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GPS Speedometers


mutantZ

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^^^ what is the converter for? I have a WC T-5 that is electric and not cable driven. Does your converter make it go from electric to cable?

Links to the info are included in the classified ad - I believe it will work fine but verify with Abbott by calling them...

Edited by kjones
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Not sure if my testimonial is significant in contribution, but I have an Escort 9500 that has a GPS speedometer feature on it, and when used in a vehicle with a working speedometer it was fairly accurate until obviously going through tunnels where it loses the signal. But going up/down hills didn't seem to vary the speed accuracy. If this is all similar or same technology used in escort's radar detectors and SpeedHut's GPS speedo then I would think it would work fairly excellent.

Edited by Daphur280
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  • 4 months later...

This topic got me to thinking. Why not just replace the speedometer gauge with not only a GPS Guage but a GPS Navigation Unit. Most navigation units display velocity too. So I started looking and wondering if a round GPS Navigation unit was to be had. After considerably searching I found a round GPS Navigation unit. It is a Blaupunkt TravelPilot Lucca 3.5. You can view one at this site: http://www.navigadget.com/index.php/2007/11/03/blaupunkt-travelpilot-lucca-35-edition. It has been on the market for a few years. There is one major problem that being there are no maps for the USA. The maps are all Europe based. Well I did more research and found out that the operating system for this GPS unit is windows CE 5.0. It just so happens that TOMTOM navigation software runs on CE 5.0 and the unit can successfully run TOMTOM Navigator with USA Map base. So I ordered one of these units from EBAY in the UK for $125 delivered and have it installed in the gauge pod. It is an absolute perfect fit. Now all I have to do is find the TOMTOM navigator software and install it. I will update further as to my GPS hacking abilities.

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This topic got me to thinking. Why not just replace the speedometer gauge with not only a GPS Guage but a GPS Navigation Unit. Most navigation units display velocity too. So I started looking and wondering if a round GPS Navigation unit was to be had. After considerably searching I found a round GPS Navigation unit. It is a Blaupunkt TravelPilot Lucca 3.5. You can view one at this site: http://www.navigadget.com/index.php/2007/11/03/blaupunkt-travelpilot-lucca-35-edition. It has been on the market for a few years. There is one major problem that being there are no maps for the USA. The maps are all Europe based. Well I did more research and found out that the operating system for this GPS unit is windows CE 5.0. It just so happens that TOMTOM navigation software runs on CE 5.0 and the unit can successfully run TOMTOM Navigator with USA Map base. So I ordered one of these units from EBAY in the UK for $125 delivered and have it installed in the gauge pod. It is an absolute perfect fit. Now all I have to do is find the TOMTOM navigator software and install it. I will update further as to my GPS hacking abilities.

 

 

This sounds great, I look forward to seeing what you find out about this, my speedo is very inaccurate, as well as having navigation would be very cool. I look forward to seeing some pictures if you can get some!

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Well I recieved the GPS unit and used a very simple method (three screen taps) to access the factory menu. This allowed me to boot to widows CE 5.0 which is the OS for the GPS unit. I am considering both TOMTOM and IGO8 (I go myway) navigation software. From what I read the IG08 nav software operates directly from an SD Card. This would appear to make it a very simple procedure. That being to access the windows CE 5.0 registry and then point the startup file to that of the IGO8 executable residing on the SD card. My problem now seems to be that of finding a preloaded IGO8 SD card. They do exist though. I am still looking for it. I will see about getting a picture of the unit installed in the guage pod just to show the fit.

 

This sounds great, I look forward to seeing what you find out about this, my speedo is very inaccurate, as well as having navigation would be very cool. I look forward to seeing some pictures if you can get some!

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I'm curious to hear how it works out...

 

Most of the major auto makers have avoided larger displays directly in front of the driver for ergonomic and night glare reasons... Not good having a bright light shining in your face while driving at night. If your display has a dimming capability that would help greatly.

 

Pictures would help as well

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It has a 3.5" Diagonal anti glare screen with light sensor for dimming. I do agree though about having a really bright display shining in ones eyes. I will just have to try it and see how it all works out. I did buy the IGO8 2010 Nav program off EBAY. It is installed on a Mini SD card. All I should have to do is place it in an SD card adapter and plug it in the GPS SD slot.

My other guage pod will have a GTECH Pro EGS http://www.gtechpro.com/egs.html mounted in it. I rewired for my LSX swap with an entire car wiring harness from a 2002 TransAM so most of the wires I need are easy to splice into. I will snap some photos today of both guage pods.

 

I'm curious to hear how it works out...

 

Most of the major auto makers have avoided larger displays directly in front of the driver for ergonomic and night glare reasons... Not good having a bright light shining in your face while driving at night. If your display has a dimming capability that would help greatly.

 

Pictures would help as well

post-1213-032466600 1293924431_thumb.jpg

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Correction factor, for like density alt etc? GPS uses the satellites to determine altitude, no barometric sensors so it indicates true altitude above sea level regardless of weather, pressures, etc, so long as it has multiple sats to get its data. :wink: Or did you mean an indication of approximation error due to weak or minimal GPS satellite coverage like a deep canyon?

 

 

GPS works great for the power boats, flat relatively level surface, full access to the sky, any lag to them is inconsequential. Now start zig zagging around town, (especially down town where tall buildings are blocking and uncovering line of sight to the sats as you move), neighbor hoods or windy mountainous back-roads in canyons. My concern would be accuracy and lag, in those zig zag situations, as someone else mentioned, Sine Cosine Tangent, not only going up and down, but also around corners, etc. I wonder if like on skid pad if it would keep a consistent accurate speed? Better yet, a slalom. Would it record average speed across the mean path covered, (like a stop watch would record) due to margin of accuracy being approx 5-10 feet, i.e. the offset of the slalom course or would it truly read speed based on ground covered which will be higher, like a tire driven speedo?. :wink: If the accuracy is about the distance of the slalom offset, it could end up exaggerating the speed by estimating it as wider swing around the slalom... None of that really matter entirely on the road to try and stay within the law, but lag, zig zag accuracy etc could have an affect which will also affect the ODO reading, i.e. actual ground traveled wont be as accurate the tighter and twisty the route taken vs just driving in a straight line.

 

A few more thoughts on GPS speedo accuracy relative to conventional speedos' accuracy. Yes, I suppose the GPS speedo will calculate speed as change in position over a unit of time. But what is the unit of time? If it is recalculating as slowly as say 5 times per second, it will effectively be smooth and quite accurate.

 

Conventional speedos also have their weaknesses which GPS units don't. Wheelspin will no longer cause inaccurate readings. Neither will locked up wheels. Odo readings will continue to increase in reverse.

 

All in all, they seem to be good tradeoffs, and come out in the GPS speedo's favour.

 

My $0.02.

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I received the IGO8 Nav Software on a mini SD card. I placed it in a Mini SD to SD card adapter and plugged it in the Nav Unit SD Slot. I edited two .ini files (one on the Nav Unit and one on the IGO8 SD card) and now the IGO8 software runs perfectly. The Nav unit is fantastic and has North American maps. It has numerous features,including a nice speedometer dial, and turned out better than I hoped for. I will get (more detailed) additional pictures when I permanently install the unit in the guage pod.

 

It has a 3.5" Diagonal anti glare screen with light sensor for dimming. I do agree though about having a really bright display shining in ones eyes. I will just have to try it and see how it all works out. I did buy the IGO8 2010 Nav program off EBAY. It is installed on a Mini SD card. All I should have to do is place it in an SD card adapter and plug it in the GPS SD slot.

My other guage pod will have a GTECH Pro EGS http://www.gtechpro.com/egs.html mounted in it. I rewired for my LSX swap with an entire car wiring harness from a 2002 TransAM so most of the wires I need are easy to splice into. I will snap some photos today of both guage pods.

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  • 5 weeks later...

I have my Speedhut GPS Speedometer all installed in the dash and the dash is ready to install. I have the motor out right now while painting the engine compartment. Should be ready to put the motor back in very soon. Then I'll install the dash and give a review...

 

Waiting to install the dash because it's easier to install the Brake Master Vac and clutch master with it out

 

I'm moving along at a good steady pace so I'll have an update soon

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