Speedo Healer

Honda Pan-European 2nd generation (Japanese design)

Speedo Healer

Postby Derek-Dex-French » 06 Jan 2015, 17:35

Just ordered a Healtech Speedo Healer. Will update in due course.
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Re: Speedo Healer

Postby cammy_moir » 06 Jan 2015, 18:05

Derek-Dex-French wrote:Just ordered a Healtech Speedo Healer. Will update in due course.


Sorry Derek can you tell the us what it is?? I am in the dark on this one. Thanks
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Re: Speedo Healer

Postby Derek-Dex-French » 06 Jan 2015, 18:12

The standard ST1300 speedo overstates speed by about 6mph. This healer unit enables the speedo reading to be made more-or-less accurate.
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Re: Speedo Healer

Postby cammy_moir » 06 Jan 2015, 18:16

Never knew that, thanks. I wonder how the police spec models got around that problem?
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Re: Speedo Healer

Postby Derek-Dex-French » 06 Jan 2015, 18:21

Probably an equivalent unit.
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Re: Speedo Healer

Postby Pan Rider Jack » 06 Jan 2015, 20:49

cammy_moir wrote:Never knew that, thanks. I wonder how the police spec models got around that problem?

Probably IRS speedo's, know my 1100 has one, too accurate to be honest
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Re: Speedo Healer

Postby cammy_moir » 06 Jan 2015, 21:20

Pan Rider Jack wrote:
cammy_moir wrote:Never knew that, thanks. I wonder how the police spec models got around that problem?

Probably IRS speedo's, know my 1100 has one, too accurate to be honest


IRS would have calibrated it - I think they do all the police speedo's, certainly all the bikes and cares that I ever drove. But there must have been some gearing in it to bring it back to being accurate.
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Re: Speedo Healer

Postby WJBertrand » 06 Jan 2015, 21:35

I've had one mounted to my ST1300 for years, works well. The correction however is not a simple MPH off set but rather a percentage correction. If you have a 6 MPH error 60 MPH it will be larger at higher speed and smaller at lower speed. I ran a fairly extensive set of tests at different speeds to collect speedometer vs. GPS data. I charted that and then used the whole spread of data to get the best correction percentage to input factor for the speedohealer. I've attached my results.

Speedo GPS chart.pdf
(50.57 KiB) Downloaded 603 times


I came up just shy of a 7% correction factor. Note that the odometer was only 2% high but was corrected downward about 4% to make the speedo accurate.
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Re: Speedo Healer

Postby Derek-Dex-French » 07 Jan 2015, 11:28

Fantastic contribution. Thank you Jeff.
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Re: Speedo Healer

Postby steve974 » 07 Jan 2015, 14:36

cammy_moir wrote:Never knew that, thanks. I wonder how the police spec models got around that problem?


We were only told that the speedos were calibrated but no techie details!
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