Hello All,
I was going to post some photos of my Honda VFR400R NC30, but the forum thinks my jpeg files are invalid
Anyway, hopefully I will be fitting a Jaguar 0.7 FreeEMS board to the bike soon. I was concerned about something I read
here about the missing tooth decoder being unable to handle high engine speeds, this bike revs to 15,000 rpm
The engine is a 90 deg. V4 400cc and it has a 36 - 1 toothed wheel on the crank. Missing tooth is at 70 deg BTDC
of the rear cylinders
The original crank had a 8 - 1 toothed wheel and 2 VR sensors at about 70 deg. to each other, feeding into Mr. Honda's own
ignitor box. I am using one of the OEM VR sensors, the other is removed.
The engine fires 0 - 90 - 360 - 450 , rear cylinders first, and uses 2 ignition coils wasted spark mode
There are 4 injectors, one in each throttle body. I'm not sure if it will need secondary injectors above the velocity stacks,
because there is so little time for fuelling at max. engine speed. A lot of the newer Honda's have secondary injectors.
Cold starting and running is by human intervention , but I think it will idle ok after even a short warm-up because of the ITB's.
Anyway, it's always good to warm your engine up, isn't it ? The neighbours mightn't be too happy about that though, especially
with the race pipe
Regards,
Dave.
Whizzo944's Honda VFR400R NC30
Whizzo944's Honda VFR400R NC30
Last edited by whizzo944 on Sat Jun 28, 2014 9:55 am, edited 5 times in total.
Re: Currently Supported Configurations
Unchanged, sorry. The person who was supposed to make this happen has totally dropped the ball leaving me to fill in the gaps. Do you have a build thread? If so I'll move your post and this reply there to discuss further.whizzo944 wrote:Hello Fred,
What is the current state of play with regard to engine support? I notice that the last post in this subject
was over 2 years ago.
Regards,
Dave.
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Re: Currently Supported Configurations
I don't have any hardware yet, I have just ordered a Jaguar 0.7 from DeuceEFI but haven't got it yet.
I assume that you need an engine spec. in this build thread ?
Where is the correct place to put it?
I assume that you need an engine spec. in this build thread ?
Where is the correct place to put it?
Re: Whizzo944's 199X/200X/201X ABC of Awesome.
Here! :-D Edit the first post (including title) to your liking, pics, description, etc :-) Have a read here and here, too:whizzo944 wrote:I don't have any hardware yet, I have just ordered a Jaguar 0.7 from DeuceEFI but haven't got it yet.
I assume that you need an engine spec. in this build thread ?
Where is the correct place to put it?
viewtopic.php?f=55&t=2436
viewtopic.php?f=3&t=2378
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n00bs, do NOT PM or email tech questions! Use the forum!
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FreeEMS dev diary and its comments thread and my turbo truck!
n00bs, do NOT PM or email tech questions! Use the forum!
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Re: Whizzo944's Honda VFR400R NC30
Hello All,
Am I going to have problems using a 36 - 1 toothed wheel at 15,000 rpm ?
TIA,
Dave.
Am I going to have problems using a 36 - 1 toothed wheel at 15,000 rpm ?
TIA,
Dave.
Re: Whizzo944's Honda VFR400R NC30
No, two engines have run with my latest fixes. I want to verify it on the bench before publishing it, but it should be fine to 15k or above, now.
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n00bs, do NOT PM or email tech questions! Use the forum!
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n00bs, do NOT PM or email tech questions! Use the forum!
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Re: Whizzo944's Honda VFR400R NC30
Hello Fred,
Are you allowed to tell us what the engines were and how fast they rev ?
TIA,
Dave.
Are you allowed to tell us what the engines were and how fast they rev ?
TIA,
Dave.
Re: Whizzo944's Honda VFR400R NC30
Sure, but neither of them proved the RPM capability, only that it works and isn't broken. One was ToxicGumbo's 4 cylinder truck tested to maybe 3k with 36-2, and the other was em_knaps' 1UZ-FE V8, tested to 7500 with 12-1. IE, both tests would have passed with the old firmware. Hence bench testing is required to verify the efficiency of the code before publishing it.
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FreeEMS.org - the open source engine management system
FreeEMS dev diary and its comments thread and my turbo truck!
n00bs, do NOT PM or email tech questions! Use the forum!
The ever growing list of FreeEMS success stories!
FreeEMS.org - the open source engine management system
FreeEMS dev diary and its comments thread and my turbo truck!
n00bs, do NOT PM or email tech questions! Use the forum!
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Re: Whizzo944's Honda VFR400R NC30
Hello,
So, I have firmware version
FreeEMS-0.2.0-SNAPSHOT-274-gb247e56-MissingTeeth-Crank-36minus1
Is this the latest general release firmware ?
I'm just waiting for my Jaguar board to arrive and then I can test it on the bench. I have a small electric motor
with a 36-1 wheel on it and a real VR sensor that I can run to 20,000 rpm , so if it works OK with that, then I'm
pretty sure it will be OK on the real engine.
TIA,
Dave.
So, I have firmware version
FreeEMS-0.2.0-SNAPSHOT-274-gb247e56-MissingTeeth-Crank-36minus1
Is this the latest general release firmware ?
I'm just waiting for my Jaguar board to arrive and then I can test it on the bench. I have a small electric motor
with a 36-1 wheel on it and a real VR sensor that I can run to 20,000 rpm , so if it works OK with that, then I'm
pretty sure it will be OK on the real engine.
TIA,
Dave.
Re: Whizzo944's Honda VFR400R NC30
You'll need a suitable configuration loaded/it to be preconfigured, too. I highly recommend bench testing like that to prove it to yourself for peace of mind, good on you! :-) Once your board arrives and you complete it enough to test with, hit me up for a suitable firmware setup exactly as you intend to use on your bike.
DIYEFI.org - where Open Source means Open Source, and Free means Freedom
FreeEMS.org - the open source engine management system
FreeEMS dev diary and its comments thread and my turbo truck!
n00bs, do NOT PM or email tech questions! Use the forum!
The ever growing list of FreeEMS success stories!
FreeEMS.org - the open source engine management system
FreeEMS dev diary and its comments thread and my turbo truck!
n00bs, do NOT PM or email tech questions! Use the forum!
The ever growing list of FreeEMS success stories!