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Search: Posts Made By: Celika
Showing results 1 to 50 of 58
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Forum: Framebuilders
09-09-20, 06:13 AM
Replies: 13
Views: 2,428
Posted By Celika

Hello ! Since my last post, I've buy a 2nd...

Hello !

Since my last post, I've buy a 2nd hand 1m3 O/A setup (cheap, but the bottles won't last long).
I'm still trying to build an oxy/propane to run cheaper and complete the O/A, but really...
Forum: Framebuilders
04-28-20, 08:04 AM
Replies: 13
Views: 2,428
Posted By Celika

Hi Thanks a lot, I'll give a try for it...

Hi

Thanks a lot, I'll give a try for it :thumb: !
Guy: ok thanks, the big idea is to get a smaller and lighter equipment to be more comfortable on precice welds, on tubing,... I'll keep that in...
Forum: Framebuilders
04-23-20, 03:51 PM
Replies: 13
Views: 2,428
Posted By Celika

You're welcome, it's interesting to have advices...

You're welcome, it's interesting to have advices and opinions :) .
Pedals and flex torch seems indeed to be really practical. The Stahlwerk exist in kit with these two accessories (400€ for DC ans...
Forum: Framebuilders
04-23-20, 06:59 AM
Replies: 13
Views: 2,428
Posted By Celika

Hi A good MIG cost about the same as a...

Hi

A good MIG cost about the same as a decent TIG (about 350-400€ new, there is even a nice Stahlwerk AC/DC TIG for 500€), and argon/Co² is not so much cheaper that 100% argon right here.
I guess...
Forum: Framebuilders
04-22-20, 02:16 PM
Replies: 13
Views: 2,428
Posted By Celika

Thanks a lot for your answers :thumb: ! So...

Thanks a lot for your answers :thumb: !

So I'll try to find a multiple-port tip.
Good idea to look on the side of jewellry/glass pearls makers; in Europe it seems they are the most common users...
Forum: Framebuilders
04-22-20, 05:59 AM
Replies: 13
Views: 2,428
Posted By Celika

Oxy/butane-propane questions

Hello !

I'm looking for a budget "frame assembling" way (~450€ max all included), more adapted than my MMA inverter wich is very hard to use for steel under 1,5-2mm thin.

I plan to build cargo...
Forum: Framebuilders
06-08-18, 05:00 PM
Replies: 7
Views: 1,881
Posted By Celika

For the moment I just want to weld rather thick...

For the moment I just want to weld rather thick (1-1,5mm) steel better than with MMA, no high perfs tubes in sight. This is just for fun, and I'll see later to eventually afford a TIG or Oxy to make...
Forum: Framebuilders
06-07-18, 04:17 PM
Replies: 7
Views: 1,881
Posted By Celika

Off course, there is some good reasons to use...

Off course, there is some good reasons to use brazing or TIG instead of MIG (as I said in my 1st post: temperature control, clean process,...), but cost isn't the same at all. Even more when you need...
Forum: Framebuilders
06-06-18, 02:18 PM
Replies: 7
Views: 1,881
Posted By Celika

Was it on rather high-end (thin) steel ? Do you...

Was it on rather high-end (thin) steel ? Do you have an idea of the intensity you used ?

Mig is used on automobile bodywork, so it sould be possible to weld really thin steel, the unknow parameter...
Forum: Framebuilders
06-05-18, 09:52 AM
Replies: 460
Views: 312,508
Posted By Celika

@ LrnFzx...

@ LrnFzx (https://www.bikeforums.net/members/lrnfzx-423111.html) : wow, your suitcase bikes are pretty cools ! Are they rigid enough compared to a "not cut bike" :D ? Do you plan to make a folding...
Forum: Framebuilders
06-05-18, 09:31 AM
Replies: 7
Views: 1,881
Posted By Celika

MIG welding with Co2 for framebuilding ?

Hello

I'm looking for a new welding technique (for the moment I use a MMA inverter, but it's quite hard to use with <2mm steel, and rather impossible for <1,5mm) for framebuilding.
The obvious...
Forum: Framebuilders
08-11-17, 06:15 AM
Replies: 14
Views: 5,166
Posted By Celika

I've rebuild the hinges of my Dahon Speed D7, who...

I've rebuild the hinges of my Dahon Speed D7, who were broken (inapropriate use of previous owner + design too weak), and did the maintenance/upgrade of some folding bikes (vintage and recent).

I...
Forum: Framebuilders
08-09-17, 04:38 PM
Replies: 14
Views: 5,166
Posted By Celika

For the hinge, I'd prefer pick an used bike in...

For the hinge, I'd prefer pick an used bike in bad shape (in france we have plenty of cheap folders with steel frame, about 50$ on our "craiglist"), or do it myself (a stiff one, welded) than buy the...
Forum: Framebuilders
08-06-17, 04:23 PM
Replies: 14
Views: 5,166
Posted By Celika

Hello This kind of concept frequently...

Hello

This kind of concept frequently returns, but indeed was never produced as far as I know. Maybe in some years, with new materials and 3D printing.

JohnyHK: to build a bamboo bike, some...
Forum: Framebuilders
08-05-17, 11:26 AM
Replies: 14
Views: 5,166
Posted By Celika

Usually, framebuilders use jigs too (aluminium,...

Usually, framebuilders use jigs too (aluminium, steel or wood), even for a "normal" bike.
Folding bikes are designed to be compact, I guess it's why they have only one size, and a long seatpost to...
Forum: Framebuilders
08-05-17, 05:01 AM
Replies: 14
Views: 5,166
Posted By Celika

I've found some, but rather "cheap" ones. ...

I've found some, but rather "cheap" ones.
Foldable Bike: 4 Steps (with Pictures) (http://www.instructables.com/id/DIY-foldable-bike/)
Homemade folding bike | Make:...
Forum: Framebuilders
08-02-17, 05:59 AM
Replies: 14
Views: 5,166
Posted By Celika

Folding bike framebuild ?

Hello

Have you heard about "home made" folding bike frames ? I've search for it since a moment, but found rather nothing ont the web.

It seems a little more complex than usual framebuild...
Forum: Folding Bikes
02-18-17, 12:45 PM
Replies: 16
Views: 6,624
Posted By Celika

Hi I bought a used (REALLY used :lol:) ...

Hi

I bought a used (REALLY used :lol:) cheap bike (a Momabike 16teen) without his seatpost, I plan to use it as a "fear nothing" bike. Fortunately, the seatpost size is exactly the same as my...
Forum: Folding Bikes
10-03-16, 09:24 AM
Replies: 72
Views: 33,751
Posted By Celika

Salut, pourrais-tu mettre la version VF stp ? ...

Salut, pourrais-tu mettre la version VF stp ?
(could you put the french trad please ?)

Tu peux utiliser un shifter triple quelconque récupéré sur un VTT/VTC, ou une poignée tournante. C'est pas...
Forum: Bicycle Mechanics
09-18-16, 10:40 AM
Replies: 19
Views: 5,487
Posted By Celika

@wgscott...

@wgscott (http://www.bikeforums.net/member.php?u=347046): Why disable a brake lever ? The big idea is to use both the MTB and road lever (like a CX additionnal brake lever), depending on the position...
Forum: Bicycle Mechanics
09-18-16, 02:49 AM
Replies: 19
Views: 5,487
Posted By Celika

Sorry, I guess there is a misunderstanding, I...

Sorry, I guess there is a misunderstanding, I haven't done the sytem for yet, just planned to do it but I would like to be sure before sacrifice a pair of brake lever and possibly make something...
Forum: Bicycle Mechanics
09-16-16, 01:34 PM
Replies: 19
Views: 5,487
Posted By Celika

Hello No other point of view ?... Thanks

Hello

No other point of view ?...
Thanks
Forum: Folding Bikes
09-12-16, 09:52 AM
Replies: 51
Views: 27,749
Posted By Celika

The bar-ends + the shifters requires to rotate...

The bar-ends + the shifters requires to rotate the handlebar to vertical, but as the angle between them is not too high, and as the bar-end are shorts, there is no problems to fold.
Forum: Folding Bikes
09-11-16, 01:13 PM
Replies: 51
Views: 27,749
Posted By Celika

Hello ! I've work well on my Speed, and there...

Hello !
I've work well on my Speed, and there is the result !
http://i97.servimg.com/u/f97/16/84/74/48/coty_110.jpg
http://i97.servimg.com/u/f97/16/84/74/48/pliy_810.jpg
I've achieved the main...
Forum: Folding Bikes
09-11-16, 12:35 PM
Replies: 72
Views: 33,751
Posted By Celika

Hello I've done that on my Speed ...

Hello

I've done that on my Speed
http://i97.servimg.com/u/f97/16/84/74/48/derail10.jpg
Take an old FD with 34.9mm clamp, enlarge it to 40mm using a steel cylindre and a vice, and use a collar as...
Forum: Bicycle Mechanics
08-30-16, 11:04 AM
Replies: 19
Views: 5,487
Posted By Celika

@well biked...

@well biked (http://www.bikeforums.net/member.php?u=35519): of course it's not as good as a full hydro, but you get double piston system, better to tune.
@gsa103...
Forum: Bicycle Mechanics
08-28-16, 03:09 PM
Replies: 19
Views: 5,487
Posted By Celika

Thanks for your answer ;) Personnaly I...

Thanks for your answer ;)

Personnaly I rather like the look it gives to bike, some mad Max style :D , but taste and colours :innocent:...

Seems the bar on the pic is a 26mm (no OS at the...
Forum: Bicycle Mechanics
08-27-16, 02:27 PM
Replies: 19
Views: 5,487
Posted By Celika

Yep, i've seen some cable => hydro adapter, but...

Yep, i've seen some cable => hydro adapter, but pretty expensive (~150-200€).
There is hybrid cable/hydro brake too, like the TRP (about 100€/brake). It's basicaly the same than a hydro sytem...
Forum: Bicycle Mechanics
08-27-16, 01:59 PM
Replies: 19
Views: 5,487
Posted By Celika

Road brifters + MTB hydro brake ?

Hello

I'm sure I'm not the 1st to think to this, but I wonder why there is no more exemples of it on the net. To connect the brake cable from road brifter to a MTB hydraulic brake, to have a...
Forum: Bicycle Mechanics
08-13-16, 03:01 AM
Replies: 1
Views: 1,431
Posted By Celika

Hello, sorry to UP this old post but I ask...

Hello,

sorry to UP this old post but I ask myself exactly the same question. I have an old Rockshox SID, around 1999, do you know if the most common adaptor, this one:
SKS Rockshox Sid Adaptor |...
Forum: Cyclocross and Gravelbiking (Recreational)
05-31-16, 03:26 PM
Replies: 3
Views: 2,212
Posted By Celika

Hello I have these tires on my CX, since...

Hello

I have these tires on my CX, since ~100km, and they look good. Not so bad on road (not too slow), OK offroad as long as you don't go into mud, medium comfort (~3 bar for me, but when you go...
Forum: Folding Bikes
03-19-16, 07:32 AM
Replies: 51
Views: 27,749
Posted By Celika

Hi zoom: I knew it was a reversed derailleur...

Hi
zoom: I knew it was a reversed derailleur but doubted about the compatiblity with an usual shifter, tanks for the info :) .

nz6666: I have a Motobecane progress and a Btwin Bfold 3, with...
Forum: Folding Bikes
03-16-16, 03:35 PM
Replies: 51
Views: 27,749
Posted By Celika

You talk about this post ? ...

You talk about this post ?
http://www.bikeforums.net/folding-bikes/1028876-eurobike-2015-dahon-announces-curl-record-seventh-time-5.html#post18597075
I haven't read the forum recently, but it's...
Forum: Folding Bikes
03-16-16, 01:46 PM
Replies: 51
Views: 27,749
Posted By Celika

Nice idea, I'll clean the plastic, put some epoxy...

Nice idea, I'll clean the plastic, put some epoxy into the crack, and look how it evolves. If your mechanic don't panic about it, it must don't be so serious.

But in the same time, I really think...
Forum: Folding Bikes
03-16-16, 12:37 PM
Replies: 51
Views: 27,749
Posted By Celika

Hello ! The bike is back on the road ! One...

Hello !

The bike is back on the road ! One year after I bought it :D .

I was looking for a good steel grade rod as my new axle, but as it's a little bit hard to found in a so little diameter, I...
Forum: Folding Bikes
01-06-16, 02:11 PM
Replies: 51
Views: 27,749
Posted By Celika

The photo is not really good and the paint have a...

The photo is not really good and the paint have a lot of scratches, but it's a good remark. It would be good to remove the paint around the hinge and the welds, at least around possible cracks...
Forum: Folding Bikes
01-01-16, 03:22 PM
Replies: 51
Views: 27,749
Posted By Celika

The pin broke at the level of the bottom of...

The pin broke at the level of the bottom of center bushing (an old photo must be more clear)
http://forum.dahon.com/uploads/default/224/2af5cf437f9fb12b.jpg
I guess it's the point where most of the...
Forum: Folding Bikes
01-01-16, 01:51 PM
Replies: 51
Views: 27,749
Posted By Celika

I could possibly buy a replacement pin...

I could possibly buy a replacement pin effectively, but it would be expenive (I guess) and here I can choose a steel grade with the betters characteristics (hard enough but not too much britle) , to...
Forum: Folding Bikes
01-01-16, 12:58 PM
Replies: 51
Views: 27,749
Posted By Celika

Hello (and happy new year), I have some news. I...

Hello (and happy new year), I have some news.
I tried again to drill the axle, but this time with a carbide bit, and it's really more efficient than cobalt bit. During the drilling, the axle went...
Forum: Folding Bikes
07-12-15, 02:41 AM
Replies: 51
Views: 27,749
Posted By Celika

Hello, and thanks for the answers. pope...

Hello, and thanks for the answers.

pope face: good idea to block the pin while drilling. For the trick about heat and cold the frame I'm rather unwilling, frames have usualy a heat treatment, and...
Forum: Folding Bikes
06-29-15, 08:31 AM
Replies: 51
Views: 27,749
Posted By Celika

Okay. So you have drill the pin ? Mine rotate too...

Okay. So you have drill the pin ? Mine rotate too into the hinge, is rather "free" to move, and it's really hard to drill... I'll try with a carbide bit.

I've finish to reassemble quickly the...
Forum: Folding Bikes
06-27-15, 04:41 AM
Replies: 51
Views: 27,749
Posted By Celika

Thanks for the idea. It seems that you replaced...

Thanks for the idea. It seems that you replaced your hinge pin by a screw ? How did you remove the original axle ?
Forum: Folding Bikes
06-26-15, 02:22 PM
Replies: 51
Views: 27,749
Posted By Celika

Hello Thanks for the reply. I have not begin...

Hello

Thanks for the reply. I have not begin already to reassemble the bike, I waited for some advices about the play staying in the hinge, to don't have to disassemble it again if I had to weld...
Forum: Folding Bikes
06-20-15, 02:36 PM
Replies: 51
Views: 27,749
Posted By Celika

Hello, nobody ?... I know it's hard to give an...

Hello,
nobody ?... I know it's hard to give an objective opinion without seeing the bike for real, but don't some peoples here had a play in the hinge of them bike ? Do you continue to use it ?
I'm...
Forum: Folding Bikes
06-11-15, 02:01 PM
Replies: 51
Views: 27,749
Posted By Celika

Hello all ! I've made a new clamp system,...

Hello all !

I've made a new clamp system, based on the original, but... bigger ! An so cheaper than a (rare) spare part.
But it's a DIY part, so be carefull if you try to do the same... It's the...
Forum: Folding Bikes
05-19-15, 10:07 AM
Replies: 25
Views: 9,804
Posted By Celika

Hello Sorry for the "big up" of the message...

Hello

Sorry for the "big up" of the message but I can't send private messages yet...

I really like the job you've done on your Dahon, I think about do the same on mine, but I have a question:...
Forum: Folding Bikes
04-30-15, 04:04 PM
Replies: 51
Views: 27,749
Posted By Celika

Hi Firstly, I've make a big mistake during...

Hi

Firstly, I've make a big mistake during the setting of the hinge: I had screwed a maximum the screw whereas it needed to be unscrew to tight the hinge :notamused:... So I have unscrew it, and...
Forum: Folding Bikes
04-29-15, 11:59 PM
Replies: 51
Views: 27,749
Posted By Celika

Sorry, I believe i misspoke. I just mean that...

Sorry, I believe i misspoke. I just mean that even IF the frame could close tighly, I couldn't be in trust to the frame with such a play on the hinge.

The axle which go through the hole of the...
Forum: Folding Bikes
04-29-15, 02:31 PM
Replies: 51
Views: 27,749
Posted By Celika

If the frame don't close cause of the play in the...

If the frame don't close cause of the play in the axle, a new clamp will not resolve it, but I'll make a new axle for the clamp too.

Sorry I don't really understand the last part of your message,...
Forum: Folding Bikes
04-28-15, 02:49 PM
Replies: 51
Views: 27,749
Posted By Celika

cpg: I'll see when the pin will be pull out of...

cpg: I'll see when the pin will be pull out of the hinge, but I also thought to enlarge the hole and put a bigger pin, as the material is rather oversize. It seems that a good 8mm screw can support...
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