Tonyloz Posted October 30, 2016 Report Share Posted October 30, 2016 Hi all Just fitted j type gearbox to the 3a and am fabricating a new gbox mounting Can anyone let me know the height of the propshaft flange on the gearbox to the top of the chassis cruciform. Thanks Tony Quote Link to post Share on other sites
David James Posted October 30, 2016 Report Share Posted October 30, 2016 Hello Tony I have not long finished fabricating a J type gearbox mount for my Beta project. I have used a TR2 body with a TR4 chassis which is the same as a TR2/3 chassis at the cruciform. Measuring my set up the centre of the drive flange is 74mm above the cruciform surface. Alternatively the top of the flange is 122.6 above the cruciform. My drive flange diameter is 97.2mm. I have replaced the body and all looks good still. I have been unable to double check against my original recorded value measured from a standard set up. I cannot put my hands on the drawing! Perhaps someone else may wish to concur with my values. Regards David Quote Link to post Share on other sites
Tonyloz Posted November 1, 2016 Author Report Share Posted November 1, 2016 Thanks david My measurement is 4" from the centre to cruciform so may have to modify to get it lower If anyone has the exact measurement that would be great Thanks Tony Quote Link to post Share on other sites
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