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Topic: Chain length

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	Chain Maintenance (Site not responding. Last check: 2007-10-09)
		Chain durability is affected by riding style, gear choice, whether the bicycle is ridden in rain or snow, type of soil in the local terrain, type of lubricant, lubrication techniques, and the sizes and condition of the bicycle's sprockets.
		The rivets that hold the chain together run through the middle of the bushings, and the rollers roll around the outside of the bushings, so both the inside and the outside surfaces of the bushings are subject to wear.
		The major cause of chain "stretch" is wearing away of the metal where the rivet rotates inside of the bushing (or the "bushing" part of the inside plate) as the chain links flex and straighten as the chain goes onto and off of the sprockets.
	www.sheldonbrown.com /chains.html (2931 words)

	The Catenary (Site not responding. Last check: 2007-10-09)
		Let one end of the chain be supported at x = L/2 and y = h, and let w be the weight per unit length of the chain.
		The tension T in the chain is in the direction of the derivative dy/dx.
		Consider the equilibrium of the short length of chain subtending a distance dx on the x-axis.
	www.du.edu /~jcalvert/math/catenary.htm (617 words)

	How to Make a Gunter's Chain
		Some chains, but by no means the majority, also had a swivel link somewhere near the center in place of one of the regular links.
		For a chain with two rings between each link, the correct length is 7.42 inches (7.92 minus the inner diameter of half of the rings between the links).
		Therefore, make sure that when verifying the chain length the tension is the same as that which will be used in the field.
	www.orbitals.com /self/survey/chain/chain.html (4373 words)

	Monte Carlo Simulation of Hard-Sphere Polymer Chains: Theory and Practice (Site not responding. Last check: 2007-10-09)
		Chain movements are correlated to the previous arrangements as the movements are effected by interactions between chains.
		The chain bond length is equal to the length of the monomer.
		The number of chain units is then analogous to the number of jumps the particle has undergone and the bond length is analogous to the length of each jump.
	infohost.nmt.edu /~morganp/MC_intro.html (4241 words)

	Cornell News: Food chain length
		Length of food chain on way to big fish depends on size of pond, not on energy available, new study concludes
		But the systematic accounting of food-chain links and lengths also serves as a warning: The so-called top predators -- such as eagles, falcons and most of the fish that anglers catch to eat -- are more likely to accumulate high concentrations of mercury, PCBs and other contaminants when they live in large ecosystems.
		Because the researchers couldn't hold their breath long enough to follow food chains from the bottom to the top and count the mouths along the way, they essentially counted backward from the top.
	www.news.cornell.edu /releases/June00/food_chain.hrs.html (696 words)

	Yachting and Boating World: Anchor Chain length
		For safe anchoring with chain, the wind force should be no larger than the force required to lift the last links of the chain off the bottom at the anchor.
		For an all-chain rode, Formula 3 states that the length of chain required for safe anchoring is proportional to the wind speed.Typically one will need a length of chain at least equal to this.
		But if too little chain is deployed snatching is bound to occur, since the chain will straighten beyond the borderline state: it will lift from the bottom at the anchor, and it will not be able to absorb the energy of the surging yacht.
	www.ybw.com /forums/showflat.php?Number=466671&page=fpart (1611 words)

	Technical Program Paper Detail - AIChE
		, which describes the resistance to motion felt by a subunit of the polymer chain, is dependent on the chain length for short chain lengths.
		Preliminary results from studies of oligomer polystyrene diffusion indicate that the polymer concentration dependence diffusion is strongly dependent upon the length of the polystyrene chain for chains length less than 20 units.
		As the polymer chain length increases, this chain length dependence of the polymer concentration dependence of diffusion disappears for chains with more than 100 to 200 units.
	www.aiche.org /conferences/techprogram/paperdetail.asp?PaperID=1586&DSN=annual01 (575 words)

	[trikes] Chain Length (Site not responding. Last check: 2007-10-09)
		However, whoever makes the chain, the length of the same link nubers is the same.
		So, the length of the 116 links must be the same on all (same type - narrow) chains, Shimano, Sachs, KMC, etc > Also, is there a rule of thumb on how to tell if you have enough or too > much chain.
		Only in this case, since most of them have only two chainrings in front, the pulleys on the rear deraileur should be in "the position" when the chain is in the lowest-low or highest-high gear.
	www.ihpva.org /pipermail/trikes/2000q3/004084.html (425 words)

	3. MEASURING DISTANCES
		To measure distances in a field (for example the length and width of a field), a chain or a measuring tape is used.
		Two men are required, the back man, holding the zero point of the chain (or the tape), and the front man, holding the other end of the chain.
		Very often, the distance to be measured is longer than the length of the chain 01 the tape.
	www.fao.org /docrep/R7021E/r7021e04.htm (1262 words)

	Chain Length - Ridemonkey.com - mountain biking community
		You don't need any more chain than this, if you have extra and your rear derailleur is pointing straight back in the other no-no cross-chained small-small, you are going to bounce your chain off more easily, especially rough techy stuff, hard impacts and in the mud.
		I also happen to notice that chain length usually doesn't change if swapping a long for short cage derailleur if you still want the possibility of being able to run it through all gears (big-big with a tight chain).
		Another trick is put your mech in the middle of yo cluster and in da middle ring up front (if 1 ring then omit this step) then shorten chain to point where if you drew a line throught the derailleur pulley axles it would be perpendicular to the ground (assuming bike is level of course).
	www.ridemonkey.com /forums/showthread.php?t=74753 (769 words)

	Replacing Your Chain -- Bicycle Chain Length
		The bicycle chain is an often overlooked part of the bicycle.
		It is a good idea that you check the length of the chain before you connect the new chain.
		If the chain is too short you will damage the rear if you shift into the big front/rear combination of gears.
	www.totalbike.com /repair/chain.html (484 words)

	Discrete Donut Twisted Chain "ddtc" --- Origin of Gravity
		At least for the electron, the twist in the donut chain is compensated for by the donut adopting a different ratio of main angular revolving speed(around the donut center) to secondary rotation speed (around the donut edge) in an attempt to realign the angle of contact with adjacent donuts to zero.
		A triangle with a chain segment for each side seems to be a likely candidate for a stable particle such as a proton.
		In discrete donut twisted chain theory (ddtc) the quark is simply the connection between three donut chain segments, the minimum number of segments needed in order to have separate segments.
	www.ncia.com /~rlmarker/ddtcall.htm (6494 words)

	Bike Mechanics - bikeparts.com bike mechanic & tuning tips
		Size the new chain, (a new chain will be too long and need to be shortened) wrap the chain around the biggest chainring in the front and the biggest cog in the rear.
		Use the chain tool to push the pin through the hole until the pin is flush with side of chain.
		Cut the chain to length by wrapping the new chain around the big chainring in the front and biggest cog in the rear without going through the derailleur.
	www.bikeparts.com /mechanic/chainrepairs.html (1167 words)

	SAM - Dynamics and Chain Length (Site not responding. Last check: 2007-10-09)
		VENUS, a molecular dynamics code used for normal modes calculations, revealed three distinct low energy modes, with polarization components normal to the surface, which were common for all chain lengths; an up-down motion, a scissor, and a bowing motion.
		The calculated energies of the three low-energy modes as a function of the chain length are compared to the experimental energies in Figure 2.
		For each additional methyl group added to the chain the force constant, k, and mass, m, will increase in proportion keeping the excitation energy, E, constant, with a small perturbation due to the effective mass of the sulfur head group.
	sibener-group.uchicago.edu /has/sam3.html (1208 words)

	Diamond Chain Company -> Product Support -> Technical FAQs
		ANSWER: Riveted chain is constructed using pins that extend through the plate on each side a small amount and are then "riveted", or sidemashed, on their ends to add some additional strength to the hold between the pin and plate.
		Cottered chain is constructed using pins that extended through one plate a small amount and are sidemashed and the second side a further distance, with a cross drilled hole, for inserting a cotter pin.
		In these cases it is critical to have the chains ordered as a set, matched for length and installed on the machinery with the same relationship to one another as when they were matched.
	diamondchain.com /support/techfaqs.php (2726 words)

	Chain Length? - 'BentRider Online Forums
		The problem that I now have is when the crank is on either the middle or large chain ring and the rear cassette is on the smallest chain ring, I get a skip in the chain every 10 to 20 revolutions of the crank.
		Turn crank slowly until the chain skips or jumps, then note postion of chain when it skips and turn crank backwards until you get to that section of chain.
		Once you have pushed the pin back in you then move the chain 'out' one notch on the chain cutter and push the pin so that it is flush with the side plates on both sides.
	www.bentrideronline.com /messageboard/showthread.php?t=9830 (547 words)

	Oxfam Sweater
		Foundation Chain: Chain until your chain is the length of the Body Width.
		Repeat until length from beginning of sleeve rows measures the length of the Sleeve Width.
		Crochet back the length of Length X. Chain until the length of the chain measures the length of the Neck Opening.
	members.tripod.com /~kpup/html/untitled.html (530 words)

	Wrights® Classroom - Fashion - Beaded Chain Belt and Bracelet (Site not responding. Last check: 2007-10-09)
		The first chain length being the desired length of belt.
		Attach the three lengths of chain to each end of toggle closure (open and close links with pliers).
		Adjust lengths of chains to this measurement (Hint: you may need to remove one or two links to get the chains close in length.
	www.wrights.com /class/apparel/beadchainbelt/beadchainbelt.htm (512 words)

	Figuring out proper chain length - 'BentRider Online Forums
		Frankly, since most deraileurs work that way, I use the small chain ring and the smallest gear at the rear end for setting a chain to length.
		So trim your chain so that the rear deraileur cogs are as relaxed as they can be without the chain rubbing itself over the forward cog on the rear deraileur.
		Bikes with long chain runs like LWBs may not have enough derailleur cage length to handle all the excess chain in the 'Small-Small' combo Bikes with idlers only have to worry about chain flex from the gear to the idler.
	www.bentrideronline.com /messageboard/showthread.php?t=7647 (1046 words)

	Need help with proper chain length
		I then run the chain through the derailleur and hold the two ends together with a bent spoke (bent into a u-shape) and put it into big/big again.
		If the chain is too long, the chain will drag around the bottom jockey pully and accross the upper pulley.
		Ideally, you want the chain to be long enough to accommodate a shift into the 53/25 cross (which you solemnly swear never to use) safely and smoothly, but short enough not to sag severely in the 39/12 cross (which of course you also solemnly swear never to use).
	www.bikeforums.net /showthread.php?p=429879 (850 words)

	chain length - ObservedTrials.net (Site not responding. Last check: 2007-10-09)
		To find out how long you chain should be take it apart, wrap it around the two largest cogs you plan to use.
		less chain slap, less slack in chain for better engagement, better chain tension in general, more clearance since mech cage is moved upwards.
		The only bad thing that I noticed is that after i hooked the chain back up after taking some chain out, the link i put back together was very hard to move around and swivel.
	www.observedtrials.net /vb/showthread.php?t=6277 (1097 words)

	Chemistry Investigation - How does chain length affect: ∆Hcè for alcohols?
		In relation to my hypotheses, it seems that my prediction of the non-linear relationship was satisfied by all of my results, due to the increasing negativity of enthalpy with chain length.
		As the Carbon chain length in alcohols (and thus the molecular mass) increases, the enthalpy change becomes of a greater negativity.
		It is also feasible to draw from my graphs; the fact that the experimental plot is more appropriated to a curve of best fit, whereas the theoretical enthalpies was better suited by a line, that there is a far greater potential for anomalies during the imperfect experimental procedure.
	www.coursework.info /i/38501.html (1285 words)

	KB 15376: TPI chain item length invalid
		Originator: DAVE LO He uses Suprtool to chain extract one unique field (which is also a Suprdex key) into a file.
		He loads this file into a table, and does a chain command with this table on the same dataset.
		Superdex, in certain versions and in certain conditions reports a chain item length four bytes longer than it really is. kb 11808 also reports the same version that Lance is using, but I never heard what version this was actually fixed in, just that it is fixed.
	www.robelle.com /kbs/kb15376.html (330 words)

	calculating chain length>>
		This is due to the fact that one end of the chain has to have the opposite type
		There is a simple way to get chain length, start by putting your gearing in "small small" and look to see if the derailleur cage is backing into the actual derailleur becuase of the spring, I usually start by removing two links.
		It has the same drawback too in that if your derailleur doesn't have adequate slack take up, your chain is going to go slack in the little/little combination.
	www.bikeforums.net /showthread.php?t=86388 (1323 words)

	Chain length... - ObservedTrials.net (Site not responding. Last check: 2007-10-09)
		I've seen a lot trials bike that have their chain pretty short where the end of the derailleur is stretched forward...
		Just grab your chain on the tallest gear you use and pull it to the length where you think would work....then take out the links accordingly....
		Yeah it's slapping pretty bad on mine andamp; sometimes the chains come out from the front so I figured the problem can be overcome by shortening it.
	www.observedtrials.net /vb/showthread.php?t=5276 (327 words)

	Vagal afferent responses to fatty acids of different chain length in the rat -- Lal et al. 281 (4): 907 -- AJP - ...
		The processes underlying the differential effect of fatty acid chain length on gastrointestinal function are not fully understood.
		chain require emulsification by bile to be absorbed.
		Hunt, JN, and Knox MT. A relation between the chain length of fatty acids and the slowing of gastric emptying.
	ajpgi.physiology.org /cgi/content/full/281/4/G907 (6525 words)

	Regulation of product chain length by isoprenyl diphosphate synthases -- Tarshis et al. 93 (26): 15018 -- Proceedings ...
		Avian FPS catalyzes the sequential chain elongations of DMAPP to GPP and GPP to FPP.
		Chain length selectivity was extended by one isoprene residue when the buttressing aromatic ring in F112 was replaced by a
		During chain elongation catalyzed by avian FPS, the double bond in IPP is alkylated by C
	www.pnas.org /cgi/content/full/93/26/15018 (5313 words)

	Biosynthesis and Elongation of Short- and Medium-Chain-Length Fatty Acids -- van der Hoeven and Steffens 122 (1): 275 ...
		medium-chain length FAs is mediated primarily by FA synthase-like
		Hartman L, Reimann D (1989) Preparation of medium chain triglycerides with the use of physical refining.
		Walters DS, Steffens JC (1990) Branched chain amino acid metabolism in the biosynthesis of Lycopersicon pennellii glucose esters.
	www.plantphysiol.org /cgi/content/full/122/1/275 (4343 words)

	Blocking the tunnel: engineering of Candida rugosa lipase mutants with short chain length specificity -- Schmitt et al. ...
		lengths was calculated in relation to oleic acid and the results
		chain was estimated by superposing C1 of the fatty acid with
		The inhibitor (atoms corresponding to C1, C4, C8, C16 are labeled), hydrophobic side chains pointing inside the tunnel (L304, L410, S300, L365, L413, P246) and side chains of the catalytic triad (H449, E341, S209) are displayed.
	peds.oxfordjournals.org /cgi/content/full/15/7/595 (4181 words)

	Message Board -> Chain.. stock length or longer.. Help!
		So, Chloro was not tripping!!! If your still doubting the advice then put your sprockets and wheel on your bike and wrap the chain around the sprockets, push the back wheel about midways on the swingarm adjustments, when the chain is tight and starts to overlap itself then thats where you want to be.
		Make sure that you don't undercut the chain I just put a 520 coversion on my bike this last weekend went from stock to 15/48.
		Fortunately after a lot of work and careful work, we got the chain mended back together and recut it to the proper length.
	www.fzrarchives.com /ipb/index.php?showtopic=14792 (924 words)

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