« previous next »
Pages: 1 [2] 3 4 5   Go Down

Author Topic: Basic Dwg. of chaincase idea......Whataya think?  (Read 11683 times)

0 Members and 1 Guest are viewing this topic.

Offline fabr

  • Administrator
  • *
  • Posts: 93176
Re: Basic Dwg. of chaincase idea......Whataya think?
« Reply #15 on: February 19, 2009, 09:46:16 AM »
Quote from: Yoshi on February 19, 2009, 09:08:38 AM
I looked into the silent chains a while back, you need like a 5 or 6" wide chain to have the same load strength as a couple 530 chains believe it or not, the the wider chain and gears are a small fortune as well.  I would do the 2 smaller chains in an oil bath, that might not be a bad deal...
BS! that info about the silent chain is wrong.   .5" pitch Ramsey RPV is 11000#'s strength per inch of width and much smaller diameter sprockets than 630 or 530 roller chain. 
« Last Edit: February 19, 2009, 10:26:19 AM by Masterfabr »
Logged
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline Yoshi

  • Hero Member
  • ****
  • Posts: 503
Re: Basic Dwg. of chaincase idea......Whataya think?
« Reply #16 on: February 19, 2009, 10:14:51 AM »
Quote from: Masterfabr on February 19, 2009, 09:46:16 AM
BS! that info about the silent chain is wrong.   .5" pitch Ramsey RPV is 11000#'s strength per inch of width and much smaller diameter sprockets than 630 roller chain.
when I talked to them, I was going off the 17k tensile strength of the krauss chain, so with your info I would need a 3" wide Ramsey chain to meet that (17k x 2 = 34k divided by 11k = just over 3"), but when I called Ramsey, they were saying I was gonna need at least a 5" wide chain for the RPM's they would see. 

It doesn't really matter, between using 2 regular 11k 530 chains, or one 2" wide Ramsey chain, i'd take the 2 chains since they are smaller, lighter, and the sprockets are cheaper...IMO
Logged

Offline fabr

  • Administrator
  • *
  • Posts: 93176
Re: Basic Dwg. of chaincase idea......Whataya think?
« Reply #17 on: February 19, 2009, 10:32:12 AM »
Ramsey uses  a safety factor of approx 16:1 for rating chains. You need to talk to them in more detail before you go jumping to conclusions.
Logged
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline fabr

  • Administrator
  • *
  • Posts: 93176
Re: Basic Dwg. of chaincase idea......Whataya think?
« Reply #18 on: February 19, 2009, 10:37:18 AM »
I'm gonna make an assumption here and say that your rpms were wrong also.Remember that the COUNTERSHAFT rpm is all that matters,NOT the engine rpm.Soooo,take the 11K redline and reduce that by the primary reduction of 1.596 I believe it is on a busa and you have a MAX rpm of 6892. Then consider that you will only rarely be traveling at max rpm for fairly short periods and the rpm  AVERAGE goes WAY down. Likely no more than 4K average at most.  Then reduce the safety factor to 5 or 6 and you get a reasonable size capable recommendation.
Logged
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Admin

  • Guest
Re: Basic Dwg. of chaincase idea......Whataya think?
« Reply #19 on: February 19, 2009, 01:52:30 PM »
the ramsey chain spreads the load as well, its not concentrated on the pins like a 530 chain..
Logged

Offline fabr

  • Administrator
  • *
  • Posts: 93176
Re: Basic Dwg. of chaincase idea......Whataya think?
« Reply #20 on: February 19, 2009, 01:57:00 PM »
Actually the RPV forms an involute profile in the sprocket and due to that will show very little wear.THe biggest benefit is the 2 piece pin.It rolls against itself with no sliding contact with itself or the links similar to how a ball bearing rolls in its' races.Therefore little to no wear occurs.
« Last Edit: February 19, 2009, 02:04:21 PM by Masterfabr »
Logged
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline Whiplash

  • VIP
  • *
  • Posts: 755
  • Monster Bug is here run for your LIFE!!!
Re: Basic Dwg. of chaincase idea......Whataya think?
« Reply #21 on: February 19, 2009, 05:24:18 PM »
Ok Fabr, but do I really need it? I think just from a dummy standpoint, I could get by with the 530's couldn't I? Then I don't need to educate myself, just buy sprockets and chains and away I go!
Logged
"The best things in life are free".........RIIIGHT, He's never been to Glamis!

Bajas RULE!!

Admin

  • Guest
Re: Basic Dwg. of chaincase idea......Whataya think?
« Reply #22 on: February 19, 2009, 05:36:32 PM »
IMO the 530 dbl is not ideal, but may work, im still skepticle about stretch... and getting timing perfect... sprockets will need to be made identical, likely they are anyways, but a few degrees off from bolt holes to teeth will be a disappointment... what gear ratio you shooting for? 5:1
Logged

Admin

  • Guest
Re: Basic Dwg. of chaincase idea......Whataya think?
« Reply #23 on: February 19, 2009, 05:38:27 PM »
Out of curiosity, why not use a snowmobile chaincase and be done? one with reverse? just machine a new case so the final shaft can go all the way thru it? snow machine weigh 700 lbs and see 200 hp..
Logged

Admin

  • Guest
Re: Basic Dwg. of chaincase idea......Whataya think?
« Reply #24 on: February 19, 2009, 05:39:54 PM »
or just use the gear and chain...

http://media.snowmobilefanatics.com/gallery/gallerycontentresized/Member%20Images/General/resized_2008124141324921_17257.jpg
I bet you could source a used gearbox cheaper than buying the 530 chain...
Logged

Admin

  • Guest
Re: Basic Dwg. of chaincase idea......Whataya think?
« Reply #25 on: February 19, 2009, 05:41:08 PM »
I have suspicion i could have a ski doo revers gear box shipped to you in about 10 days for 2 bills...
Logged

Offline fabr

  • Administrator
  • *
  • Posts: 93176
Re: Basic Dwg. of chaincase idea......Whataya think?
« Reply #26 on: February 19, 2009, 05:48:56 PM »
Quote from: Whiplash on February 19, 2009, 05:24:18 PM
Ok Fabr, but do I really need it? I think just from a dummy standpoint, I could get by with the 530's couldn't I? Then I don't need to educate myself, just buy sprockets and chains and away I go!
IMO  ONE 530 in an oilbath does the job fine.  There are advantages to the silent such as reduced sprocket diameter as compared to 530 let alone 630 sprocket s sizes but, I'm not trying to say YOU need to use a silent chain.I was just pointing out to Yoshi that he has some misconceptions about silent chains.
Logged
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline Yummi

  • Grumpy, Sneezey and Dopey all rolled into one.
  • Administration
  • *
  • Posts: 238
    • Jeeping With Dogs
Re: Basic Dwg. of chaincase idea......Whataya think?
« Reply #27 on: February 19, 2009, 05:51:37 PM »
Let me translate that for you.........

You're not stupid. 

Yoshi: Yoshi is stupid!

:o































kidding yoshi, you know I kid.  :-*
Logged
**********************
I like things that move.   Pretty much limits me to cars and strippers

Did you know I have a blog?  Come on now, it is 2016, everybody does.  http://www.jeepingwithdogs.com

Offline fabr

  • Administrator
  • *
  • Posts: 93176
Re: Basic Dwg. of chaincase idea......Whataya think?
« Reply #28 on: February 19, 2009, 06:06:51 PM »
Quote from: Whiplash on February 19, 2009, 05:24:18 PM
Ok Fabr, but do I really need it? I think just from a dummy standpoint, I could get by with the 530's couldn't I? Then I don't need to educate myself, just buy sprockets and chains and away I go!
I'm gonna add this.If I was goingto do an enclosed oil bath chain case with roller chain I'd use a 50 pitch duplex or triplex sprocket and non o-ring duplex or triplex chain. The overall width will be less and the sprockets are readily available as is the chain. You do not want o ring chain in an oil bath use.It prevents oil circulation around the pins where it's needed.
Logged
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline Boostinjdm

  • Hero Member
  • ****
  • Posts: 1609
Re: Basic Dwg. of chaincase idea......Whataya think?
« Reply #29 on: February 19, 2009, 06:13:32 PM »
I have been looking at duplex chain rather than double singles.  I am having trouble locating sprockets I will be satisfied with.  Any source suggestions?  I can't seem to make up my mind on chain untill I know all the angles...
Logged
This post has been edited due to content.
Pages: 1 [2] 3 4 5   Go Up
« previous next »
 
SimplePortal 2.3.7 © 2008-2024, SimplePortal