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Author Topic: 2015 Amageza Rallye - Buildup Thread  (Read 77744 times)

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Offline gser

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Re: 2015 Amageza Rallye
« Reply #240 on: April 14, 2015, 09:04:08 am »
 Dankie vir info !
 

Offline B2B

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Re: 2015 Amageza Rallye
« Reply #241 on: April 14, 2015, 12:27:18 pm »
Looks very neat,sturdy and robust that's whats needed.
 

Offline bonova

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Re: 2015 Amageza Rallye
« Reply #242 on: April 14, 2015, 04:27:55 pm »
REF the Etrex 10

Problem is - as was discussed at length during the build up to last years amageza...... you are fined time on missing waypoints.... lots of time relatively. There is an area around that waypoint that your GPS MUST lay down a breadcrumb / point within.
Say now you are doing 150km/hr..... to get a point within that diameter of the waypoint, it needs to be every second.
One can assume that on "auto most often", that it increased the frequency of points the faster you go.... but how exactly?
There were a lot of moans and complaints about time penalties. You don't want to be doubting that your GPS let you down.
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Offline MaxThePanda

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Re: 2015 Amageza Rallye
« Reply #243 on: April 14, 2015, 05:26:04 pm »
I know that's the theory, it just didn't seem to work like that in practice. Maybe cause waypoints are generally at stops or in slow speed areas? Either way... everyone's in the same boat! Let's hope the timing debacle of last year is a thing of the past with this standardization.

Offline Bill the Bong

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Re: 2015 Amageza Rallye
« Reply #244 on: April 14, 2015, 06:30:06 pm »
REF the Etrex 10

Problem is - as was discussed at length during the build up to last years amageza...... you are fined time on missing waypoints.... lots of time relatively. There is an area around that waypoint that your GPS MUST lay down a breadcrumb / point within.
Say now you are doing 150km/hr..... to get a point within that diameter of the waypoint, it needs to be every second.
One can assume that on "auto most often", that it increased the frequency of points the faster you go.... but how exactly?
There were a lot of moans and complaints about time penalties. You don't want to be doubting that your GPS let you down.
IMO

I had 9 minutes worth of penalties for Amageza last year.  You just have to ride to the speed your GPS can think.  In my case, fortunately, that's pretty slowly.  The good point about the Etrex 10 is that it doesn't pick up a momentary transgression of the speed limit.
 

Offline Weedkiller - Adie

Re: 2015 Amageza Rallye
« Reply #245 on: April 14, 2015, 09:46:17 pm »
Hi,
During my research on how the GPS software 'actually' work I did a lot of research on the actual data saved (Or ultimately 'exported') as gpx file.

In some sense I can see the need for the 'one reading per second' requirement.  It will ultimately give the 'most accurate' route of the participant. (within the dreaded 3m accuracy of unprocessed GPS data).  It is a 'standard' that will stand in all arguments (even in court  ;) ) as most common GPS aerials out there receive the (same) NMEA code at 1 second intervals. I did not test the new generation of high speed aerials as there are no benefit from the 'additional' data except that the software can make better 'average position calculations' at a moer of an extra financial and processing cost.

The Garmin Zumo 350 use a very nifty optimization process to reduce points saved. It seems as it saves the GPS info if 1) the heading change or 2) the distance exceed 750 (odd) meters.  I did not really search for 'additional' criteria like a time limit.  the problem with this for 'management purposes' is that you do not have an 'exact' reference to the trip. (I might be shot for this but....) If I use the Zumo gpx file and calculate the distance traveled I've seen readings deviate as much as 5 meters in 700m. The closer the readings the more accurate (or closer) answers I got.

Soooo. How accurate are the common off the shelf GPS distance calcs ???  I can tell you this, I hate to know how much time I spent to get the Rockfox Trip-Cap distance calcs to match the Zumo. So who is right (or maybe more right, or is it 'less wrong' under slow speed where the 3m 'resolution' can play havoc with the distance.

At the end of the day we as participants all need a trust-able reference.  If the eTrex 10 have the storage capacity for the special it is the 'standard'.  Amageza management need to start somewhere to 'control' the navigation reporting and end the disparity of information.  I will get an eTrex 10 this week and put it under some strain.

As a side note for the thecnofreaks.
This is a snip of the gpx file.
*** Snip ***
      <trkpt lat="-24.772728988900781" lon="30.162664968520403">
        <ele>756.21000000000004</ele>
        <time>2014-07-04T11:52:44Z</time>
      </trkpt>
      <trkpt lat="-24.772905008867383" lon="30.162576958537102">
        <ele>756.21000000000004</ele>
        <time>2014-07-04T11:53:07Z</time>
      </trkpt>
      <trkpt lat="-24.772974997758865" lon="30.162542006000876">
        <ele>756.69000000000005</ele>
        <time>2014-07-04T11:53:08Z</time>
*** Snap ***
 
Depending on the processor (8/16/32 bits) the minimum size of the 'long' variable type is 32 bits (3 bytes)  this means that the
minimum bytes required to save one point is about 12 to 16 bytes and 24 hours can thus be saved in (24*60*60*16)  = 1382400 bytes (Just more than 1Mb -  1048576 bytes)

All other info are calculated again during import.

Enjoy

Adie

Laat ons Stof maak.
 

Offline wayneh

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Re: 2015 Amageza Rallye - updated infomation
« Reply #246 on: April 15, 2015, 03:59:39 pm »
Its been a long time since an update on Amageza Rallye 2015. Much has happened over the last eight weeks, which has helped clarify this year's general rallye route.

Alexander and the recce team are still in Botswana, so we'll be looking at a further update detailing the bivouac towns and support team routes by early May.


The three key points to note:

- We will be starting and ending in Kimberley this year. The Northern Cape regional tourism body is assisting in arranging a great venue, and lots of local support.

- We have decided to save the inclusion of Namibia to 2016/17. There is just too much spectacular terrain and wildlife for us to see in Botswana this year, to try and squeeze Namibia into the route... We won't be able to do Namibia justice this year. One less border crossing for a 7-day rally will also be welcome for all - particularly teams and competitors.

- You will note that we have not listed quads in the category of rally vehicles as yet. We are still working on including the quad guys... it is 90% achieved, but will only be able to 100% confirm in May.













































-----------

International Team/Competitors:

I cannot name names, since they are not confirmed as yet, but we may be joined by some inspiring international rally teams this year.

Subsidised freight packages for international competitors have been arranged with our official 2015 Amageza Rallye freight partner, JK Kok Logistics. They will be providing freight from both Rotterdam and Perth, and can assist with crating of the vehicles if required.

So bearing in mind that a consignment contains 4 rally bikes (not less or more), the freight cost estimate from Rotterdam to Johannesburg, and return from Durban to Rotterdam, would be:

1. Team supplies their bikes to Rotterdam, without crates:
- Import: is R 55 753.78
- Export: is R 20 061.52
Equals: R 75 815.30 (excluding VAT, or any additional cost due to the carnet inspection)
or R 18 953.83 per bike

2. Team supplies bikes to Rotterdam, in their own crates, with fumigation certificates:
- Import: R 55 753.78 (minus the packing & crating cost of R 28 441.85) is R 27 311.93
- Export: is R 20 061.52
Equals: R 47 373.45 (excluding VAT, or any additional cost due to the carnet inspection)
or R 11 843.37 per bike


And the freight cost for 4 rally bikes from Perth to Johannesburg, and return from Durban to Perth, would be:

3. Team supplies their bikes to Perth, without crates:
- Import: is R 62 236.27
- Export: is R 17 080.16
Equals: R 79 316.43 (excluding VAT, or any additional cost due to the carnet inspection)
or R 19 829.11 per bike

4. Team supplies bikes to Perth, in their own crates, with fumigation certificates:
- Import: R 62 236.27 (minus the packing & crating cost of R 31 297.35) is R 30 938.92
- Export: is R 17 080.16
Equals: R 48 019.08 (excluding VAT, or any additional cost due to the carnet inspection)
or R 12 004.77 per bike


The dates when teams/competitors much drop off their bikes/crates in Rotterdam or Perth will be confirmed shortly.

---------

Track Recording System

We will not be making use of the French rallye waypoint and tracking system... the exchange rate has just made this too costly to pass this onto competitors, while still being able to run a high-value, low-cost rallye for everyone. The operations team has addressed the challenges experienced last year, and we're very confident that the standardisation of the route recording device and the use of an in-field timing system (alleviating the need for cellular or satellite connectivity) will make the result processing quick and easy. All competitors will need to use the Garmin etrax 10 for the recording of their tracks - this device is super cheap, very durable, perfectly setup for our needs, and is simple to use/read (for waypoints, heading etc).

Alexander will answer any questions regarding what is required for competitors as soon as he's back from Botswana (early May).

---------

From the Recce Team

Some important information from Alexander and the recce team:
- Navigation is very challenging this year
- Botswana has long stages without any sign of civilisation (and no fences)
- Besides every kind of terrain you could think of, there are also beautiful expanses of Kalahari desert dunes
- We're working on having no gates to open or close during all race sections
- Competitors will need to keep an eye out for the game... everything, including the big-5
- There will possibly be two marathon stages this year
- The recce team is plotting the route so that teams will be able to route to bivouacs using main roads

This is probably one of the most cost-effective international rallies worldwide. And the only rally I know of where you can race for 4000 km alongside the world's big-5 wildlife.


Two thing I seriously advise competitors to bring...
- Arm protectors against thorn bushes (for the bike riders) would be handy for at least two of the stages, and
- A action camera, since your friends and family are just not going to believe your stories.

Bring it on!!!

Cheers,
Wayne
 
 

Offline bonova

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Re: 2015 Amageza Rallye
« Reply #247 on: April 15, 2015, 04:06:01 pm »
WoooooHoooooooooooooooooooooooooooooooooooooooooooooooooo
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Offline gser

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Re: 2015 Amageza Rallye
« Reply #248 on: April 15, 2015, 05:02:56 pm »

 Yippeeeeeee!
 

Offline Gee S

Re: 2015 Amageza Rallye
« Reply #249 on: April 15, 2015, 08:02:38 pm »
Cant wait. Are they still going to supply the Etrex 10 or must we buy our own?
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Offline wayneh

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Re: 2015 Amageza Rallye
« Reply #250 on: April 15, 2015, 08:13:04 pm »
Cant wait. Are they still going to supply the Etrex 10 or must we buy our own?

Gee S, I'm awaiting Alexander to confirm this  :deal:  Will let you know as soon as I've received his 'smoke signal' reply from the Botswana bush veld.  ;D
 

Offline wayneh

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Re: 2015 Amageza Rallye
« Reply #251 on: April 15, 2015, 08:51:21 pm »
Cant wait. Are they still going to supply the Etrex 10 or must we buy our own?

Okay... As in the latest REGS at http://media.wix.com/ugd/d7abc3_306115e05731493dac4a6d620dbfd64d.pdf

Section 19, point C...
i.  Every entrant shall be issued a GPS, a handlebar mount, and a 12V connector to supply constant power to the device directly from the battery.
ii. The issued GPS MUST BE MOUNTED CENTRALLY ON THE HANDLEBAR, and in a SAFE place in a car.
iii. Entrants are allowed an extra GPS.
iv. The only allowed GPS for the 2015 event is a Garmin eTrex 10, or the Trailtech Voyager. NO OTHER GPS WILL BE ALLOWED.


Eeish... just received an urgent message from Alexander...

Sorry, you DO need to bring your own Etrax 10. It is NOT ISSUED by the organisers.  :-[  Apologies guys.
I have either read the Regs wrong, or have a slightly older copy.  :lamer:   But the true is you will need to get yourself an Etrax 10... So if you currently don't have, it maybe a good idea to contact bonova about is current group buy.

« Last Edit: April 16, 2015, 08:40:50 pm by wayneh »
 

Offline KTM Jagermeister

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Re: 2015 Amageza Rallye
« Reply #252 on: April 15, 2015, 09:13:44 pm »
Well I am disappointed.  I was looking forward to Namibia.

Also without the tracking system we will probably require satellite phones.

The eTrax 10 is already an unexpected additional expenditure.   I understand the reasoning behind it, but take note that it is possible to load street maps on the device by replacing the base map files.  Unfortunately it is easy to cheat on the system and we will have to rely on the integrity of the riders.

Nevertheless I love Botswana and it's people and can't wait for 29 August.

Ready to Race!
 

Offline Gee S

Re: 2015 Amageza Rallye
« Reply #253 on: April 15, 2015, 09:36:11 pm »
Thanks Wayne. That is very good news :thumleft:
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Offline Scooterbike

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Re: 2015 Amageza Rallye
« Reply #254 on: April 15, 2015, 09:48:13 pm »
So we dont have to buy a Etrex10?
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Offline Kamanya

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Re: 2015 Amageza Rallye
« Reply #255 on: April 15, 2015, 11:36:26 pm »
Not ending in Cape Town is a bit of a bummer.

Somedays, life's like a middlemannetjie.
 

Offline BV

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Re: 2015 Amageza Rallye
« Reply #256 on: April 16, 2015, 06:07:04 am »
Not ending in Cape Town is a bit of a bummer.



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Offline Dwerg

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Re: 2015 Amageza Rallye
« Reply #257 on: April 16, 2015, 06:40:49 am »
Sounds epic  :'(
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Offline Cracker

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Re: 2015 Amageza Rallye
« Reply #258 on: April 16, 2015, 08:10:09 am »
I think ending where you start is great - it means lone riders can trailer bikes, do the rallye and trailer home - no need for support.

This alone makes this years race the same price as last years, if not cheaper - certainly would be in my case.

A big boost for the non-cape based riders.

In hindsight maybe I shoulda entered - but commited elsewhere now  :'(
Don't let fear hold you back ..... take it with you!
 

Offline wayneh

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Re: 2015 Amageza Rallye
« Reply #259 on: April 16, 2015, 08:58:35 am »
So we dont have to buy a Etrex10?

Nope. One will be issued to you, with a handlebar mount.  :thumleft:
You must have pre-installed a 12v electric point to your handlebars before scrutineering.

Although... Having your own GPS as a backup would be a good comfort.
« Last Edit: April 16, 2015, 09:03:11 am by wayneh »