I just wrote up the program for our 20th spin session for this winter.  It's hard to believe, it seems to have gone so very quickly.  We've been averaging around 22 people per night at these sessions and apart from one night where Dino did the dinner, Lucie and I have cooked 19 monster spag bolls since the end of daylight savings.  Some stats :

We've used some 81 kilograms of mince beef so far.  My local butcher loves me.

All the enduros have done 1,900 seconds of HCLR and on the bike strength work just in the warmups.

My fluid trainers have been brilliant.  The sprinters know they're in for a hard night if they get the uber-flywheel KKRM, it's a very big ask indeed to get it up and going from a standing start.

I'm not going to do any more sums, but it's been a long and successful winter so far.  We haven't had a huge night like we did last winter, where we had one night some 34 riders show up, but we've had a solid block of regulars who keep coming back and my sprint group has grown too, which I'm very pleased about.

I've also been working for Hilton at the NTID sprint squad for about 4 or 5 months or so I think, that's been a fantastic learning and development opportunity and I expect will lead to bigger things in the future.  I'm responsible now for 11 Powertap track hubs which is a significant percentage of Wheelbuilder's production.  Two of them are mine, 3 NTID, 2 VIS, 3 are Hilton's and 1 is one of the riders.

And last night I did another 125km on the motorbike at DISC motorpacing the sprinters.

It sure adds up fast ...

For many years we've wondered, but here's the truth:

At Keirin School in Japan riders are trained to not release the handlebars when crashing.  This is to (in theory) protect their arms and collarbones.  Many keirin riders in Japan wear body armour that includes shoulder padding which protects them when they fall and they're trained to land on the padding not to extend their arms.  This is also why keirin gloves have armoured knuckes.  If you hold the bars when you crash, guess what hits the deck .. yep, your knuckles!

This is according to Josiah Ng who just got back from a racing tour of Japan where he rode some 90-odd keirins and had no crashes!

I'll cut to the chase (I'm pretty busy working on sprintTracker, my little python program to track sprinters times etc), I'm responsible for some 10 wheelbuilder.com track modified Powertap hubs, two are mine, the rest belong to the VIS, the NTID and Hilton Clarke.

There's a small problem with them involving the chainline.  We never noticed it on mine because it's only about 3.5mm out and I'm no great torque machine and both my and Emily's bikes have reasonably long chainstays so the chainline problem doesn't really show up. However, under some of the NTID and VIS boys who have real motors we hear noises at high power outputs, so we investigated the chainline of the hubs.

Best illustrated with a couple of (poor quality!) photos :

	That's what they look like
	That's what it should look like

 As you can see, even with my crappy mobile phone photography and quickly cobbled up bit of cardboard measuring device, the PT hub puts the sprocket about 3.5mm (the width of the lockring) too far towards the middle of the bike.  I think the guys at Wheelbuilder made a mistake reading the width of the hub and assumed that the sprocket was where the lockring is,  which it isn't. Most people would never notice, the 3.5mm deviation is small and under enduro riders would not show up at all, but put them under a big sprinter putting out a lot of torque and it makes noises and runs rough.

The fix is pretty easy, the hubs have a steel axle end cap that you can see in the top picture (with the flat side to allow you to do it up), that needs to be 3.5mm shorter and the other side needs to be 3.5mm longer.  Then, all the wheels need to be re-dished.  Bugger, most of them were put together by Daryl Perkins and he tied and soldered them, which is a PITA to re-do.

Anyway, these things happen and I'm sure the guys at Wheelbuilder will send us corrected end caps ASAP.  They're smart people and proud of the work they do, they'll want to take responsibility for this and fix it.  In the mean time we can machine down the existing drive-side end caps and put washers under the off-side ones.  It's fiddly and shouldn't have to happen but this is prototype and first generation stuff, we expect a few teething issues.  It's the price of being on the bleeding edge.

I had to defer the DUCCs session this morning due to rain.  Given that it's freezing cold outside and windy it's a good day for being indoors.  I've just been to the butcher to get the 4.5kg of mince beef for tonight's spag boll for Spin and it's bloody cold out!  So today's jobs - work on sprintTracker to get it to the point where I can (still with a lot of manual hacking) enter some individual efforts into the database.  I'm also going to keep chipping away at the sprint drills page.

I did get a good chance to speak with Martin Barras last week, his sprint progression is this :

1. strength
2. power
3. acceleration
4. speed
5. speed-endurance

He has his sprinters gym work set to lead the program by around two weeks.  For example :

In a strength block, they're concentrating on strength in the gym and on the bike (squats, deadlifts, legpress (if you must ...) in the gym, K1's on the bike).  They max out on strength in the gym about two weeks before they do on the bike, and start working on power (cleans, snatch, hang clean pulls, clean pulls, ballistic leg press etc) before they switch the emphasis over to power on the bike, and so on.  The rough gym to bike matchup is this :

I'm going to see if I can get more information about the gym work that Craig Colduck used during the speed and speed-endurance blocks.  Craig wrote a famous article that I have a copy of here.  I'd also like to compare this to how Gary West is programming these days and also John Beasley.  There's many ways to skin the cat!

I'm pretty pleased.  Apart from a positive trend in my peak power output (up, not as much as I'd like, but still consistently going up is good, after a bit of a slump for a few months) I got offered a paid position with the NTID on Tuesday night when I was up at the AIS at the NTID coaching conference.  I didn't want to write about it here until I'd had a chance to talk to a few friends about it.  It's a very part-time position working as an assistant to Hilton Clarke with the Victorian NTID sprint squad.  This is basically what I've been doing for the last few months and it's been recognised by the guys at the NTID and they've committed to paying me to continue to do it.

As you can imagine, I'm very happy about this.  Paid coaching positions are few and far between and this is a great opportunity to develop further as a sprint coach and learn so much more, with a little bit of financial help.  I've done a lot of hours (I guess at roughly 250 hours since February, ~20 weeks, ~13 hours a week, give or take) helping that squad so far for 'free' (really, it's like being at school, I don't expect to get paid when I'm learning and aren't really a lot of use) as well as a bit of paid work while Hilton's been having his knee replaced, which will soon be over. Hilts will be back on deck and I'm sure the guys in the squad will be glad to have him back. 

I've done my best but I'm far from perfect when it comes to running some of the drills, in particular some of the motorpacing stuff is quite tricky to get right and I have a lot of practice and instruction to receive before I'm competent.  Getting the pacing right is critical in drills like motorbike entries, each rider needs a different entry speed, different rate of acceleration and so on, and some need me to go very fast indeed (getting close to 80km/h) which I'm still not comfortable doing.  I hit 80km/h on Saturday pacing one of them, and that's scary-fast on the velodrome on a motorbike.  In some ways it'll be frustrating to have to go back to being the assistant at the training sessions when I've been running the show for about a month, but I'll suck it up and it'll be a good, humbling experience when it happens.

Martin Barras (former Australian Sprint coach) is going to be at DISC on Thursday as part of the level 2 coaching course that's running there at the moment and I'm going to sit in on his session (and not ask any questions, ok!  Yes I will behave, Brendan!) and see what interesting things he has to say.  At the level 2 course I did back in November last year in Adelaide, Craig Colduck was one of the presenters.  Craig was Martin's strength coach and we got the chance to see a lot of the nuts and bolts of his programming style, getting a chance to see how Martin did it directly from him will be great.

We had a good turnout at our DISC session tonight too, I'm pleased to see growth in our little sprint group, I'm gradually handing over the reins to Nathan for the enduro programming and session running, having two of us means I can concentrate on my sprinters while Nath looks after the enduros, so far it's working well and I think everyone who attends is benefitting from having the two of us working together.

We're running an invitational sprint round at DISC on the 9th of July too, which I need a few more riders to attend, if you're interested you can read about it (and the invitational criteria!) here.

And ... I'm going to the AIS/NTID sprint camp in Adelaide in mid July to help out, I'll miss one of our DISC sessions, but Nathan's ok to run it on his own and the sprinters will have plenty of stuff to do without me.

Finally, I've got more track powertaps to play with, I think we've got, between myself, Hilton, the VIS and NTID six of them.  I swapped over the axles in two of the VIS ones today to use studs (conventional track nuts) from the rather fiddly bolts they originally came with.  Darryl Perkins is building the most recent pair of hubs into two more wheels which we should have in a week or two.

It's all go ....

I'm a book junkie, really ... Can't get enough. On the bedside table (ok, my floor...) is "Supertraining" by Mel Siff and a pile of other training books and novels etc.  My latest bit of bedtime reading is the second edition of "Training and Racing with a power meter" which arrived in the mail yesterday.  Not that it matters but this was one of the first copies published and it has the author's signatures in it.  Uhuh ... Someone else scribbled in my book!  Anyway ...

I've got two copies of the first edition (don't ask ...) and one of the second.  Hopefully I won't get another copy of it soon.  A very quick summary; this remains THE book on power training for enduros.  It's not quite totally useless for sprinters, there's a chapter that talks about track for about two pages and doesn't (in my quick scan last night) mention sprint, but there's a page or two on BMX, which is very similar to track sprint.  Hopefully I'll get a chance to read it soon and try to glean something useful from it.  Dr Dan from the VIS and I have been looking at data from some of the VIS sprinters and power is a great tool, but 95% of the book is about endurance thresholds etc which we just don't care about!

I also got another power meter today for aboc, another Powertap, it's the Pro +, and will be used by Nathan with his enduro riders.

Last Friday Rob Monteath, helped a little by Nicko and I as furniture removalists, got new carpet (at long last!) in the Blackburn clubrooms.  This has been a longstanding thing that we've been (more stridently of late) agitating for at committee meetings since the old carpet was removed way back in October last year!

It's done now, and those of us that use the rooms owe Rob a big thankyou for making it happen.

This will make spin a lot quieter!

Also, we had a couple of people from the Whitehorse council come along and have a look at the state of the track.  Nicko, Rob and I gave them a tour of the track and showed them the various faults that need fixing.

In the long term (next 3 or so years) we're hoping that we'll get a new track built. In the meantime there's no budget available for much maintenance work, so the club will have to pony up for any tactical repairs that need to be done.  That's ok, as long as we know about it we can be prepared.

So anyway .. on Monday, Luke Mason from CSV and I took the DISC motorcycle in to Gassit Motorcycles to get fixed up, it had a list of issues that need resolving.  The most critical being the starter motor being flakey.  There was four things in total that needed fixing :

1. Starter motor/battery (make it start reliably)

2. Fix the gearbox/clutch so it will select neutral when hot

3. Fix the cruise control

4. Service & fix oil leak

I picked it up on Wednesday during the NTID sprint training session.  They hadn't fixed the cruise control so I hung around for 30 mins or so while they tried to, then gave up.  (3) not fixed. 

Rode it back to DISC - the trip is about 2.5km, checked the log, 5km since I logged it out on Monday.  Uhuh .. It hasn't been testridden.  And .. IT WON'T GO INTO NEUTRAL!

Right. 

They did change the oil, clean up the engine casing (presumably they fixed the oil leak) and replaced the starter motor.  It cost around $1,100 I think, but it's NOT FIXED!

I've sent Rhys at CSV an email suggesting he tear the guys at Gassit a new one and I'm mightily annoyed, I've spent about half a day of very precious time riding it back and forth from DISC to Gassit etc, and the bloody job is not done.

The current generation of Powertap road power meters (the wireless 2.4GHz ones) mostly come with an aluminium alloy freehub body.  After not very long this happens to them.  Sucks ... It's because making an alloy freehub that works with both 9 and 10 speed Shimano cassettes compromises the design of the freehub.  Of course, the weight weenies want light hubs ... so for the sake of 80 grams (I weighed both the alloy and the steel freehubs today) all but the bottom end Powertap comes with this stupid alloy freehub.

But!  For around $200 or so (in Australia, from a Trek dealer) you can get the PT Elite+ freehub, which is steel (and ... yes ... 80 grams heavier) and swap it into your higher end hub and eliminate the problem!  Win!  It should not cost what it does, but that's not something your LBS can do anything about, wholesale these things are insanely expensive, but they are available and they mean you can swap cassettes with just the one chain whip!  Nice .. when something works like it should.

Enough ranting .. My PT 2.4 is now upgraded to a steel freehub and I'm happy about it.

For anyone interested, here's the power graph from my 13.37s flying 200 at SSS r6 last Sunday.  It was blowing a gale, a huge norwesterly which made for a reasonably quick track (for Blackburn anyway).  I rode on a 53x15 (~96").  It's interesting to see how a flying 200 looks from the point of a power meter.  I'll keep posting this sort of stuff so you can see what these things look like.  The numbers aren't great, but I'm not exactly a great sprinter!  Far from it, but all the same the data is worth looking at.

Yesterday evening I got an email from velogear.com.au.  They're an online bike shop of sorts I think, I haven't had anything to do with them.  Because my review of the KKRM shows up a lot on Google they've asked me to review their (well, it's not theirs, they just sell it) fluid trainer.  They offered to sell me one cheaply or similar as payment for my time reviewing the trainer.  Some trivia, I now own 5 KKRM's!  I'll be grabbing another one today too, we'd better get lots of people at Spin!

I'm not sure what to do, I won't be buying any of their trainers (we have one at CS-M and I wouldn't get one myself or recommend one either), so I'm reluctant to spend the time reviewing it when I know it's not a product I'd ever get myself or suggest to anyone that they buy.

Hrm.  I guess I should say "No but thank you for considering me as a reviewer".  I don't think I want to get involved in reviewing stuff for personal gain.

At the Australia Day Madison, way back in January, the Blackburn club's big whiteboard was damaged.  No-one took any responsibility for fixing it, and we use it at ergo sessions.  It's a pretty important tool for us.  So I guess it comes to those of us that are put out by it being damaged, to fix the damn thing.  I'm pretty cranky that the club didn't take responsibility for it despite it being mentioned many times at committee meetings and so on, but there you go.

So, with a thank you to David and Jamie Morgans who helped with rivets and bolts on a day when no shops are open, the whiteboard is now repaired and slightly enhanced, we added permanent holders for the clock to remove the need for the old bent coat hanger and reduce the likelyhood of the clock being damaged.  We had to drill out some old rivets, re-set the alloy frame around the board, replace the displaced retaining bolts, rivet it all back together and then add the mounting bolts for the clock.

Job done ... 

In other less interesting news, I actually did a few road miles today (wow!) - Stew from the DUCC's rolled up with Alesandro (a new DUCC from Columbia, and some climber) with a mechanical, they'd managed to tangle up a chain and bend a link.  We fixed it and I got talked into a ride.  We tootled out to the 1:20 along the Dandenong Creek Trail, saluted the statue of Oppy, I grabbed a couple of dim sims at The Basin fish & chippery while those two did a 1:20 effort then we noodled on home.  That's two road rides in a week.  If this becomes a habit I'll be back racing crits next summer.  Nah .... But a few more miles in my legs might help a bit with high intensity endurance and recovery.

Tomorrow I'm lifting with Stu in the 'Haus, then Dino, Stew and I will do some track work at Blackburn, then I'm in to work for Hilton again with the NTID/VIS squad at DISC in the afternoon. On Sunday, Lucie and I are going kayaking up at the Goulburn!  Good times!

Thankyou to Swervin' Merv Tracy, Alex 'Too Cool To Sprint' Iwanov, Nathan Dux and Stuart 'Mary Poppins' Lucy for your help yesterday with the working bee in the PowerHaus.  We did a heap of work clearing stuff and moving things around in preparation for the launch of the 'Haus as a top level strength and conditioning facility.  Our new power rack should arrive this week, now we'll have room for it!

I know I've banged on about this before, and I'm going to bore you again with it.  We debut'ed the new powertab wheel last night at DISC.  I'm no stranger to training with power, I've had a Powertap SL 2.4 in a road wheel for a couple of years now and it's a great tool there, but my emphasis these days is track and once you've trained with power, it's very frustrating to not have it.  

After a bit of show and tell as a few of the Sunday Roast diners had a look at it and asked me a bunch of questions I either didn't know the answer to (How much will it cost? How does it work? "same as all the other PT's!" Is there a Zipp 1080 option? How much is that doggy in the window etc) or wasn't at liberty to discuss (How much did I pay for it?!) or wasn't going to answer yes to ("Can I borrow it next Sunday?" No, but you can hire it!) Nath showed up with the valve extender and we put air in it and I slapped on a 17 tooth sprocket.

As with any new toy, I was a bit mesmerised by it, doing the warm up on a damp track (yes, DISC still leaks .... the irony of an indoor velodrome that gets water on it when it rains!) we had to dodge a wet spot (cue the jokes, now ..) at the end of the finishing straight and I had to pay attention to riding, not looking at the computer all the time. I wasn't going to be the first to test the hub in anger though, that was Emily's job.  After we warmed up she was set to do a 500m ITT and we popped the gate on the track and the wheel in her bike (and the computer up her sleeve!).  A 10 count, and she's away at full torque for 500m (two laps of DISC).  She rides a great time on it which would have won her last summer's JW15 state titles again, but by more (2 tenths faster than her Vics winning time last summer).  No worries. 

My turn.

Our sprint training for the day is low speed jumps.  This'll show if the guys over on FGF's fears about axle slip are real.  I'm matched up with Rob Tidey, on 91.8".  From 6km/h to 50km/h in 10 seconds, peak power 1501 watts, peak crank torque 199.6nm.  No movement.  No worries!

To be sure, we did this 4 times.  Still no movement.  I'm very far from the strongest track sprinter around, in fact I'm a 'never was' and a hack at best,  but that was a pretty good test and it passed with flying colours. Arr, it's nice to have power again!

The rest of the session went well, except we cut short the finish as the track was slippery and damp and we had a tumble during a practice sprint.  Everyone was toast anyway so no-one felt like they wanted more track time.

I took the laptop to Nandos and grabbed the data.  Here's what my 4 low speed jumps looks like

I can't show you Em's data, that's confidential, but I can say that the meter allows us to see where she's really strong and what we need to target to get her faster much more than we've been able to with simulated stuff on the road Powertap on an ergo.

The device isn't perfect though - rare indeed is it to have a version 1 of something that's 100% sorted.  It comes with bolts instead of the more standard axle and nuts and these can be a bit fiddly to do up when setting chain tension.  I spoke with Rich from Wheelbuilder today and he's going to address this with a set of studs and he tells me we'll have the first ones to test out. Also, and this is nothing to do with the track adaptor Rich made, Powertaps do tell you cadence, but in the same sort of 'random number generator' sort of way that Polar and iBike do power - ie: not reliable.  If you're interested in cadence and can't be bothered working it out from speed and gear, get the Cyclops cadence sender as well.

I'm not going to make a fuss about the rest of the wheel, it's an Edge Composites 68 carbon clincher laced with 32 Sapim CX-Ray spokes by Wheelbuilder as per our spec (build it strong, Rich, it's going under heavy sprinters!).  As I'd expect it was stiff and felt fast.  With a Veloflex Record at 140psi it felt just as good if not better than the tubulars I run on my regular indoor track wheels (Bontrager carbon track rims with Tufo S3 Pro's).  It may be faster, it certainly looks fast and feels as stiff as anything else I've ridden except the disk wheel. The White Industries sprockets look solid and feel reassuringly heavy.

So, overall, I'm very happy with this device.  At its first outing it's providing us with very valuable information which will help us all to go faster and that's what we want to do, and it's around half the cost of an SRM crank system here in Australia.  For us, this is a win, thankyou Rich Sawiris!

Speaking with one of the lads today at the Blackburn time trial at the Yarra Boulevard, who'd just come out of a testing session in at the Monash low speed wind tunnel.  He'd done around 90 mins in it testing various configs, and as well as deciding his new super-douper aero helmet wasn't as good as he thought, he found a way to go at the same speed but use 50 watts less power to do so.

His writeup of the experience is here.

It seems Monash might be going to offer as a semi commercial thing, use of their tunnel.

Not something that's been available to 'the rest of us' at all, although a power meter and a velodrome and a good speed computer can be used as a rough wind tunnel, a proper one has been the domain of the AIS etc but not ordinary cyclists.

Stay tuned, if and when more info is available ... I'll let you know!

Riding the Powertap wheel on Tuesday before the spin session (yes, I do train!) I noticed a bit of vibration.  Looked down and the wheel was a bit out of true.  No probs ... Nath uses it on Tues night at Spin, I take it to the shop on Wednesday, have a look .. hrm, cracked rim!  It's the second Mavic Open Pro I've cracked now, the last one was about 3 years ago I think.  We had a spare and now the wheel's rebuilt and ready to use again.

I haven't had much time to get out and ride any of my bikes over the last couple of weeks, it's easiest just to say that "life happens".  But ... I have been able to steal 45 mins a couple of times a week to get into the aboc Power House and build leg strength.  After a seminar of sorts with Peter Cayley last week (Thanks Stu Vaughan for organising it) I've discovered snatches (olympic lifts) and they are hurties!  Very intense.  Good for developing power, which I need lots of.

Anyway .. the main leg strength excercise I'm doing is squats.  Not full squats, I've had a knee reconstruction and my right knee doesn't bend that far, but for cycling, that's ok .. I'm not training for olympic lifting, so don't need to go deep with squats.  Started out gradually building weight up, and am now pushing 3 x 12 reps at 135kg with 90s rest between sets.  I only have 137.5kg of total weight.  When it's time to do closer to 1RM stuff, I'm going to need more ballast.  Weights are around $2.50 per kilogram, and I think another two or four 20kg plates will be the go, so another couple of hundred dollars on weights is on the cards in a few weeks.

On other news .. aboc CC and aboc IT Consulting are sponsoring the Hawthown Cycling Club's history website.  You can see it come along here.  It's got no content yet, but should be an interesting thing for Hawthorn to use to record their club's history.  I'm expecting to see some photos of Phil Anderson there soon!

Round 5 of the Trek Summer Sprint Series is this Sunday.  I hope many of you will be there to compete and spectate. The last one was brilliant.  The weather forecast is good and there'll be a free BBQ courtesy of aboc.