Search: Posts Made By: PMK
Showing results 1 to 50 of 1000
Search took 0.45 seconds.
05-07-19, 03:57 AM
Replies: 11
Views: 2,444
Posted By PMK

When my spares of nee brake pads run low, I will...

When my spares of nee brake pads run low, I will give DP a look again.
05-01-19, 05:10 AM
Replies: 11
Views: 2,444
Posted By PMK

I have run DP brakes in my KTM. Where did you...

I have run DP brakes in my KTM. Where did you locate them for bicycles? Each time I have checked, none were available.

Regarding Avid cable brakes, typically, Avid oem pads have worked best for...
03-15-19, 04:07 AM
Replies: 3
Views: 788
Posted By PMK

We run Slime brand tubes in the off road tandem. ...

We run Slime brand tubes in the off road tandem.

No comment regarding how it effects a CO2 since I never use them.

As for pumps, in the 11 years of using Slime tubes in our off road tandems,...
03-13-19, 05:50 AM
Replies: 28
Views: 4,272
Posted By PMK

#3...

#3 (https://www.bikeforums.net/usertag.php?do=list&action=hash&hash=3) , wanted to clarify a bit. I would not truly consider SOORTA as unofficial, but rather a different format that works for almost...
03-04-19, 08:55 PM
Replies: 3
Views: 1,237
Posted By PMK

Friday was an early ride and after lunch ride. ...

Friday was an early ride and after lunch ride. Both were from the remote start location at Ross Prarie Trailhead. This allowed the group to ride trails not normally ridden during previous SOORTA...
03-04-19, 08:36 PM
Replies: 3
Views: 1,237
Posted By PMK

Word was 22 teams attended.

Word was 22 teams attended.
02-25-19, 08:08 PM
Replies: 28
Views: 4,272
Posted By PMK

Who are you? And will you ever make it to...

Who are you? And will you ever make it to Santos...
02-19-19, 03:53 AM
Replies: 3
Views: 1,237
Posted By PMK

SOORTA Santos

Just curious, how many here are planning to attend?
02-19-19, 03:50 AM
Replies: 17
Views: 2,500
Posted By PMK

Not sure what the original poster has or is...

Not sure what the original poster has or is doing. Certainly some great advice. I though would lean a bit differently than some suggestions, considering the teams size and I believe being new to...
02-16-19, 05:00 AM
Replies: 32
Views: 3,464
Posted By PMK

For those that have not read the link to the...

For those that have not read the link to the engineering paper, it is a good read. The paper dealt with exactly the same type failure.

Even after reading it, I have no plans to move away from DT...
02-13-19, 06:18 PM
Replies: 28
Views: 4,272
Posted By PMK

Jeff and Darla from Arkasas Al and Sandy from...

Jeff and Darla from Arkasas
Al and Sandy from New Hampshire or Vermont, I forget

Both teams are quick, and so much fun to ride with and hang around with. We spent time with both teams at ETOR...
02-13-19, 10:09 AM
Replies: 28
Views: 4,272
Posted By PMK

Maybe one of the other events will work for you. ...

Maybe one of the other events will work for you.

Here in Florida we have a bunch of off road tandem teams. There is a core group of 5 teams. Wish we could meet up more but seems to be something...
02-13-19, 08:07 AM
Replies: 28
Views: 4,272
Posted By PMK

I tried your link, but did not see the event. At...

I tried your link, but did not see the event. At a guess it is either Bentonville or Breckenridge.

Yes, for the most part, the MTBR Tandom section kind of slowed to a crawl, while other stuff...
02-12-19, 04:52 PM
Replies: 28
Views: 4,272
Posted By PMK

SOORTA Santos, March 1 to March 3, 2019. This is...

SOORTA Santos, March 1 to March 3, 2019. This is the third year for it officially. Great time, great trails, great people. Not sure how many bikes this year, but should be fun.
02-12-19, 07:03 AM
Replies: 32
Views: 3,464
Posted By PMK

On the road, the tooth count on the drive rings...

On the road, the tooth count on the drive rings is not that important regarding strength. Yes the OP destroyed them, but in the off road tandems, I am certain we induce greater driveline impacts and...
02-11-19, 06:50 AM
Replies: 28
Views: 4,272
Posted By PMK

https://cimg9.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg9.ibsrv.net/gimg/bikeforums.net-vbulletin/528x960/1e6b8fd3_e786_4957_87f0_e527c0a87c99_58a1e6fcab78b9d8759bfecb83bd5b75242fa846.jpeg


Off road tandeming is not for everyone, but those...
02-07-19, 06:08 AM
Replies: 32
Views: 3,464
Posted By PMK

This is, if not the strongest drive setup it is...

This is, if not the strongest drive setup it is certainly one of the strongest.
Considering tne abuse our DT hub experiences on the mountain tandem the strength is substantial.

As for why these...
02-06-19, 06:41 AM
Replies: 32
Views: 3,464
Posted By PMK

We run DT hubs on both our road and mountain...

We run DT hubs on both our road and mountain tandem, and previously sold mountain tandems.

18 teeth is strongest since the tooth depth is deeper.

Never have we had a star ratchet chip like...
01-21-19, 06:48 AM
Replies: 59
Views: 3,607
Posted By PMK

Interesting, I have seen either all steel, all...

Interesting, I have seen either all steel, all titanium, or 3 ti and 3 aluminum, but never 6 aluminum disc retaining bolts on the same disc. The bikes that were mixed bolts were all singles too.
...
01-20-19, 04:19 AM
Replies: 59
Views: 3,607
Posted By PMK

Aluminum or anodized titanium disc to hub bolts?

Aluminum or anodized titanium disc to hub bolts?
01-14-19, 05:12 AM
Replies: 59
Views: 3,607
Posted By PMK

As for that brake pad being metallic or not, show...

As for that brake pad being metallic or not, show a photo of the friction material after it has been cleaned. Also, clean new pads and the discs prior to installing new pads.

As for swapping to...
01-12-19, 03:39 PM
Replies: 59
Views: 3,607
Posted By PMK

Wanted to add, almost appears the slotted disc...

Wanted to add, almost appears the slotted disc has been overheated to some extent.
01-12-19, 03:35 PM
Replies: 59
Views: 3,607
Posted By PMK

Slotted type, but it tends to buzz a bit more...

Slotted type, but it tends to buzz a bit more when applying brakes.
01-12-19, 04:30 AM
Replies: 59
Views: 3,607
Posted By PMK

While you have it apart, ensure you have metalic...

While you have it apart, ensure you have metalic brake pads and not organic or semi metallics.

Sanding the discs, your sander, if electric and for woodworking, it may not be best. If you have an...
01-10-19, 07:40 AM
Replies: 59
Views: 3,607
Posted By PMK

Agree. Attention to a few details gets results. ...

Agree. Attention to a few details gets results. Acetone does well to clean the surfaces of metalic pads also. Not a fan to read when people substitute acetone based nail polish remover for true...
01-10-19, 07:29 AM
Replies: 59
Views: 3,607
Posted By PMK

My reply was not focused on a manufacturer...

My reply was not focused on a manufacturer selecting the proper ratio of piston diameters, but rather in reference to your reference material of how hydraulics operate and you representing how...
01-09-19, 06:28 AM
Replies: 59
Views: 3,607
Posted By PMK

Avid BB7 brakes can work very well. Recently I...

Avid BB7 brakes can work very well. Recently I just purchased a used single bike with them. The previous owner had done a poor and incorrect installation in regards to mounting the caliper brackets...
01-09-19, 06:02 AM
Replies: 59
Views: 3,607
Posted By PMK

Fully understand hydraulics and the ability of...

Fully understand hydraulics and the ability of hydraulics to multiply force.

The downside to multiply hydraulic force is the requirement of piston A vs Piston B linear travel. Multiplied you no...
01-06-19, 04:17 PM
Replies: 11
Views: 1,126
Posted By PMK

Depending upon if tney are making carbon fibres...

Depending upon if tney are making carbon fibres or graphite fibres, the temps vary a bit. Up to 3500 degrees C to make the fibres.

Most epoxies have issues starting at a few hundred degrees. ...
01-05-19, 05:29 AM
Replies: 11
Views: 1,126
Posted By PMK

Did not read the articles, are they using MMC...

Did not read the articles, are they using MMC that is aluminum based? MMC is very cool stuff. In certain types of construction, it reduces grain line stress.

Seems unlikely they would build a...
11-07-18, 08:22 AM
Replies: 6
Views: 653
Posted By PMK

To lazy to pull down the box with those cranks...

To lazy to pull down the box with those cranks FSA cranks in it. We run Race Face Tandem cranks so so looseness issues with those for us.
Could be the Loctite was on the Stoker cranks and not the...
11-06-18, 03:54 PM
Replies: 6
Views: 653
Posted By PMK

I may be wrong, but thought that when I spoke to...

I may be wrong, but thought that when I spoke to FSA regarding parts for our tandem cranks, they indicated the Gossamers were to have A certain grade of Loctie applied to the clean splines to prevent...
08-19-18, 08:48 AM
Replies: 9
Views: 727
Posted By PMK

Cool replies. We have had a Fandango 29. Great...

Cool replies. We have had a Fandango 29. Great bike and saw many miles off road with a Thudbuster.

The YBB, unlike the Thudbuster lets the wheel move.

I I do follow through on any of tnis,...
08-19-18, 05:00 AM
Replies: 9
Views: 727
Posted By PMK

Something like this in a road tandem Mooto X...

Something like this in a road tandem

Mooto X YBB - Moots (http://moots.com/bike/mooto-x-ybb-29/)
08-19-18, 04:55 AM
Replies: 9
Views: 727
Posted By PMK

We have a mountain tandem, fully suspended and it...

We have a mountain tandem, fully suspended and it would no doubt float over those bumps without slowing or losing efficency. However, it is not an ideal road tandem.

My focus is more leaning...
08-15-18, 07:50 PM
Replies: 9
Views: 727
Posted By PMK

We have used a Thudbuster on our Fandango. ...

We have used a Thudbuster on our Fandango. Seatpost suspension has merits, but does, actually pretty much must move the rider to function. The YBB does not move the rider position at all. YBB is...
08-14-18, 05:19 AM
Replies: 9
Views: 727
Posted By PMK

Road Tandem with Suspension???

Curious, has anyone ever seen, or ridden a road tandem with rear suspension. Not long travel, but something say like a Moots YBB setup. Minimal increase in weight, and done right could improve...
08-11-18, 07:03 AM
Replies: 98
Views: 8,981
Posted By PMK

Read the words I wrote and the intended meaning. ...

Read the words I wrote and the intended meaning. You are reading far too much into what was written. Sad to read, meaning bummer the customer was not happy with the bike and bummer the customer...
08-10-18, 08:24 AM
Replies: 98
Views: 8,981
Posted By PMK

I agree and yet disagree. Calfee has shown...

I agree and yet disagree. Calfee has shown photos of lug style single and tandems on their website. Calfee also has instruction video on building the DIY Bamboo bike. It seems when a manufacturer...
08-10-18, 06:37 AM
Replies: 98
Views: 8,981
Posted By PMK

Essentially true. With that said, I referr back...

Essentially true. With that said, I referr back to my comment regarding the construction technique. I do not know if Landshark uses a mitered tube with wraps like Calfee does, or if the utilize...
08-09-18, 12:48 PM
Replies: 98
Views: 8,981
Posted By PMK

Beyond pretty, and structural, plus compliance...

Beyond pretty, and structural, plus compliance conformity, aerodynamic smoothness is paramount for many high performance carbon composites. In those situations, many factors are incorporated in...
08-09-18, 06:03 AM
Replies: 98
Views: 8,981
Posted By PMK

No doubt this being the internet, I have no...

No doubt this being the internet, I have no reference of your experience or ability working with carbon composites, in the same way you have no gauge of my experience working with those materials.
...
08-08-18, 07:56 AM
Replies: 98
Views: 8,981
Posted By PMK

Yes and no to the easy to repair. On a molded...

Yes and no to the easy to repair. On a molded frame there is no means to internally accomplish the mods unless you cut it open. On a Calfee with essentially a tube and fillet type construction,...
07-28-18, 05:24 AM
Replies: 98
Views: 8,981
Posted By PMK

Obviously, the customer was unhappy, and by...

Obviously, the customer was unhappy, and by whatever means, customer service was utilized and an apparent refund was sent.

Speculation allows many theories to be inagined. The fact remains, the...
07-10-18, 04:39 AM
Replies: 41
Views: 5,772
Posted By PMK

These charts and graphs are sometimes cool to...

These charts and graphs are sometimes cool to see.

I enjoy the way the carbon is so superior, or is it...This chart is in regards to tensile strength, merely one stress load direction induced into...
07-10-18, 04:20 AM
Replies: 41
Views: 5,772
Posted By PMK

Recently, my opinion regarding the fitted carbon...

Recently, my opinion regarding the fitted carbon tubes followed by wrapped joints was changed. In the past, I always believed that the wrapped joint construction was a means to a carbon fibre frame...
02-26-18, 05:50 AM
Replies: 11
Views: 1,155
Posted By PMK

Simply, after seeing the photo, the inner...

Simply, after seeing the photo, the inner chainring is worn out. No big deal, it happens.

Often, as you do get miles on the drivetrain, it is a good visual inspection looking for burrs on the...
02-25-18, 05:02 AM
Replies: 10
Views: 2,030
Posted By PMK

According to the companies that sell the chain...

According to the companies that sell the chain wax products (not Maxima spray on product called “Chain Wax”), the chain must pretty much spotlessly degreased in order for the wax to adhere and coat...
02-25-18, 04:58 AM
Replies: 11
Views: 1,155
Posted By PMK

Have also seen where bikes were upgraded in the...

Have also seen where bikes were upgraded in the number of rear cassette gearing, but the inner front chainring was left on and was unfortunately too wide for the chain.

In short, a narrower chain...
02-22-18, 06:14 PM
Replies: 15
Views: 3,362
Posted By PMK

FWIW, many of the teams on tandem mountain bikes...

FWIW, many of the teams on tandem mountain bikes run very similar with good results. Assuming you get enough gearing and the jumps from gear to gear fit your spin, it should reliably work well.
Showing results 1 to 50 of 1000
 


 
Forum Jump

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2018 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.