, but still "straight" if you catch my meaning.


any advice on how i can keep the motor from getting so far passed red line next time around? i'm pretty new to the hobby (as you may have noticed) and i am ignorant as to what technology/techniques is/are available.



p.s. if the plain bearings prefer castor, then what kind of bearings prefer the synthetics in byrons?

< Message edited by Accident42 -- 6/19/2008 6:07:21 PM >

(in reply to ecocav04)
       Post #: 14

Page:   [1]
All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC Car Engines >> Car Nitro & Gas Engines >> 2nd Generation Byrons
Page: [1]