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Re: [Tigers] Sunbeam 260 and DIY Dyno first trial run...

To: "drmayf@mayfco.com" <drmayf@mayfco.com>, "land-speed@autox.team.net" <land-speed@autox.team.net>, "tigers@autox.team.net" <tigers@autox.team.net>
Subject: Re: [Tigers] Sunbeam 260 and DIY Dyno first trial run...
From: "Smit, Theo" <Theo.Smit@dynastream.com>
Date: Tue, 21 May 2013 23:03:11 +0000
Accept-language: en-US
Delivered-to: mharc@autox.team.net
Delivered-to: tigers@autox.team.net
References: <519BEB08.8060100@mayfco.com>
Thread-index: AQHOVmz/RMPP+s1seEy7AqY9eD7SC5kQONag
Thread-topic: [Tigers] Sunbeam 260 and DIY Dyno first trial run...
That's looking great, Mayf! Congratulations on getting it up and running. The
near-instant feedback you're going to get from making tuning changes is going
to speed up your engine development by huge leaps.


> -----Original Message-----
> From: tigers-bounces@autox.team.net [mailto:tigers-
> bounces@autox.team.net] On Behalf Of Larry Mayfield
> Sent: May 21, 2013 3:46 PM
> To: land-speed@autox.team.net; tigers@autox.team.net
> Subject: [Tigers] Sunbeam 260 and DIY Dyno first trial run...
> Ok, so you all looked at the vids of the first two startups of the
> Sunbeam's newest motor. Well, now here is a third one, made yesterday,
> that has the run stand coupled to its diy dyno counterpart. This was
> the first time ever fired up on the dyno and there were lots of
> questions in my mind. It worked out just fine! The dyno is something I
> fabricated from scratch using a Jaguar IRS with inboard disk brakes.  I
> even shortened the drive shaft myself. The blue components are water
> collectors and shields to keep water from going all over the place. Two
> spray nozzles along side each rotor.  Lots of things I might do
> differently, lots of things to change or improve, but it works!  When
> operating at 2500 rpm, I am able to drop the rpm with just a small
> change in pressure to the brake master cylinder's push cylinder.  And
> recover the rpm afterwards.  I did not try and  break anything because
> the tune is not right. Ok for the load level we were at but not a full
> boogie run.  Plus, if I ran it at full song, I suspect the police would
> have been there in short order, lol. It barks really loudly, so some
> turbo mufflers are required...
> here is the link..
> http://www.youtube.com/watch?v=YEGXda1cZ8Q
> mayf
> --
> ______________________________
> drmayf
> Worlds Fastest Sunbeam, period.
> 204.913 mph flying mile
> 210.779 mph exit speed
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