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Search: Posts Made By: adipe
Showing results 1 to 50 of 156
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06-16-21, 10:57 AM
Replies: 2
Views: 338
Posted By adipe

remove the chain and clean it by shaking it in...

remove the chain and clean it by shaking it in plastic jars with some solvent - the cheapest being diesel fuel i think.
the solvent should then be removed as quickly as possible and i would advise...
06-13-21, 03:03 AM
Replies: 76
Views: 3,255
Posted By adipe

some players in automotive lubricant offer much...

some players in automotive lubricant offer much better products than most of the chain lubes or at least for a much lower cost to the customer (price). all you need is to mix 1-2 products and add...
06-13-21, 03:00 AM
Replies: 76
Views: 3,255
Posted By adipe

yea, the vast majority of people don't care...

yea, the vast majority of people don't care because they are proud of their ignorance, they have a discomfort if ever admitting they have been screwed more than once. it's easier to fool people than...
06-12-21, 08:39 AM
Replies: 76
Views: 3,255
Posted By adipe

1. will the lube ensure a thick enough film as to...

1. will the lube ensure a thick enough film as to prevent boundary/mixed lubrication? particulate matter 2.5 means 2.5 microns and there is lots of that in the air to slowly contaminate the chain...
06-11-21, 09:06 PM
Replies: 141
Views: 7,404
Posted By adipe

how much does a 622mm 500g rim compress (change...

how much does a 622mm 500g rim compress (change diameter) if average spoke tension is ~120kgf DS and ~70kgf NDS for 32 spokes?...
73GPa modulus in compression...

a rough estimation would be...
06-11-21, 08:20 PM
Replies: 76
Views: 3,255
Posted By adipe

yea, you might be using light naphtha. whatever. ...

yea, you might be using light naphtha. whatever.
i prefer the hot bath having no solvent in the homebrew jar where i drop the chain. just using nonpolar solvent wash and then alcohols - shaken for...
06-11-21, 07:59 PM
Replies: 76
Views: 3,255
Posted By adipe

"Light naphtha boils at between 35C and 130C...

"Light naphtha boils at between 35C and 130C and has a higher paraffin content than heavy naphtha, which boils between 130C and 210C and contains a lot of naphthenes and aromatics. Compared to...
06-11-21, 07:21 PM
Replies: 12
Views: 576
Posted By adipe

https://youtu.be/hxFA08qRSoY?t=26 use heat...

https://youtu.be/hxFA08qRSoY?t=26

use heat as a last resort. aluminum has a higher thermal expansion than steel.
cold worked steel (spokes) will lose it's strength if heated too much; the rim...
06-11-21, 07:02 PM
Replies: 12
Views: 576
Posted By adipe

i'm not sure what penetrating recipe would be...

i'm not sure what penetrating recipe would be best for this. some use 50/50 ATF+acetone as a penetrating agent. you could first try with acetone+paraffin. the acetone will decrease viscosity and...
06-11-21, 08:17 AM
Replies: 76
Views: 3,255
Posted By adipe

naphta is a poor choice for a volatile solvent. ...

naphta is a poor choice for a volatile solvent.
you could either use xylene (which will still take sooo long to evaporate completely) or just the hot bath method. having a jar (with lid) in a pot...
06-10-21, 03:01 AM
Replies: 76
Views: 3,255
Posted By adipe

"3-5 times longer than other lubricants" i'd...

"3-5 times longer than other lubricants"

i'd bet my homebrew protects 3-5 times longer than WT-1 Chain Lube.
and by the way... my homebrew does contain detergent, along with other additives:...
06-09-21, 03:36 AM
Replies: 5
Views: 320
Posted By adipe

6061-T6 aluminum solid choice but be aware...

6061-T6 aluminum

solid choice but be aware (the op should be) that it's a low profile rim (15.5 mm) so you really should go with thinner spokes on the side where there is less tension. low profile...
06-07-21, 07:30 AM
Replies: 14
Views: 759
Posted By adipe

i guess what you refer to as warm wax should mean...

i guess what you refer to as warm wax should mean wax that is best suited for warm environment...
so you should prefer that type as it's more viscous/elastic/sticky when subjected to pressure.
...
06-07-21, 02:36 AM
Replies: 14
Views: 607
Posted By adipe

yes, and one more thing: suppose Z preload is...

yes, and one more thing: suppose Z preload is optimal; 2*Z will be worse than Z/2.
if the bearings have the right preload than it will be much, much less drag from it than from the seals. so if you...
06-06-21, 02:57 PM
Replies: 23
Views: 606
Posted By adipe

residual torsional stress on drive side spokes......

residual torsional stress on drive side spokes... and uneven tension. therefore fatigue. damage on the surface of the spokes can also contribute.

https://youtu.be/w4kz0k4AdI4

6:00 spoke...
06-06-21, 02:48 AM
Replies: 19
Views: 763
Posted By adipe

the pitlock tool/key is not that hard to carry...

the pitlock tool/key is not that hard to carry around. the bike in the pics has frame and saddle bags and rack... it's not a race bike.
if i would carry a pump, glue, patches AND spare tube then i'd...
06-06-21, 02:38 AM
Replies: 19
Views: 763
Posted By adipe

reapplying a proper grease and then turning 180...

reapplying a proper grease and then turning 180 degrees after it is finger tight (two finger grip) is safe enough. you get to know how much that finger tight means once you back off by 180 degrees...
06-06-21, 02:11 AM
Replies: 14
Views: 759
Posted By adipe

try beeswax or surf wax. friction coefficient of...

try beeswax or surf wax. friction coefficient of beeswax is not that small except for extreme pressures - which do not occur on the seatpost-frame interface. if it doesn't work because the gap is too...
06-06-21, 02:00 AM
Replies: 14
Views: 607
Posted By adipe

the final adjustment is with the nuts on the...

the final adjustment is with the nuts on the frame, the axle will be compressed a bit because of that.

what i do is measure how many seconds (or i'd rather say beats) i get once the wheel is...
06-04-21, 09:49 AM
Replies: 23
Views: 745
Posted By adipe

maybe derailleur hanger is bent...

maybe derailleur hanger is bent...
06-04-21, 09:42 AM
Replies: 33
Views: 1,158
Posted By adipe

when it comes to wheel building... you can stick...

when it comes to wheel building... you can stick a heavy rim for a heavy rider as your sloppy work is just sloppy and you don't care too much about weight - in which case you should work much more on...
06-03-21, 04:37 PM
Replies: 33
Views: 1,158
Posted By adipe

"best bang for the buck" is using zip ties, a...

"best bang for the buck" is using zip ties, a proper spoke key (which should cost a tenner or so) and a trained ear (any ear can be trained) and THEN spending some time to do your research with...
06-03-21, 01:48 PM
Replies: 33
Views: 1,158
Posted By adipe

aiming for low radial runout is NOT that much...

aiming for low radial runout is NOT that much about how the wheels feel but how resilient the wheels will be with low spoke tension variance AND high enough average spoke tension (meaning also that...
06-03-21, 09:53 AM
Replies: 33
Views: 1,158
Posted By adipe

https://youtu.be/2AvVR4FMzlg the edge of the...

https://youtu.be/2AvVR4FMzlg

the edge of the rim is sometimes a bit damaged so that the radial dial takes the tire bead surface with this truing stand.
last time i worked on a wheel i had the...
06-03-21, 09:45 AM
Replies: 33
Views: 1,158
Posted By adipe

when truing wheels you need to pay attention to...

when truing wheels you need to pay attention to radial runout on each spot of the rim (at each spoke). as i said in another thread... radial runout at each spoke.

adjusting radial runout is best...
05-29-21, 08:47 AM
Replies: 11
Views: 587
Posted By adipe

i'd say go with 290 DS (right flange) and 292 NDS...

i'd say go with 290 DS (right flange) and 292 NDS (left flange) and use butted spokes on the NDS. if you have good skills and knowledge you could go with quite thin spokes on the NDS (i can handle...
05-29-21, 08:27 AM
Replies: 11
Views: 587
Posted By adipe

pro lock nipples are very hard to deal with. they...

pro lock nipples are very hard to deal with. they add torsional stress and strain on the spokes. they have loctite like paste in them.
i would only use pro lock if dealing with 24x wheels and i...
05-23-21, 09:32 AM
Replies: 29
Views: 1,497
Posted By adipe

ok, that's a very badly tacoed rim in your...

ok, that's a very badly tacoed rim in your attached pic document but the point i was trying to make is the accuracy in getting the back the rim into shape, not how large the repairable distortion is....
05-22-21, 06:32 PM
Replies: 29
Views: 1,497
Posted By adipe

to answer my own question... suppose you...

to answer my own question...

suppose you have +10kgf tension for a spoke when comparing to another (variance). how much more length would the spoke get?

that's 0.0312mm more spoke length...
05-22-21, 05:57 PM
Replies: 29
Views: 1,497
Posted By adipe

"spoke run out" - you misunderstood the whole...

"spoke run out" - you misunderstood the whole thing. the rim has an average distance from the hub from which at each spoke there is a relative runout. get the point? so if i measure radial runout at...
05-22-21, 06:35 AM
Replies: 29
Views: 1,497
Posted By adipe

if i were to earn my living with this stuff i'd...

if i were to earn my living with this stuff i'd go by a precision tensiometer that is expensive. not only for the absolute tension accuracy (and the speed of that reading) but also for the speed i...
05-22-21, 05:10 AM
Replies: 29
Views: 1,497
Posted By adipe

first of all, tone generator: ...

first of all, tone generator:
https://www.szynalski.com/tone-generator/

https://www.school-for-champions.com/science/sound_from_wire_equation.htm#.XSHKJhYzapo
f = (1/2L)*√(T/μ)
that is the...
05-21-21, 01:11 AM
Replies: 16
Views: 874
Posted By adipe

i never had any problems tensioning spokes to...

i never had any problems tensioning spokes to 150kgf and even more with a proper spoke wrench, not a crappy one.
https://cdn.bike24.net/i/mb/0b/b9/4b/8523-00-d-15231.jpg

what most folks neglect...
05-21-21, 12:59 AM
Replies: 15
Views: 861
Posted By adipe

one reason why i use a mix of alcohols (i don't...

one reason why i use a mix of alcohols (i don't mix them, i bought the bottle as such) with some isopropyl (washes the nonpolar solvent) which evaporates later almost completely in the hot wax...
05-20-21, 02:23 PM
Replies: 20
Views: 842
Posted By adipe

magic gear... some folks will file from the...

magic gear...

some folks will file from the dropout and derailleur hanger to be able to use a chain that is either a bit too long or too short on a singlespeed setup with no chain tensioning...
05-20-21, 02:13 PM
Replies: 13
Views: 571
Posted By adipe

1. apply some waxy lube (beeswax is good enough -...

1. apply some waxy lube (beeswax is good enough - not needed to minimize friction but prevent wear and act as a light antiseize) on the seatpost - it will prevent clicking, creaking and if it happens...
05-19-21, 04:32 PM
Replies: 15
Views: 861
Posted By adipe

i prefer to have a watt more friction with a...

i prefer to have a watt more friction with a lubricant that minimizes chain wear very well, stays put and also does not need to be reapplied very often;
meaning it also keeps that low enough...
05-18-21, 07:30 PM
Replies: 15
Views: 861
Posted By adipe

ptfe is bling bling. relatively speaking. and ALL...

ptfe is bling bling. relatively speaking. and ALL bike specific (marketed) chain lubricants i have ever known of are either ridiculously expensive or crappy... or both expensive AND crappy compared...
Forum: Commuting
05-18-21, 07:02 PM
Replies: 104
Views: 14,712
Posted By adipe

i am in a pissy mood right now with all your...

i am in a pissy mood right now with all your misinformation accusation - while really it is you who are spreading "misinformation". so i won't bother with replying to all your points in your...
Forum: Commuting
05-18-21, 12:36 PM
Replies: 104
Views: 14,712
Posted By adipe

a final post in this "zombie thread"... ...

a final post in this "zombie thread"...

paraffin is crap. really. it flakes off too easily - for me at least. it is brittle, no elasticity. this thing is even more important when the chain is...
Forum: Commuting
05-18-21, 11:46 AM
Replies: 104
Views: 14,712
Posted By adipe

dude... read more carefully what i wrote. ...

dude... read more carefully what i wrote.

every base oil is vulnerable to oxidation which is more easy to occur in the presence of water, salts, pressure, heat. what i mean by heat is not boiling...
05-18-21, 11:26 AM
Replies: 12
Views: 797
Posted By adipe

i prefer to have a wide AND thick enough rim...

i prefer to have a wide AND thick enough rim tape. one way i know the rim tape is not too thin is having just a bit less spoke tension after mounting the tire, inflating and then releasing air...
05-18-21, 10:58 AM
Replies: 5
Views: 370
Posted By adipe

it can be very difficult to pull out a flat spot...

it can be very difficult to pull out a flat spot on the rim in order to end up with uniform spoke tension and low radial runout. it can be difficult to do that even if you have the best tools for the...
05-18-21, 09:19 AM
Replies: 9
Views: 715
Posted By adipe

very important to have some grease that resists...

very important to have some grease that resists being squeezed out where the nipples press on the eyelets.

a waxy bolt thread lubricant is what's best - if not something you mix. in order to flow...
Forum: Commuting
05-18-21, 09:00 AM
Replies: 104
Views: 14,712
Posted By adipe

EVERY base oil is vulnerable to oxidation. that...

EVERY base oil is vulnerable to oxidation. that is why every decent lubricant will have along with the base oil some additives to address this problem.

wax can be worn too (due to oxidation). AND...
05-12-21, 09:22 PM
Replies: 2
Views: 343
Posted By adipe

just go with a magic gear setup IF you don't have...

just go with a magic gear setup IF you don't have a mid-drive motor setup (i suspect you have a singlespeed setup and therefore a motor hub).
https://eehouse.org/fixin/formfmu
in order to use this...
05-12-21, 08:43 PM
Replies: 55
Views: 4,098
Posted By adipe

i go with a homebrew involving lithium type...

i go with a homebrew involving lithium type grease (it has non synthetic base oils - isoparaffinic) and a hBN additive product. not the best base oils in the lithium grease product i use... so i...
05-12-21, 07:41 PM
Replies: 29
Views: 1,497
Posted By adipe

0.5mm is a lot. BUT i would not mind having that...

0.5mm is a lot. BUT i would not mind having that runout with a disc brake if it's just lateral and the radial runout is low enough (meaning low tension variance).

always make sure you have the...
05-12-21, 06:50 PM
Replies: 6
Views: 566
Posted By adipe

put some sort of grease (anti seize is best) on...

put some sort of grease (anti seize is best) on the seatpost, insert it back in the frame with grease there. if you grease the bolt - as you should - then you should not have more than 8Nm torque...
08-24-20, 06:00 PM
Replies: 8
Views: 1,103
Posted By adipe

does anybody know the q factor of a square taper...

does anybody know the q factor of a square taper triple 105 shimano crankset?
105 FC-1057

the bb length in the specs found here...
Showing results 1 to 50 of 156
 


 
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