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Search: Posts Made By: NitroVein
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Yesterday, 04:51 PM
Replies: 5
Views: 120
Posted By NitroVein

Triton as well. Those are the brands usually...

Triton as well. Those are the brands usually found in the US, in Europe there are a couple more (Sonic, TBR, VOX, MW).
Might be some that makes seals for different brands that has something, but...
Yesterday, 04:10 AM
Replies: 2,690
Views: 560,910
Posted By NitroVein

It's usually noticeable if you can get the weight...

It's usually noticeable if you can get the weight down on the drive train, but the closer to the engine the bigger the impact will be. But as the cars respons gets quicker any excessive wheel spin...
Yesterday, 01:07 AM
Replies: 5
Views: 122
Posted By NitroVein

But those are pictures of new(-ish) manifolds,...

But those are pictures of new(-ish) manifolds, the older ones from Picco wasn't the same. As Roelof said, I don't know of any other mfg that used that solution.
07-14-2018, 02:54 AM
Replies: 10
Views: 301
Posted By NitroVein

Well, if you drop a coil the fun is usually over,...

Well, if you drop a coil the fun is usually over, so it's pretty cheap insurance to change them.
When I have used Novarossi plugs they gave up around where Houston said, so I changed them around 1...
07-13-2018, 04:27 PM
Replies: 10
Views: 301
Posted By NitroVein

It can be a pretty big difference how long they...

It can be a pretty big difference how long they last depending on what brand they are.
But as Roelof said, running out of fuel can blow a plug, especially if running it hard while it runs out of...
07-12-2018, 11:59 AM
Replies: 9,967
Views: 1,367,147
Posted By NitroVein

Isn't it that the conical surface is different in...

Isn't it that the conical surface is different in size, so one plug might deform the head if you tighten the glow plug hard. Then the other glow plug will have a much smaller area to seal against. ...
Forum: Nitro On-Road
07-12-2018, 11:51 AM
Replies: 79
Views: 1,857
Posted By NitroVein

I do not think you're full of crap, I believe in...

I do not think you're full of crap, I believe in the quote that you should stay foolish. I'm no different, it's difficult to learn anything if you don't let yourself make mistakes.
But at some...
Forum: Nitro On-Road
07-12-2018, 02:03 AM
Replies: 79
Views: 1,857
Posted By NitroVein

This comes to mind... ...

This comes to mind...
https://cimg9.ibsrv.net/gimg/www.rctech.net-vbulletin/417x393/36062908_10214614069178725_7713298536724430848_n_dc71a84fec246b1c3ca79b4704dd047b4f8ed26c.jpg
Forum: Nitro On-Road
07-11-2018, 03:10 PM
Replies: 79
Views: 1,857
Posted By NitroVein

You can feel it if you push the piston sideways...

You can feel it if you push the piston sideways in the sleeve, it will catch the edges.
Forum: Nitro On-Road
07-08-2018, 04:49 PM
Replies: 79
Views: 1,857
Posted By NitroVein

Are you talking about the flow exiting the...

Are you talking about the flow exiting the engine? Because the wave tuning is done with the pipe.
The air/fuel ratio should be right no matter what, and the fuel we're running has a very wide...
Forum: Nitro On-Road
07-07-2018, 04:42 PM
Replies: 79
Views: 1,857
Posted By NitroVein

Not really sure how you get from sharp edges to...

Not really sure how you get from sharp edges to fuel injection... :confused:

In general you want to open anything you want to open, as quick and wide as possible (there are exceptions). A round...
Forum: Nitro On-Road
07-07-2018, 03:19 AM
Replies: 79
Views: 1,857
Posted By NitroVein

Lots of wrongful conclusions on those pages and...

Lots of wrongful conclusions on those pages and insufficient data to make it useful. They seem to look at things as a one point solution, which engines never are.
And comparing unpiped chainsaw to a...
Forum: Nitro On-Road
07-06-2018, 03:43 AM
Replies: 79
Views: 1,857
Posted By NitroVein

It doesn't need to be perfectly smooth. Cut the...

It doesn't need to be perfectly smooth. Cut the end of a q-tip (plastic), apply some saliva and roll it over in opposite direction, clean up excessive silicone & let it cure.
07-05-2018, 02:48 AM
Replies: 122
Views: 22,087
Posted By NitroVein

Well I'm no guru, but I know enough to know how...

Well I'm no guru, but I know enough to know how little I know. :p
The quick answer is that there is no difference between the amount of ports.
To answer it a little bit more, the total area of the...
07-04-2018, 04:22 AM
Replies: 16
Views: 1,428
Posted By NitroVein

No, that is not a turbo, that is a roots blower....

No, that is not a turbo, that is a roots blower. To the best of my knowledge no one has ever tried to use a turbo on a engine of this size.
Just Google "OS Supercharged" and you will see pictures...
07-04-2018, 03:26 AM
Replies: 16
Views: 1,428
Posted By NitroVein

OS used roots blower, they were not exhaust...

OS used roots blower, they were not exhaust driven like a turbo, two completely different animals.
07-03-2018, 04:36 PM
Replies: 23
Views: 480
Posted By NitroVein

First you make sure that you hit a good balancing...

First you make sure that you hit a good balancing factor, after that you can play with shifting the weight, but on a cheap engine it might be overkill regarding time and money.
07-03-2018, 03:28 PM
Replies: 23
Views: 480
Posted By NitroVein

Well we have been trying to tell you this, it's...

Well we have been trying to tell you this, it's to avoid unnecessary vibrations, you do that by redistribution of weight to counteract the forces that acts on the crankshaft.
07-03-2018, 12:37 PM
Replies: 23
Views: 480
Posted By NitroVein

There is nothing wrong with what many factories...

There is nothing wrong with what many factories sells, the cuts usually makes a difference. But there is only so much it will help until you lose instead, and some just goes crazy with it.
...
07-03-2018, 10:43 AM
Replies: 23
Views: 480
Posted By NitroVein

Very true, to the point that others have a hard...

Very true, to the point that others have a hard time selling stuff just because people think it's what it should look like. But it's not just the RC-industry, same problem with engine modifications...
07-03-2018, 09:54 AM
Replies: 23
Views: 480
Posted By NitroVein

Well some people seem to think that the...

Well some people seem to think that the counterweight is there just so they can make a bunch of cuts in it, proclaiming it makes all sorts of things.
07-03-2018, 08:19 AM
Replies: 23
Views: 480
Posted By NitroVein

Yes, the forces are pretty big even for an engine...

Yes, the forces are pretty big even for an engine this small due to the rpm.
It's important with axial balancing as well, but that is a can of worms to open usually.
07-03-2018, 06:48 AM
Replies: 23
Views: 480
Posted By NitroVein

It's actually damn near impossible to balance any...

It's actually damn near impossible to balance any engine, but the worst is single cylinders.
And yes, there will be a difference in where it balances out in the rpm range depending on changes in...
Forum: Nitro On-Road
07-03-2018, 03:33 AM
Replies: 3
Views: 298
Posted By NitroVein

The way the rules are setup makes it difficult to...

The way the rules are setup makes it difficult to make different pipes (per say), so the final tuning is done with different length manifolds instead.
You could calculate an estimated pipe for your...
07-03-2018, 03:23 AM
Replies: 23
Views: 480
Posted By NitroVein

They are compensating not only for the mass...

They are compensating not only for the mass (theoretical), but the force (practical), and that different when you apply pressure on top of the piston.
Showing results 1 to 25 of 500
 


 
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