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so its a 750watt blower? That seems pretty high considering the size of the thing.
i agree on the wire due to it being so short.
i'd like to hear what your "thermo guy" had to say.
Thanks all for the encouraging words. I know it wasn't a perfectly kept secret, but the Trinities are becoming quite popular these days.
I promise pics and info on the website just as soon as we get back from the SLC Snow Show. Just too busy getting ready right now.
As for dyno charts, Reggie Sellers has yet to get his L&S Dyno to communicate to his computer. The results we saw from the first test were simply what we gleaned from the digital display as it read out during the runs. Hopefully in a few weeks he will get it fixed and we can better the situation.
Wade, here's some numbers for you to consider:
750 ft drag run
10 seconds flat w/o Electroboost
8.25 seconds w/ Electroboost
What's the percentage gain in thrust?
Next:
460 Lb. sled w/ 230 lb rider(yeah, I know...whoof), 124 theoretical Hp Stock @ 5,000 ft El.
Same differential numbers as above.
What is the horsepower gain?
Yha, I must be doing my math wrong
Assuming constant acceleration.
10s over 750ft = 15 ft/s^2
8.25s over 750 = 22 ft/s^2
10s Force of 321.4 lbf
8.25s Force of 471.4 lbf
46% incerase?????
10s top speed 150 ft/sec 102 mph
8.25 top speed 181 ft/sec 123 mph
10s ended at 88 HP
8.25s ended at 155 HP
nearly doubled HP?????
OK, now what am I missing here?
Thanks all for the encouraging words. I know it wasn't a perfectly kept secret, but the Trinities are becoming quite popular these days.
I promise pics and info on the website just as soon as we get back from the SLC Snow Show. Just too busy getting ready right now.
As for dyno charts, Reggie Sellers has yet to get his L&S Dyno to communicate to his computer. The results we saw from the first test were simply what we gleaned from the digital display as it read out during the runs. Hopefully in a few weeks he will get it fixed and we can better the situation.
Wade, here's some numbers for you to consider:
750 ft drag run
10 seconds flat w/o Electroboost
8.25 seconds w/ Electroboost
What's the percentage gain in thrust?
Next:
460 Lb. sled w/ 230 lb rider(yeah, I know...whoof), 124 theoretical Hp Stock @ 5,000 ft El.
Same differential numbers as above.
What is the horsepower gain?
no truer words have been spoken.The only thing you missed is AS SEEN ON TV !!!!
That set of numbers you thru out there is the RED flag all you folks should be running from like crazy.
Just like politics, this story will be rehashed in 10 years AGAIN just liike weapons of mass destruction,,( read news media )...thats the real weapon..
Gus'
This tread needs 'Billy Maze' and the power of oxyclean !.. r.i.p billy
Yha, I must be doing my math wrong
Assuming constant acceleration.
10s over 750ft = 15 ft/s^2
8.25s over 750 = 22 ft/s^2
10s Force of 321.4 lbf
8.25s Force of 471.4 lbf
46% incerase?????
10s top speed 150 ft/sec 102 mph
8.25 top speed 181 ft/sec 123 mph
10s ended at 88 HP
8.25s ended at 155 HP
nearly doubled HP?????
OK, now what am I missing here?
perhaps the large gain is coming from the "instant" on capabilities of an electric blower? Still, that's a very large drop in ET.
You guys are pretty harsh on this guy and his product though. As i said before, let the thing stand on its own feet when the snow flies.
Okay, now I know there are pessimists on here ready to bash.
I never said the Electroboost was posting those et,s I was just simply testing Wade the mathmetician with hypothetical numbers to see what he could come up with, that is all. Please reread below for example:
"Wade, here's some numbers for you to consider:
750 ft drag run
10 seconds flat w/o Electroboost
8.25 seconds w/ Electroboost
What's the percentage gain in thrust?
Next:
460 Lb. sled w/ 230 lb rider(yeah, I know...whoof), 124 theoretical Hp Stock @ 5,000 ft El.
Same differential numbers as above.
What is the horsepower gain?"
I know that talk is way cheaper than the Electroboost, but could we please let the in-the-field performance of the Electroboost talk for itself this winter without calling me an idiot BEFORE ANYONE TRIES IT!!!
I apologise for any confusion this comment TO WADE might have caused.
So, it's a pretty easy equation to calculate this stuff, but to really know, you need a G meter, mass, and speed. Then you make a plot of HP versus speed.
1 HP = 550 ft - lbf / sec
so
HP = speed(ft/sec) * lbs(lbs of force) / 550
or
HP = mass (lbs) * #_of_G's * speed(ft/sec) / 550
For your example:
x feet of run
a acceleration
t time of run
x = a * (t^2) / 2 or a = 2 * x / (t^2)
a = 2 * 750ft / (8.25 ^2) = 22.0 (ft/sec^2)
v velocity
v = a * t
so
v = 22.0 ft/sec^2 * 8.25 sec = 181 ft/sec or 123 mph
This gets a little tricky
f force, how hard your motor is pushing you
m mass - your mass is 690 lbm (lbs mass)
Now your mass is 690 lbm, but your weight is 690 lb of force straight down.
We don't care about your weight down, we want your weight or force forward.
It's the english units, metric is much easier to understand.
So, if your not accelerating your force forward is 0.
If your accelerating at one G, your force forward is your mass.
If your accelerating forward at 0.5G, then your force forward is 1/2 your mass.
1 G is 32.2 ft/sec^2
f = m * a
so a = acceleration if 22.0 (ft/sec^2) / 32.2 (ft/sec^2) or 0.68 Gs
f = 690 lbm * 0.68 = 471.4 lbf
HP = v * f / 550 (lbf - ft / sec)
HP = 181 (ft/sec) * 471.4 (lbf) / 550 (lbf-ft/sec) = 155 HP