I spoke to the fella that installed the turbo on the 550 and 650 (Boost Worx, St ALbert, Alberta). He said they were outclimbing turbo 800cc sleds with the turbo 550. Point, hang on, and when it hooks up you go!
I know Brett at 2moto picked up a turbo 650 in Edmonton last week. He's probably been out on it by now...
I know Brett at 2moto picked up a turbo 650 in Edmonton last week. He's probably been out on it by now...
I watched a guy up on the mountain this weekend on a KTM 576 2Moto machine. It went pretty well, but gave up climbing ability to the Snohawk and the 2 ski sleds. Nonetheless, I am intregued. A turbo may put on closer to equal footing with the multicyllinder machines.
Here is a short vid,
http://s91.photobucket.com/albums/k290/spooledx2/?action=view¤t=P1010596.flv
http://s91.photobucket.com/albums/k290/spooledx2/?action=view¤t=P1010596.flv
Thanks to Kelsow for posting those pics. I was just getting to it.
The Turbo Bergs really run, but need a bit of tuning yet. I picked up the 650 in Edmonton, and basically drove about 21 hours to ride it in Utah (at the Fairview shootout)
How does it run? I still have these cramps in my face from perma-grin...
It will climb just about anything you can point it at. Was told the 550 was dyno'd at 114hp @ 10 psi. Not sure about the 650, since it was put together so fast.
Here's a few more vids from the weekend-
The Turbo Bergs really run, but need a bit of tuning yet. I picked up the 650 in Edmonton, and basically drove about 21 hours to ride it in Utah (at the Fairview shootout)
How does it run? I still have these cramps in my face from perma-grin...
It will climb just about anything you can point it at. Was told the 550 was dyno'd at 114hp @ 10 psi. Not sure about the 650, since it was put together so fast.
Here's a few more vids from the weekend-
I was thinking turbo's dit not really work on 1 cilinder engine's because of the insane presure build up in the period the intake valve's are closed (in a 2 or 4 cilinder engine the are alway's 2 ore 4 valve's openened so the turbo can push it's presure in those cilinders) And I dont understand how the turbo is keeping its speed when the exhaust valves are closed? There is no more exhaust fumes flow to keep the turbo running?
Is there a wastegate for the turbo?
Love to see some more detailed pics if possible.
And also, which turbo brand (garret?) and/or type dit you use on a 550/650? Must be a really small turbo?
Thanks!
Is there a wastegate for the turbo?
Love to see some more detailed pics if possible.
And also, which turbo brand (garret?) and/or type dit you use on a 550/650? Must be a really small turbo?
Thanks!
Joined Jun 2001
1K Posts | 0+
Pasadena Ca.
My ears detected some misfiring during the video climbs, right at where the torque started to peak.
If so, maybe they should add a waste gate.
Or maybe the mixture is off.
Would like to know what the absolute pressure (Local plus boost) is when the misfiring happens. Just knowing the altitude, air temperature and boost will give you the number.
I would like to see more pics of the installation to see how they deal with the fueling....
Joe
If so, maybe they should add a waste gate.
Or maybe the mixture is off.
Would like to know what the absolute pressure (Local plus boost) is when the misfiring happens. Just knowing the altitude, air temperature and boost will give you the number.
I would like to see more pics of the installation to see how they deal with the fueling....
Joe
Once again the pics I take with my own camera in front of my own house magically appear on here before I can even get home from work... Kelsow, you're fast!!!
Joe- you ears serve you well. I tuned the bike with the pros from Boostwurx in Edmonton Canada at about 3500 feet and 20 degrees F. It would pack the ski in the field in 4th until I ran out of space.
Then I drove 18 hours home, put a new track on it and headed 6 hours South to Utah for the big sled races. Parked at 9200 feet at about 40 degrees. Rode in to about 10,000 feet to race.
Yeah, it was way off. I didn't have the right main jet with me, and going on 5 hours of sleep in 3 days (and 2600 miles), I didn't have the gusto to drop the needle. I compensated by lowering the fuel pressure, lessening the squirt on the power jet, and adjusting the vanes to bring the boost in just above idle in order to get around the fat bog at 1/3 throttle. (Aerocharger 56 turbo)
It ran ok in 3rd, and hit 4th at the end of the day once it cooled off.
I need to tune it for about 7000 feet, (avg) and about 35 degrees (avg) at 10 psi. boost.
Ideas guys?
Oh, boost was set at 10 pounds.
Going testing tomorrow. I think I'll turn it up to 14 psi. How tough is the 650 motor anyway? I'm running VP fuel with a motor octane of 119. Only one way to find out!
I'll get some more photos of the trick carb setup once I get into it tonight. I bet I don't even have to upload the shots to my computer. Kelsow probably has my camera hacked...
Remind me to take some pics of the new rad guards that say "husaboost"
Joe- you ears serve you well. I tuned the bike with the pros from Boostwurx in Edmonton Canada at about 3500 feet and 20 degrees F. It would pack the ski in the field in 4th until I ran out of space.
Then I drove 18 hours home, put a new track on it and headed 6 hours South to Utah for the big sled races. Parked at 9200 feet at about 40 degrees. Rode in to about 10,000 feet to race.
Yeah, it was way off. I didn't have the right main jet with me, and going on 5 hours of sleep in 3 days (and 2600 miles), I didn't have the gusto to drop the needle. I compensated by lowering the fuel pressure, lessening the squirt on the power jet, and adjusting the vanes to bring the boost in just above idle in order to get around the fat bog at 1/3 throttle. (Aerocharger 56 turbo)
It ran ok in 3rd, and hit 4th at the end of the day once it cooled off.
I need to tune it for about 7000 feet, (avg) and about 35 degrees (avg) at 10 psi. boost.
Ideas guys?
Oh, boost was set at 10 pounds.
Going testing tomorrow. I think I'll turn it up to 14 psi. How tough is the 650 motor anyway? I'm running VP fuel with a motor octane of 119. Only one way to find out!
I'll get some more photos of the trick carb setup once I get into it tonight. I bet I don't even have to upload the shots to my computer. Kelsow probably has my camera hacked...
Remind me to take some pics of the new rad guards that say "husaboost"
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