 |
Matronics Email Lists
Web Forum Interface to the Matronics Email Lists
|
| View previous topic :: View next topic |
| Author |
Message |
lcottrell
Joined: 29 May 2006
Posts: 1494
Location: Jordan Valley, Or
|
 Posted: Sat Oct 08, 2016 8:10 pm Post subject: syncro of carbs |
 |
|
There was a recent thread concerning syncro of carbs and buying Manometers. I ran across this link for a cheap do it yourself syncro of a snowmobile. The ends are the interesting part, but the idea is quite simple and safe to use.
https://www.youtube.com/watch?v=Y_WDF6glD5k
Larry
--
The older I get, the less tolerant I am of those who are intolerant of others.
If you forward this email, or any part of it, please remove my email address before sending.
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kolb-List |
|
_________________
do not archive |
|
| Back to top |
|
 |
Richard Pike
Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee
|
| Posted: Sun Oct 09, 2016 4:13 am Post subject: Re: syncro of carbs |
|
|
That would be a good tool, thanks.
Right at the end of the video the man said something that I think is not accurate; he said it makes no difference what the comparative level of the liquid is in the 2 bottles, as long as it is not rising or falling.
I don't think that is right. I am thinking that a difference in vacuum between the carbs will cause a difference in fluid height in the two bottles, eventually they will stop rising or falling, and stabilize at a height that reflects the difference in vacuum between the carbs. Consequently you would want to have the 2 bottles at the same height, and be able to see the liquid at the same level across the 2 bottles.
Am I missing something?
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kolb-List |
|
_________________
Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0
Forgiving is tough, being forgiven is wonderful, and God's grace really is amazing. |
|
| Back to top |
|
|
lcottrell
Joined: 29 May 2006
Posts: 1494
Location: Jordan Valley, Or
|
|
| Back to top |
|
|
racerjerry
Joined: 15 Dec 2009
Posts: 202
Location: Deer Park, NY
|
| Posted: Mon Oct 10, 2016 4:11 am Post subject: Re: syncro of carbs |
|
|
I think the confusion is that we are not used to looking at a CLOSED SYSTEM.
There is no vent to atmosphere and hoses fit tightly into bottles. If vacuum on one bottle is greater, fluid will flow into that bottle. If carbs are adjusted equal, fluid flow between bottles will stop. Fluid level does not matter. Fluid transferring between bottles means carbs are not balanced.
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kolb-List |
|
_________________
Jerry King |
|
| Back to top |
|
|
racerjerry
Joined: 15 Dec 2009
Posts: 202
Location: Deer Park, NY
|
| Posted: Mon Oct 10, 2016 4:12 am Post subject: Re: syncro of carbs |
|
|
I think the confusion is that we are not used to looking at a CLOSED SYSTEM.
There is no vent to atmosphere and hoses fit tightly into bottles. If vacuum on one bottle is greater, fluid will flow into that bottle. If carbs are adjusted equal, fluid flow between bottles will stop. Fluid level does not matter. Fluid transferring between bottles means carbs are not balanced.
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kolb-List |
|
_________________
Jerry King |
|
| Back to top |
|
|
Richard Pike
Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee
|
| Posted: Mon Oct 10, 2016 8:11 am Post subject: Re: syncro of carbs |
|
|
| racerjerry wrote: | I think the confusion is that we are not used to looking at a CLOSED SYSTEM.
There is no vent to atmosphere and hoses fit tightly into bottles. If vacuum on one bottle is greater, fluid will flow into that bottle. If carbs are adjusted equal, fluid flow between bottles will stop. Fluid level does not matter. Fluid transferring between bottles means carbs are not balanced. |
Makes perfect sense. Imbalance of vacuum=movement. Lack of movement=balance. Thanks, got it.
HOWEVER ~ (Much mental activity going on here... sound of gears grinding...) ~ I am thinking that in order to know that your carbs were in fact perfectly balanced, you would have to balance the carbs, open the system, reconnect the system, and run the engine again.
Here is why: even in a closed system, the levels of liquid would still seek to be even with each other, because if one liquid level was higher, it would want to siphon until both levels were equal, but it can't. If one bottle was higher, it would want to siphon into the lower, but because the system is closed, it cannot level itself. However, gravity is still placing an inherent imbalance on those liquid levels. That gravity imbalance manifests itself as a pressure differential, and that is what we are measuring when we balance our carbs.
In our situation, if the levels stabilize at an unequal height during adjustment, I think it is going to preclude getting a perfect carb balance because now we have to factor in a pressure differential caused by unequal weights of liquid in the two bottles. Even in a closed system, that pressure differential still has to be a factor somewhere.
Let's say you start with both bottles level, liquid levels the same, hook it up and run the engine. Carbs not balanced, siphon occurs and the bottle with the highest vacuum begins to fill. You adjust the carbs for balance, and siphon/transfer stops. But if one bottle is now 1/3 full and the other bottle is 2/3's full, then there is a weight / pressure imbalance which my carb vacuum settings have to compensate for. One bottle has a much greater weight of liquid, which is seeking its own level, but my carb setting is preventing that from happening. Which implies to me that my carb setting cannot be perfectly balanced if it is compensating for a weight imbalance / pressure differential.
So if I was doing it, at this point I would shut down the engine, disconnect the tubing, let the liquid siphon/transfer occur until both bottles have level liquid, then hook the system up again, run the engine, and if the carbs are in fact balanced, no transfer would occur, and the liquid levels would stay the same.
Then I could quit worrying about it. 
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kolb-List |
|
_________________
Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0
Forgiving is tough, being forgiven is wonderful, and God's grace really is amazing. |
|
| Back to top |
|
|
|
|
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum
|
Powered by phpBB © 2001, 2005 phpBB Group
|
Get Email Distribution Too!
FAQ
Search
Memberlist
Usergroups
Register
Profile
Log in to check your private messages
Log in
The levels obviously need to be the same.