Engine Wars Thread
10-21-2003, 05:06 AM
#541
Tech Initiate
nitro sopercharger
Sounds good for squeezing more power out of your engine? Correct me if im worng but nothing is mentioned about run times.
10-21-2003, 05:15 AM
#542
Tech Initiate
What engine is everyone racing on their MTX-3?
I race with the stock engine that came with the kit. Just bought Novarossi NS12S3 JP Racing. After i break it in on the serpnet engine break-in bench i will race with the JP
What do you think about engine break-in bench? Has anyone used it?
I race with the stock engine that came with the kit. Just bought Novarossi NS12S3 JP Racing. After i break it in on the serpnet engine break-in bench i will race with the JP
What do you think about engine break-in bench? Has anyone used it?
10-21-2003, 05:29 AM
#543
Originally posted by Top Gun 777
Finaly got my Piston/sleeve/conrod sets on my hands, will post pics tonight or tommorow.
I wish some fuel company sponsor me with fuel for testing-6 sleeves and 12 pistons to test, will need 10-12 gallons
Finaly got my Piston/sleeve/conrod sets on my hands, will post pics tonight or tommorow.
I wish some fuel company sponsor me with fuel for testing-6 sleeves and 12 pistons to test, will need 10-12 gallons
. . . . . would love to sponser you - willing to supply fuel, balance of engine parts, car and driver.
10-21-2003, 05:36 AM
#544
Re: Pinch at TDC
Originally posted by JustRace
If I remove the glow plug and move the piston to TDC there's no longer a pinch. Would that definately mean it's time to get a new P/S? There's still compression with the glow plug in and I can rock it back and forth at TDC without losing compression. But I'm wondering about the pinch. Without the pinch then with the motor warm I'll probably lose compression.
If I remove the glow plug and move the piston to TDC there's no longer a pinch. Would that definately mean it's time to get a new P/S? There's still compression with the glow plug in and I can rock it back and forth at TDC without losing compression. But I'm wondering about the pinch. Without the pinch then with the motor warm I'll probably lose compression.
Our Rody has never had big static compression, but it goes like a cat with turpentine on it's whatchamacallits.
10-21-2003, 07:17 AM
#545
Piston/sleeve sets
Hi guys. Here are pics for my new P/S sets.
On the right side is ABC construction and left side is Berilium brass for sleeve. Centre is AAC
On the right side is ABC construction and left side is Berilium brass for sleeve. Centre is AAC
10-21-2003, 07:18 AM
#546
P/s sets
Here other pic
10-21-2003, 07:19 AM
#547
P/S set
last pic
Different color means different material, Berilium brass is darker and much more hard to work with.
Conrods have eleptical profile insted of sharp knife as common, hope no need to explane why.
Different color means different material, Berilium brass is darker and much more hard to work with.
Conrods have eleptical profile insted of sharp knife as common, hope no need to explane why.
10-21-2003, 07:31 AM
#548
Originally posted by Taylor-Racing
. . . . . would love to sponser you - willing to supply fuel, balance of engine parts, car and driver.
. . . . . would love to sponser you - willing to supply fuel, balance of engine parts, car and driver.
10-21-2003, 08:10 AM
#549
Re: Re: Pinch at TDC
Originally posted by Taylor-Racing
Don't forget that when warm, the piston will expand more than the liner.
Don't forget that when warm, the piston will expand more than the liner.
Obviously everything I know about engines could be scratched on the back of an asprin with a crow bar.
10-21-2003, 08:11 AM
#550
Originally posted by czotalis
What engine is everyone racing on their MTX-3?
I race with the stock engine that came with the kit. Just bought Novarossi NS12S3 JP Racing. After i break it in on the serpnet engine break-in bench i will race with the JP
What do you think about engine break-in bench? Has anyone used it?
What engine is everyone racing on their MTX-3?
I race with the stock engine that came with the kit. Just bought Novarossi NS12S3 JP Racing. After i break it in on the serpnet engine break-in bench i will race with the JP
What do you think about engine break-in bench? Has anyone used it?
10-21-2003, 08:18 AM
#551
Re: P/S set
Originally posted by Top Gun 777
last pic
Different color means different material, Berilium brass is darker and much more hard to work with.
Conrods have eleptical profile insted of sharp knife as common, hope no need to explane why.
last pic
Different color means different material, Berilium brass is darker and much more hard to work with.
Conrods have eleptical profile insted of sharp knife as common, hope no need to explane why.
Presumably the elliptical profile is more aerodynamic than the typical knife edge, but maybe a little heavier?
. . . . and I notice an oil hole for the gudgeon pin?
10-21-2003, 09:34 AM
#553
Tech Adept
iTrader: (2)
Originally posted by Top Gun 777
In my opinion this is the best and only one right way to run in engine. With right propeller you will keep heat cyckling in right level.
In my opinion this is the best and only one right way to run in engine. With right propeller you will keep heat cyckling in right level.
But a stand would be more convenient since I wouldn't need the car or the space a car requires. I've been thinking of making my own stand, Serpent's is way too expensive. What's the best prop?
10-21-2003, 09:56 AM
#554
Originally posted by Surge
So what about wearing in the engine under the load it will be used, as in driving it in the car. I like to put the engine in the car, run a tank on the starter box to get a carb tune to starting temp. Then put the car down and run it partial throttle so the engine is driving the drivetrain.
But a stand would be more convenient since I wouldn't need the car or the space a car requires. I've been thinking of making my own stand, Serpent's is way too expensive. What's the best prop?
So what about wearing in the engine under the load it will be used, as in driving it in the car. I like to put the engine in the car, run a tank on the starter box to get a carb tune to starting temp. Then put the car down and run it partial throttle so the engine is driving the drivetrain.
But a stand would be more convenient since I wouldn't need the car or the space a car requires. I've been thinking of making my own stand, Serpent's is way too expensive. What's the best prop?
10-21-2003, 09:59 AM
#555
Re: Re: P/S set
Originally posted by Taylor-Racing
Since we've established I know nothing about engines, I guess I can ask . . .
Presumably the elliptical profile is more aerodynamic than the typical knife edge, but maybe a little heavier?
. . . . and I notice an oil hole for the gudgeon pin?
Since we've established I know nothing about engines, I guess I can ask . . .
Presumably the elliptical profile is more aerodynamic than the typical knife edge, but maybe a little heavier?
. . . . and I notice an oil hole for the gudgeon pin?