I have a Blackburn trainer that I use often when it's raining here how can I tell how fast I am going or if the speed is right or close to what it says.
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- 28 September 2013
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- 28 November 2013
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- alexham16
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Do you have a Speed Sensor on your bike, like an ANT+ or Bluetooth one that connects to a head unit?
With a Spoke Magnet and a Pedal Magnet you will be able to tell your speed and cadence from this. It will be correct/accurate. Whether you can sustain that number on a flat/hill or downhill depends on how tough you set it to.
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Yea I have a spoke magnet. But say if I go 25 miles an hour on there for an hour what would that be with wind conditions?
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Does the turbo have a variable position lever at all. For example my one tacx booster has 10 resistance levels. Level 2 is on a FLAT FLAT with no wind maybe even a slight tailwind from then it sort of jumps to level 3 which is say was 1-2% gradient. I was provided with a graph of resistance position vs speed and what that relates to in watts. If you have a similar graph then it will tell you a lot. I'd say 25mph for an hour doesn't equate to a flat though unless of course you zip about with an average speed of 22-25
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It is a black burn track stand mag 3. 3 different levels I lost the box to it
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http://www.blackburndesign.com/media/catalog/product/cache/1/image/970x970/9df78eab33525d08d6e5fb8d27136e95/b/b/bb_resistancechart_tm3_v1_1.jpg Looks to be a rough guide For me on a hilly ride I'll sustain 210 watts for approx 17mph average speed. I'd say you're average rolling roads will equate to 16mph at 180-200watts that's very rough though maybe some others could comment here but I don't think on resistance level 2 at 25mph you are looking at much more than 15mph in the real world. IMHO of course
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nice that chart is a great find.
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Is that for a low gear or high gear when I ride on it I use my highest gear possible.
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Quoted post said:
Originally Posted by alexham16
Is that for a low gear or high gear when I ride on it I use my highest gear possible.
If you're using your highest gear whenever you ride on it, chances are you need to increase the resistance of the trainer. -
Well when I'm sprinting I do and some other intervals. But how would I increase the restiance on the trainer I don't have much money.
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