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  Topic Review (Newest First)
05-10-2017 02:05 PM
r34 zach hey, do you have any spare parts? I'm in toronto and rebuilding a crashed s2 elise (front damage)
10-08-2015 07:57 AM
poorb0yw Hahaha. Nice to know the back story behind it.

It caught my attention because of all the focus on aerodynamics.
10-08-2015 07:37 AM
ageshelin
re: No roof

This is a funny question. why no roof? I hate convertibles. I find my head gets too hot from the sun and my hair gets dirty. I had a TR6 a long time ago.

I find the ventilation better with no roof in the race cat. The roof is not structural. I have a full cage. Also, I did not latch it properly, once... The CF roof did not get damaged, but the explosive noise it made when it came off surprised and scared me.

Anton


Quote:
Originally Posted by poorb0yw View Post
Really cool looking project. Also the first time I've even seen pictures of dymags on a car actually being used.

Out of curiosity, why do you run without the roof?
10-07-2015 04:50 PM
poorb0yw Really cool looking project. Also the first time I've even seen pictures of dymags on a car actually being used.

Out of curiosity, why do you run without the roof?
09-15-2015 09:32 PM
ageshelin
More pics from same day

FYI
09-15-2015 09:30 PM
ageshelin
August TMP pics

Somebody was taking pics. I use them to see how the suspension reacts.

Anton
09-02-2015 08:10 AM
ageshelin
To Mosport on Friday!!!

New axles replaced...

Lapping Mosport on Friday with BMW club.

Anybody from here going?

Anton
08-31-2015 09:48 AM
ageshelin
Getting new 300M axles from DriveShaftShop

The original axle was fine, till I used 1st at full boost. that was not my intention. This type of behaviour will probably destroy the transaxle quickly, also.

Getting new 300M shafts. They are 5.9 spec... The Honda size is just too small. I used to break shafts om my other car all the time. Cryo treationg completely eliminated the problem Fist shaft I treated was the last shaft I used (still in the old car).

Here are pics of broken shaft. It is a clean torsional sheer!

Anton
08-31-2015 07:18 AM
dstevens My experience of drive shaft shop stuff is that you have to get the level 3ish 650-850 hp sets just to be the same strength as Honda stock. However at some point they do work because my employees drag car is putting down over 800 ftlbs / 1100 hp and the axles don't break, obviously with large shock loads too.
In my Lotus we got Weismann (McLaren F1 etc etc) to make the axles, no problems in 7 years, but then I'm not making much power.
08-30-2015 12:37 PM
ageshelin 130mph or 210kmh down the 1/4mile front straight!

I never bought drive axles to handle fool boost in 1st. It is funny that the spec from DriveShaftShop is 3700lbs.ft. is above 3500 in 2nd but below 4700 in 1st and it busted the CV right on 1st (erroneous) try.

Anton

Quote:
Originally Posted by Blackpenquinn View Post
What a drag. Saw you stranded out there. Let's hope the next time I see you the car can be used in anger. The few times I saw you down the straight were really impressive.
08-29-2015 03:17 PM
Blackpenquinn What a drag. Saw you stranded out there. Let's hope the next time I see you the car can be used in anger. The few times I saw you down the straight were really impressive.
08-29-2015 11:23 AM
ageshelin
Broken CV

I went to Cayuga, TMP, yesterday.

Met Barry and his car, together! Great car!

Warmed up the car. Waited for initial rush of traffic to clear and started putting together some good laps...

I got caught by someone doing what seemed like 10mph on the track. Got frustrated, since had to wait till passing zone and the other driver was totally freaked out... Had to downshift to first (which I never do on the track) so I would not stall.

Got around him and gunned it down the main straight. I forgot that I was still in 1st. When the engine got on cam and boost, in a split second... I had a quick bounce off the rev limiter and no power to the wheels (I run a Quife). I thought, I busted my Quiufe sequiential...

Broke outer CV on the laden side coming into the front straight. It was a DriveShaftShop 600hp custom piece... I never intended to use 1st in anger... and here is the expected result.... Will probably keep the same CV. After all, it probably acted as a fuse that prevented me from blowing up the sequential tranny!

Anton
08-29-2015 11:15 AM
ageshelin
re: Loose steering column

Thank You.

Ping me when you start machining that part. I will make up my mind about what to to then... Maybe ask You to make one for me to lower our cost, please.

I have more pressing issues to attend to before winter comes here! (see below)

Anton

Quote:
Originally Posted by boxershorts View Post
08-23-2015 08:58 AM
boxershorts I found these...

Others bearings DG1935A-KOYO from $22.66 | 123Bearing
08-23-2015 08:42 AM
boxershorts
Quote:
Originally Posted by ageshelin View Post
CPH and Boxershorts;

Thank You Very Much.

A picture of a disassembled column is what I was looking for...

I am happy to hear that I am not alone with this problem. Surprised that that roller bearing is so fragile.... Load capacity should be around 900lbs or less... So not too hard to imagine a (I am joking about myself here) 250lbs guy holding on for his dear life at 2G's + whatever force is exerted by the fat guy, approaching this limit.

I had trouble finding the bearing on the internet in the 10 minutes I spent looking. McMaster does not have it.... There is all kinds of information stamped on it. Nachi is the manufacturer (good Japanese firm), it was made in Spain... I cannot read the part number on the pic. Would You post it, please? This is a common industrial part, so should be easy to find... A bushing would be better in this application, however.

I am faced with the same decision:

1. I can dump the column. Re-use the shaft and mount it in racing fashion.
2. re-build the column.
3. Buy a used column and hope I did not buy my problem back.

I use this in a race car, so no lock and no signal stalks.... Forget how much that column weighs... Is it a worthwhile weight saving to dump it?

Thank You,

Anton
I just about destroyed that cast aluminum housing on the end...drilling off the heads of the sheared off heads is a royal PITA!!!! You don't have straight access to drill them off. Once drilled off, I pulled off the housing and removed the remainder of the screws with visegrips.
08-23-2015 08:34 AM
boxershorts Very hard to read... but it looks like 19DC03S3

since it is a 19 ID and a 35 OD, it could be 19DC035B

but standard width of a 19mm ID with a 35mm OD is 11mm wide... I could just change my design to accept the standard width...
08-23-2015 07:42 AM
ageshelin
re: Steering wheel play

CPH and Boxershorts;

Thank You Very Much.

A picture of a disassembled column is what I was looking for...

I am happy to hear that I am not alone with this problem. Surprised that that roller bearing is so fragile.... Load capacity should be around 900lbs or less... So not too hard to imagine a (I am joking about myself here) 250lbs guy holding on for his dear life at 2G's + whatever force is exerted by the fat guy, approaching this limit.

I had trouble finding the bearing on the internet in the 10 minutes I spent looking. McMaster does not have it.... There is all kinds of information stamped on it. Nachi is the manufacturer (good Japanese firm), it was made in Spain... I cannot read the part number on the pic. Would You post it, please? This is a common industrial part, so should be easy to find... A bushing would be better in this application, however.

I am faced with the same decision:

1. I can dump the column. Re-use the shaft and mount it in racing fashion.
2. re-build the column.
3. Buy a used column and hope I did not buy my problem back.

I use this in a race car, so no lock and no signal stalks.... Forget how much that column weighs... Is it a worthwhile weight saving to dump it?

Thank You,

Anton
08-22-2015 01:54 PM
cph I also had play in my wheel . On disassembly found it was the small bearing as shown by "Boxershorts"
Travelling at present and I can't recall the bearing Part Number... but it was easy to source from a local bearing shop.
I ended up rebuilding the" upper column assembly" of the steering arm ... I pretty much destroyed the OEM unit in disassembly ... its well built !!
I dont have an actual pic of what I fabricated.. but looks very similar to this ..
Still the same length as the OEM upper column and uses the OEM steering shaft so that it connects to the" Intermediate" column in the same way as OEM.


[IMG][/IMG]
08-22-2015 02:21 AM
boxershorts There is a very light weight bearing just behind the steering wheel...







That bearing has a OD = 35mm

ID = 19mm

Width = 7mm

I want to make a light weight end without the steering lock. I've already designed it...I've got a STP file, but I have not machined it yet.



If and when you find a source for those bearings, share it with me...
08-21-2015 11:51 AM
ageshelin
re: Steering wheel play

It is not the rack and pinion gear. It is definitely in the column. The column is bolted down very well. I will check, if it managed to collapse....
Are there any serviceable bushings inside the column? This is what it really feels like. Neither the .pdf or the diagram shows any internal parts in the column.

Anton

Quote:
Originally Posted by Vulcan Grey View Post
There is a bushing the pushes the rack against the pinion. That might be worn/loose and can cause some slop.

There is also a spring that pushes the bushing against the rack, that should provide constant pressure, but springs give out from time to time.

https://www.lotustalk.com/forums/f259...3/#post1488513


If it is not in the rack, but higher in the column, then it could be the mounting point, or a bushing, or it could be the collapsible column is broken...


Take a look here
http://www.lotusforum.be/TO-DOWNLOAD...ering%20HF.pdf
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