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Search: Posts Made By: ironhanglider
Showing results 1 to 50 of 63
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Forum: Bicycle Mechanics
03-16-21, 06:06 PM
Replies: 33
Views: 2,102
Posted By ironhanglider

If you are going to be riding amongst unexploded...

If you are going to be riding amongst unexploded ordinance, you'd best be using bombproof wheels...

(I'll see myself out)

Cheers,

Cameron
Forum: Bicycle Mechanics
12-22-20, 05:56 PM
Replies: 11
Views: 1,449
Posted By ironhanglider

Quite right, but I can think of two reasons why...

Quite right, but I can think of two reasons why someone might choose to run a narrower timing chain.

One is to have the same type of chain as the drive chain, with two joining links to ensure that...
Forum: Bicycle Mechanics
12-08-20, 08:33 PM
Replies: 19
Views: 1,791
Posted By ironhanglider

A good point KCT1986, I hadn't thought through...

A good point KCT1986, I hadn't thought through the rest of the requirements.

Furthermore a longer cage would only solve the capacity (wrap) issue with the 740x derailleur. The short body of the...
Forum: Bicycle Mechanics
12-08-20, 06:58 PM
Replies: 19
Views: 1,791
Posted By ironhanglider

I'm with FastJake here. The OP's goals of hidden...

I'm with FastJake here. The OP's goals of hidden cables and 8 (or7) speed shifting can be achieved with Modern Sora (ST-R3030-L and ST-R3000-R) shifters and a vintage Dura Ace RD-74XX rear...
Forum: Bicycle Mechanics
11-13-20, 06:55 AM
Replies: 10
Views: 842
Posted By ironhanglider

Alas no. Self extracting bolts have a ring that...

Alas no. Self extracting bolts have a ring that screws into the crank threads, typically they have two or more holes for use with a pin spanner. These bolts are just regular Allen key crank bolts...
Forum: Bicycle Mechanics
11-06-20, 12:01 AM
Replies: 9
Views: 1,198
Posted By ironhanglider

ISO or JIS? Thought that there was something...

ISO or JIS?

Thought that there was something screwy going on. Is a Howitzer BB going to be the cheapest solution?

Cheers,

Cameron
Forum: Bicycle Mechanics
11-02-20, 11:23 PM
Replies: 9
Views: 1,198
Posted By ironhanglider

Apparently the Truvative Hussefelt cranks need a...

Apparently the Truvative Hussefelt cranks need a Howitzer BB. Whilst it looks similar it is not compatible with ISIS. I hadn't heard of Howitzer BB's until now...

Cheers,

Cameron
Forum: Bicycle Mechanics
11-01-20, 07:36 PM
Replies: 9
Views: 1,198
Posted By ironhanglider

Different size pedal? Is one of the cranks a...

Different size pedal?

Is one of the cranks a 600 or Dura-Ace dx crank with the oversize pedal threads?

They had a BB attachment that looked a lot like Isis, but they pre-date Isis by about 20...
Forum: Classic & Vintage
10-30-20, 07:48 AM
Replies: 2
Views: 500
Posted By ironhanglider

Ofmega Mistral Pista spindle length

I wonder if anyone out there is an Ofmega aficionado. I need to know the proper spindle length for an Ofmega Mistral - Pista crankset.

I recently bought a set of Ofmega Mistral Pista cranks for my...
Forum: Bicycle Mechanics
10-29-20, 08:13 PM
Replies: 16
Views: 1,435
Posted By ironhanglider

It is always confusing to try and describe wheel...

It is always confusing to try and describe wheel lacing in words, but yet I'll try.

I think the 'opposite' being referred to here is the difference between typical machine-built wheels and...
Forum: Bicycle Mechanics
10-21-20, 05:52 PM
Replies: 15
Views: 1,107
Posted By ironhanglider

Vulcaninsing fluid (patch glue) will evaporate...

Vulcaninsing fluid (patch glue) will evaporate faster in higher temperatures. I have a small fridge in my garage/workshop that is primarily for the storage of patch glue and throat lubricant.
...
Forum: Tandem Cycling
10-17-16, 04:58 AM
Replies: 102
Views: 17,126
Posted By ironhanglider

I think that bwebel is slightly mis-remembering...

I think that bwebel is slightly mis-remembering something I posted.

I was the race pilot for a heavy team+tandem (220kg). We had a heat related incident on the way to the start of a race that...
Forum: Tandem Cycling
09-24-16, 06:21 AM
Replies: 6
Views: 4,084
Posted By ironhanglider

A friend of mine bought an old Cannondale road...

A friend of mine bought an old Cannondale road tandem, I think older than yours (it was a 3 x 9spd). Whilst it was equipped with V brakes (and travel agents) when he got it, it also had the tabs on...
Forum: Tandem Cycling
07-27-15, 12:28 AM
Replies: 42
Views: 8,046
Posted By ironhanglider

Insufficient tension on the chain is unlikely to...

Insufficient tension on the chain is unlikely to be the reason that the chain is skipping, otherwise it'd be diabolical on the smaller cogs. Besides I'm running up to a 11-34 cassette with an...
Forum: Tandem Cycling
07-01-15, 07:47 AM
Replies: 1,509
Views: 669,245
Posted By ironhanglider

Aww gee thank you WPH, you make me blush, and...

Aww gee thank you WPH, you make me blush, and feel bad for not having written up last weekend's effort.

Cheers,

Cameron.
Forum: Tandem Cycling
06-30-15, 06:01 AM
Replies: 1,509
Views: 669,245
Posted By ironhanglider

461604 John is a vision impaired cyclist, and I...

461604
John is a vision impaired cyclist, and I have been his race pilot since 2011. I only ride with him on weekends, and he rides with others during the week. We race amoung single bikes with...
Forum: Tandem Cycling
06-28-15, 07:57 AM
Replies: 23
Views: 9,369
Posted By ironhanglider

Actually 8spd brifters (not Dura-Ace) will work...

Actually 8spd brifters (not Dura-Ace) will work just fine with 7spd systems. The spacings remained the same between the two. You will just have an extra click which you won't be able to use.
...
Forum: Tandem Cycling
06-28-15, 07:30 AM
Replies: 30
Views: 4,701
Posted By ironhanglider

Hi Wayne, We managed to stay upright but it...

Hi Wayne,

We managed to stay upright but it was exciting moment nonetheless.

We had no problems this year. The bike now runs dual discs.

Looking for photos, there are not many around but...
Forum: Tandem Cycling
06-27-15, 05:46 AM
Replies: 30
Views: 4,701
Posted By ironhanglider

Hi Wayne, I can't answer the other...

Hi Wayne,

I can't answer the other questions, but I can answer this one to an extent. We run tubular tyres on the race tandem. We are a heavy team at 200kg including bike, but at the time of...
Forum: Tandem Cycling
06-27-15, 04:12 AM
Replies: 330
Views: 188,286
Posted By ironhanglider

Many lesser quality tandems do not have an...

Many lesser quality tandems do not have an eccentric. I for one prefer a Ghost chainring to a tension pulley arrangement.

Cheers,

Cameron
Forum: Tandem Cycling
05-19-15, 02:10 AM
Replies: 12
Views: 8,448
Posted By ironhanglider

Just as an extension to the "use the same sync...

Just as an extension to the "use the same sync chain and drive chain" philosophy. If you are going to use two quick links anyway, make sure the long part of your sync chain is the same length as...
Forum: Tandem Cycling
03-02-15, 06:08 AM
Replies: 39
Views: 6,196
Posted By ironhanglider

Hi bobthib, my comment came from the photo of you...

Hi bobthib, my comment came from the photo of you and Joy in particular appears to show your cranks at being more than 90 degrees ahead of hers, which intrigued me.

We tried 90 degrees OOP with...
Forum: Tandem Cycling
02-26-15, 03:19 AM
Replies: 39
Views: 6,196
Posted By ironhanglider

Great to see the updates. You seem to have...

Great to see the updates. You seem to have unique "phasing" for your cranks. Was that a considered decision, or did it just happen?

From my observations In-phase cranks are the vast majority,...
Forum: Tandem Cycling
10-21-14, 04:56 AM
Replies: 11
Views: 1,882
Posted By ironhanglider

My regular race stoker has a different pedal...

My regular race stoker has a different pedal action to me and manages to start applying power a few degrees before I do when the cranks are in phase, at least when we are seated.

We experimented...
Forum: Tandem Cycling
08-26-14, 12:34 AM
Replies: 6
Views: 1,073
Posted By ironhanglider

Hi vmhe, You don't need to remove the...

Hi vmhe,

You don't need to remove the seatpost in order to measure the seat tube, but it is a good idea to do it anyway.

Since the kiddy cranks bolt onto the outside of the tube, that is the...
Forum: Tandem Cycling
06-22-14, 04:27 AM
Replies: 16
Views: 2,283
Posted By ironhanglider

You mean like this? ...

You mean like this?

https://www.youtube.com/watch?v=gbCshB3eSCc

Need to work out how to include really wide gear ratios for tandem use, but it doesn't seem like it is far away.

Cheers,
...
Forum: Tandem Cycling
06-19-14, 05:26 AM
Replies: 1
Views: 751
Posted By ironhanglider

How about: ...

How about:

https://www.youtube.com/watch?v=hS3BLySqep8

and

https://www.youtube.com/watch?v=Ml4HN3B51kc

And one to show that they don't all collide.
Forum: Tandem Cycling
06-01-14, 06:48 AM
Replies: 24
Views: 2,304
Posted By ironhanglider

There are a whole bunch of cheaper cameras...

There are a whole bunch of cheaper cameras usually labelled Jumbo #x (http://www.bikeforums.net/usertag.php?do=list&action=hash&hash=x) (where x is a number like 11,16,18 etc). There is also a lot...
Forum: Tandem Cycling
05-29-14, 07:11 AM
Replies: 24
Views: 2,304
Posted By ironhanglider

This footage was taken using a couple of Mobius...

This footage was taken using a couple of Mobius cameras, mounted using a cheap torch mount which I disassembled giving one 'inline' mount for the stem, and one 'transverse' mount for bars or my...
Forum: Tandem Cycling
05-22-14, 06:09 AM
Replies: 7
Views: 1,503
Posted By ironhanglider

Some similarities to this BSA. Vintage BSA...

Some similarities to this BSA.

Vintage BSA Tandem Frame Parts PRE WW2 Rare Barn Find | eBay...
Forum: Tandem Cycling
03-11-14, 05:10 AM
Replies: 53
Views: 28,526
Posted By ironhanglider

Are the rims really only rated to 80psi? (5 bar)...

Are the rims really only rated to 80psi? (5 bar) Or did I misread the label?

Cheers,

Cameron
Forum: Tandem Cycling
03-11-14, 05:08 AM
Replies: 8
Views: 4,013
Posted By ironhanglider

They seem to be well regarded race bikes. For...

They seem to be well regarded race bikes. For example, the Orange Tandem is a Duratec. Tandem Road and Track Racing in Australia - Orange Tandem Racing Team (http://orangetandem.com.au) There are...
Forum: Tandem Cycling
03-03-14, 12:18 AM
Replies: 37
Views: 4,961
Posted By ironhanglider

There are deeper aluminium rims around, but they...

There are deeper aluminium rims around, but they come with a weight penalty. H Plus Son make a 42mm rim (SL42) http://www.hplusson.com/products which they say weighs in at 615g, I have some 45mm...
Forum: Tandem Cycling
02-28-14, 05:50 AM
Replies: 37
Views: 4,961
Posted By ironhanglider

Why would't Bill's technique work just as well on...

Why would't Bill's technique work just as well on a bike with dual discs?

FWIW I ride a bike with dual discs but have retained the option of reinstalling the original V brake on the rear as a...
Forum: Tandem Cycling
01-27-14, 05:10 AM
Replies: 5
Views: 977
Posted By ironhanglider

The Rohloff option would certainly be a neat...

The Rohloff option would certainly be a neat solution, but it doesn't come cheap.

It sounds as if the frame was originally 140 and had been brought in when the smaller OLD wheel was fitted. ...
Forum: Tandem Cycling
01-24-14, 03:37 AM
Replies: 5
Views: 977
Posted By ironhanglider

Do you mean 145mm or are you planning on widening...

Do you mean 145mm or are you planning on widening your frame?

Is there already a problem with your current wheel?

Are you planning on building/rebuilding wheels yourself or do you expect to...
Forum: Tandem Cycling
01-08-14, 06:45 AM
Replies: 36
Views: 7,201
Posted By ironhanglider

I'm also in the camp of not spending much on it,...

I'm also in the camp of not spending much on it, unless the point of doing so is because you simply like tinkering.

I also have an old steel tandem, which came with 126mm rear spacing and a...
Forum: Tandem Cycling
01-08-14, 05:55 AM
Replies: 15
Views: 1,744
Posted By ironhanglider

I regularly run tyres over pressured and have not...

I regularly run tyres over pressured and have not had any dramas. Frequently to the tune of 125%. Not that a sample size of 1 counts for much.

The safety aspects are an increased risk of tyre...
Forum: Tandem Cycling
01-01-14, 04:42 AM
Replies: 20
Views: 1,697
Posted By ironhanglider

You didn't mention replacing the cable inners or...

You didn't mention replacing the cable inners or checking the functioning of the shift mate. I worked on a tandem recently where the travel agent (same idea different cable) was gummed up and not...
Forum: Tandem Cycling
12-12-13, 06:26 AM
Replies: 5
Views: 2,750
Posted By ironhanglider

Hi WPH, The easiest way to fit a stoker...

Hi WPH,

The easiest way to fit a stoker stem is to use a shim to make the pilot seatpost 28.6mm in diameter and then install a standard 1 1/8" stem, this lets you select from a variety of angles...
Forum: Tandem Cycling
12-09-13, 01:47 AM
Replies: 5
Views: 2,750
Posted By ironhanglider

You talk about having an adult stoker ride the...

You talk about having an adult stoker ride the bike on occasion. and leaving the kiddy cranks in place.

Here is how I set up a similar system to swap my bike between commuter mode (2 kids one with...
Forum: Tandem Cycling
12-03-13, 04:23 AM
Replies: 14
Views: 1,466
Posted By ironhanglider

Definitely an illusion. The timing chain runs on...

Definitely an illusion. The timing chain runs on the left side of the right crank, just like it would if there was a chainring on it and it is no worse than the arrangement on the other side. I'm...
Forum: Tandem Cycling
11-21-13, 05:14 AM
Replies: 18
Views: 3,415
Posted By ironhanglider

Hi Jac, That Santana sure looks the goods. ...

Hi Jac,

That Santana sure looks the goods. Hard to know how worn the running gear is. Hard to tell from the photos about the fork. The good folks here will confirm but I think that the dodgy...
Forum: Tandem Cycling
11-19-13, 06:28 AM
Replies: 18
Views: 3,415
Posted By ironhanglider

FITAbility are easier to find. You can also find...

FITAbility are easier to find. You can also find me at ACTVCC races most weekends (382), often on a black tandem with John, it's owner.

Also worth noting is the single size available for the...
Forum: Tandem Cycling
11-04-13, 05:18 PM
Replies: 28
Views: 2,263
Posted By ironhanglider

A few random thoughts: Are her feet actually...

A few random thoughts:

Are her feet actually connected? If not it can be really disconcerting if you feel like you have to chase the pedals just to keep your feet on.

Shorter cranks are easier...
Forum: Tandem Cycling
10-31-13, 05:56 AM
Replies: 15
Views: 4,772
Posted By ironhanglider

Why be a weight weenie to the tune of a a couple...

Why be a weight weenie to the tune of a a couple of mouthfulls of water in a bottle? You can't sustain good power if you're not comfortable. You might get a better power to weight ratio even with...
Forum: Tandem Cycling
10-25-13, 06:34 PM
Replies: 13
Views: 1,254
Posted By ironhanglider

It can be done but single bike cranks are likely...

It can be done but single bike cranks are likely to be problematic on a tandem. Typically the sync chain is on the left, so if you put the cranks on backwards you will end up with a right hand...
Forum: Tandem Cycling
09-13-13, 12:04 AM
Replies: 4
Views: 601
Posted By ironhanglider

No. (unless they have a friction mode) 9spd...

No. (unless they have a friction mode)

9spd indexed levers will require a 9spd cassette and chain. The good news is that there is no need to change the derailler if it is still functioning well....
Forum: Tandem Cycling
07-21-13, 06:01 AM
Replies: 6
Views: 1,277
Posted By ironhanglider

More teeth do equal less stress. However I...

More teeth do equal less stress. However I suspect that it will get increasingly difficult to find big enough chainrings. Some quick maths makes me think that with a 15T cog you'd be looking at...
Forum: Tandem Cycling
07-12-13, 05:23 AM
Replies: 56
Views: 6,795
Posted By ironhanglider

I got my tandem second hand with down-tube...

I got my tandem second hand with down-tube shifters on it. However I already had brifters in my parts collection and so I fitted them. However a third chainring became more useful than the left...
Showing results 1 to 50 of 63
 
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