Saturday Night Racer - Transponder Mounting

benstrans

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Transponder Mounting
04/06/12 at 10:14pm

I've got the Transponder that's a new requirement at SMS.

It's new, but didn't come with directions, or anything about how it works.

I've been told that it should be less than 24" off the gound, that's easy.

I've looked at it and see that it has a 'hole' in the 'bottom' that I ASSUME is some sort of 'eye' or transmitter.

If so, then I'd like to attach its little mount to the floorboard tunnel, on the right side, then bore a small hole throiugh the floor so it can 'see' the ground.

Since it was a pretty expensive piece that I'd llke to protect, IF my mounting plan is OK, then can I put a piece of clear plexiglass over the hole to keep the dirt and mud from coming in and blocking it?

ANY help is WELCOME!

Thanks!

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Wally_Stewart

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Re: Transponder Mounting
Reply #1 - 04/07/12 at 8:56am

Not any kind of expert but saw some on sprint cars had them mounted above tubing, don't think the transponder has to see anything. The cable is buried in the track so there is really nothing to see, unit sends a signal. most of the sprint cars had them on the front bars in front of the radiator. At the end it is who gets there first. The closer to the front may give you a win or position over someone with it mounted by the driver.

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benstrans

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Re: Transponder Mounting
Reply #2 - 04/07/12 at 9:59am

Wally_Stewart wrote on 04/07/12 at 8:56am:

Not any kind of expert but saw some on sprint cars had them mounted above tubing, don't think the transponder has to see anything. The cable is buried in the track so there is really nothing to see, unit sends a signal. most of the sprint cars had them on the front bars in front of the radiator. At the end it is who gets there first. The closer to the front may give you a win or position over someone with it mounted by the driver.

IF that be the case, then I can mount it where I'd planned, just don't have to drill a hole. I think the right side floor pan, next to the transmission 'hump' is a good, safe, place to install it. It's away from almost all damage, and a bit forward of center. Any further forward would put in into the enigne compartment and more prone to being damage from water, heat, or fuel.

Chirs Kearns had ALLUDED to, (not said for sure) that the last lap SHOULD be hand scored to ensure a fair and honest finish.

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sj_valley_dave LMR God Offline Love the smell of nitro in the air Posts: 1700	Re: Transponder Mounting Reply #3 - 04/07/12 at 5:54pm We (DLM) have to mount it on the mid engine plate...
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ministocker56 LMR God Offline Dirt Late Models Rule! Posts: 1478	Re: Transponder Mounting Reply #4 - 04/07/12 at 10:40pm Were can i get 1 & the radio all so
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hobby87s LMR Senior Offline CONDON MOTORSPORTS Posts: 424 orcutt calif	Re: Transponder Mounting Reply #5 - 04/08/12 at 5:18pm well if you mount it up front and the other guy has it mounted on the back at a photo finish youll win! LOL
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IMCA90 LMR Member Offline Chasing the dream. Posts: 149 Bakersfield	Re: Transponder Mounting Reply #6 - 04/08/12 at 8:16pm well i tie rebar for a living so i used doubled up tie wire and it worked great for me lol. but i have made a couple million ties in my life so i know what that wire can and cant hold
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Bap33 LMR God Offline Smooth is fast Posts: 560	Re: Transponder Mounting Reply #7 - 04/08/12 at 8:30pm Tip: If there is a Red #2 car from Salinas in your class, mount your transponder on his rear bumper.
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Doug_Hagio LMR Rookie Offline I love YaBB 1G - SP1! Posts: 28	Re: Transponder Mounting Reply #8 - 04/08/12 at 8:45pm You should ask the person in charge at your track were to mount it.Because if it is a photo finish and one car has his further forward he just won.
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imracin68j LMR God Offline Do the impossible Posts: 6228	Re: Transponder Mounting Reply #9 - 04/09/12 at 12:21am Where u lose is on the first laps when the fields are tight and the yellows happen more often. You're welcome
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benstrans LMR God Offline I love YaBB 1G - SP1! Posts: 1548	Re: Transponder Mounting Reply #10 - 04/09/12 at 1:31pm sj_valley_dave wrote on 04/07/12 at 5:54pm: We (DLM) have to mount it on the mid engine plate... That makes a lot of sense. Everyone's is in exactly the same place. Billy's graphic explains the whole thing, proving that a picture REALLY is worth a thousand words. THANKS to all!
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bakoboss

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Re: Transponder Mounting
Reply #11 - 04/10/12 at 1:48pm

imracin68j wrote on 04/09/12 at 12:21am:

Where u lose is on the first laps when the fields are tight and the yellows happen more often.

http://i13.photobucket.com/albums/a294/imracin68j/AMB.jpg

You're welcome

My loop is approx 12" under the ground. If you mount the transponder more then 12" from the ground on your car, your at risk of not being scored as they only pick up within a range of 24" as per MyLaps. So this situation really is not a advantage in my opion. Scott

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imracin68j

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Re: Transponder Mounting
Reply #12 - 04/10/12 at 3:46pm

I run Hanford with it on my upper door bar (Graphic location) in the cockpit with no issues just because I don't feel like replacing a rental. Not sure on how deep their reception strip is. It is however a simple radio freq. signal so you should just be going against the time it takes to send/receive rather than a signal not getting picked up. The more metal/obsticles it has to cut through obviously puts the transmission at risk and is probably a large chunk of the reason times don't get picked up. I think AMB wants everything to be as accurate as possible and having one car that noses out a car and loses on the books makes their product look bad.

You want it up as high as possible without losing the signal

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mudslinger47 LMR God Offline Well crap stuck with the dickweed for four more Posts: 8389	Re: Transponder Mounting Reply #13 - 04/10/12 at 9:58pm The one on Petes car that Clay drives is where Dave said, at the motor plate, about 18" off the ground. Works fine. Gets pummled with mud off the right front, there tough don't worry about it. If you own it make sure its charged, if you rent it, they just want it back. Duane
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benstrans

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Re: Transponder Mounting
Reply #14 - 04/11/12 at 3:16pm

mudslinger47 wrote on 04/10/12 at 9:58pm:

The one on Petes car that Clay drives is where Dave said, at the motor plate, about 18" off the ground. Works fine. Gets pummled with mud off the right front, there tough don't worry about it. If you own it make sure its charged, if you rent it, they just want it back.

Duane

With the present mounting, it's about 15" off the ground but the signal will have to penetrate the steel floorboard. unless I cut a hole in it.

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weaver11 LMR Senior Offline 11w 72m Posts: 470	Re: Transponder Mounting Reply #15 - 06/19/12 at 10:34pm u should be fine! seen alot of guys run them inside the cars. if it dont work they tell u in hot laps.in my hobby stock its on the outside firewall in the clip that come with it, and on the sportmod on back side of motor plate in the clip.
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imracin68j LMR God Offline Do the impossible Posts: 6228	Re: Transponder Mounting Reply #16 - 06/21/12 at 10:23pm I tried running mine in the cockpit and it wouldn't catch. I ended up having to put it out in the elements which is what I didn't want to do.
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