[TR] TR 250 (TR4) Cruise control

[Dean Tetterton]

Roger            I installed the Rostra kit with servo motors to operate the throttle. It is easy to do if you also use the Ratco throttle kit to replace the linkage from the firewall to the carbs.http://www.rat-co.com/throttle-linkage-kit
This way the cruise control cable connects right in with the Ratco kit. The sensor on the drive shaft is a magnet glued to it and a sensor pick up mounted in the tunnel. Easy to do. The magnet was on mine for 8 years before I replaced it with a encoder on the transmission to run a electronic speedometer. The encoder sends a signal to the speedometer and the cruise control. Mine works really well. If you don't have OD, I used the OD escussion to mount the cruise control stalk. I can send you pictures if you want. 
Dean Tettertontr3a58dean at gmail.com



-----Original Message-----
From: Roger Elliott <elliottr at rmi.net>
To: triumphs <triumphs at autox.team.net>
Sent: Wed, Jan 30, 2019 5:18 pm
Subject: [TR] TR 250 (TR4) Cruise control

Hi,
We are planning some long excursions this year in the TR 250, so I would 
like to install a cruise control in the TR 250.

There have been two basic options mentioned in various posts.
1) The Rostra unit which is more expensive and seems to require have 
more installation requirements (for example a sensor on the drive shaft 
to register speed.) 
http://www.rostra.com/universal-aftermarket-cruise-control-by-rostra.php
2) The recreation of the Audiovox cruise control, which requires a 
vacuum canister. Quite a bit cheaper than the Rostra. 
https://www.murphskits.com/product_info.php?cPath=25&products_id=422&osCsid=PYoe2OY2I0duN1IkGnMJ1 


I have seen articles for installing both, but on carbs with a cable 
linkage but none with the throttle linkage like the early TRs.

Has anyone installed on or the other on a TR250, TR4, etc that has the 
rods, levers, bell crank arrangement? If so, how did you make the 
connection?

Thanks,
Roger Elliott

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