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The GWTFFM http://locostusa.com/forums/viewtopic.php?f=18&t=17514 |
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Author: | 300D50 [ October 6, 2016, 7:31 pm ] |
Post subject: | Re: The GWTFFM |
Yeah, my plan is to do the bare minimum of cutting to test the fit, which means the two engine dowel holes, the two transmission dowel holes, the large clearance hole for the counterweight, and a slot inside the scrap envelope that I can use as a datum. Once the dowels are verified, I can re-indicate using the slot and one of the dowel holes, punch the rest of the mounting holes, test fit again, and leave it at that till I can get some time to do the inside contours. I have a good margin of excess space around my outline, and I'm planning to keep the outer contour as the last thing I machine. I still haven't 100% nailed down if I want to use the plate as part of a motor/trans mount, accessory mount, or some such, and would like to leave those options open. My plan is to start plugging away at this again sometime this month, and get the powertrain sorted out at least to the outer CV shafts by the end of the year. |
Author: | phil [ October 16, 2016, 4:09 pm ] |
Post subject: | Re: The GWTFFM |
Welcome to the forum, This all sounds like a terrific build. Glad to see that you will make a coupé with gullwings. Not an easy task. For my second build I am trying a coupé as well. Not sure whether I will go gullwings. My thoughts come and go. At this point I have parked the door issue as: two light removable doors that can be stowed away somewhere on the car in most situations. The car being designed as a fair weather fun thing with an added degree of comfort over my previous one which is a spartan seven with Brooklands aeroscreens. Looking forward to follow your progress. |
Author: | 300D50 [ December 7, 2016, 4:16 pm ] |
Post subject: | Re: The GWTFFM |
Author: | GonzoRacer [ December 12, 2016, 8:37 am ] |
Post subject: | Re: The GWTFFM |
Quote: except where some idjit forgot to put a fillet... Has Bubba been moonlighting at your shop? Wondered where he had wandered off to... Didja feed him? Or is that why he came home?
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Author: | 300D50 [ December 12, 2016, 2:40 pm ] |
Post subject: | Re: The GWTFFM |
He may be, emphasis on MOON-lighting! Asin'z yaz can seez from the badger bite, I think he acquired a new taste for 6061-T6! |
Author: | 300D50 [ July 24, 2017, 5:45 am ] |
Post subject: | Re: The GWTFFM |
No real progress, just part and tooling acquisition. I found out that the front cover from the 13B-MSP out of the 04-08 RX-8 will fit on the older 13B-DEI engines with some minimal modifications. That gives me an integral water pump and thermostat housing, eliminates the distributor drive hole, and more importantly moves the OMP up and out of the path of the CV jackshaft. I ordered a used one off ebay back in February, but haven't had a chance to do the modifications to it. I'll also need to add in mounting bosses for the FD RX-7 style crank sensors in order to keep the factory ECU. That will require a custom front pulley and trigger wheel, since there isn't an aftermarket option that fits my needs. I also bought a 384K memory expansion board for the FADAL mill this past week, should arrive this Friday and be installed by Sunday. The revised and improved dry sump plate will have to wait till the front cover swap is complete, since the Renesis one has a different bolt pattern for the oil pan. Zero work done on the chassis design, since the powertrain still isn't finalized to measure off of. |
Author: | Laminar [ October 5, 2017, 5:11 pm ] |
Post subject: | Re: The GWTFFM |
300D50 wrote: Checking engine to trans bore alignment. I'm off by about 0.024" radial, which puts me right in line with the accuracy limits of the measuring tools I used when I made the original model. I'm hoping it doesn't cause any major problems, and the springs in the clutch disc adsorb it. The hot rod sites suggest misalignment should be 0.010" total. http://www.hotrod.com/articles/ctrp-040 ... alignment/ http://www.moderndriveline.com/Technica ... dexing.htm Can you use some kind of offset dowels to shore it up? |
Author: | Lonnie-S [ October 5, 2017, 5:33 pm ] |
Post subject: | Re: The GWTFFM |
Pretty fancy work on the Delrin clamp - nice idea. Cheers, |
Author: | 300D50 [ October 8, 2017, 1:55 am ] |
Post subject: | Re: The GWTFFM |
Laminar: The plan is to do the final alignment check with the transmission housing on the built engine, then re-bore the dowel holes on the adapter plate to 11mm in the proper spots to remove the offset. Then I can machine a set of 11mm-9.5mm stepped dowels and press them in. Lonnie: Thanks! I figured it was a cleaner look than P-clips on a bracket, and it addressed the issue of closing up the hole. I know a few more of these will pop up in the build once the other lines need to be routed. |
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