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AF12 may
be 12" and AF15 is 15" diameter.
Fan should be
cast with perpendicular blades - don't use a squirrel cage type as it will clog
and unbalance....also, backward curve blades produce less airflow but more
pressure.
I think the
largest ET motor is the snowblower and it's only rated 2 or 2.5HP
@3,600RPM....not powerful enough for a direct drive fan in my opinion plus the
KW to drive it for any length of time is very limited by battery
condition. Unfortunately, the 5HP ICE is better for a fan application and
probably required for the AF12. AF15 may be closer to
7.5HP.
Your idea
seems reasonable - the next issue is screening the trailer in.....burlap is
lousy. Actual screen may be better.
Good
luck.
...Walt
Erie
PA
-----Original Message-----
From: elec-trak-bounces cosmos phy tufts edu [mailto:elec-trak-bounces cosmos phy tufts edu]On Behalf Of Joseph Bergrath Sent: Monday, September 18, 2006 3:03 PM To: elec-trak cosmos phy tufts edu Subject: (ET) leaf vacuum Hi everyone.
This is my first post so I hope I am doing
this the right way.
I am trying to get into the discussion about
vacuuming leaves with our ET machines.
I have just purchased my first E14 ElecTrak.
So far I like it a lot.
I dont think my charger is working properly,
not enough voltage, only 36 volts.
I believe I read something about a capaciter
that goes bad over time.
I think I need more help with that before I
understand it.
Any way I bought a new charger on Ebay ,a
Protech 3616, and it is doing a good job.
Getting back to the leaf vacuuming. I got a
good deal on a rusty trac vac with no motor or mount,
But it did come with 2 aluminum blowers. They
are both American fan co. one is a AF12 the
other one is an AF15. I have emailed
there rep trying to find out what Hp I would need to power
them.
They havent answered me yet. I believe that
the smaller one would be used with a 5 HP gas motor.
My plan is to mount the motor on the rear
using the slide in frame mounts and pulling the trailer from that
mount.
I will have to fabricate a 6" hose
adapter for the side discharge chute.
I will hang the hose from my snow blower
bracket,the one that holds the crank to adjust the chute,
to keep it off the ground.
What I need help with is the size of motor
and if i could run it from my existing batterys, with the
mowers running, or would I need to have an
additional power pack? If I need an additional pack
would I be able to get by with 24 Volts or
should I stick with 36 volts?
I have a lot of 70' tall oak and hickory
trees on my property and would need quite a bit of capacity
to get the job done.
Thanks in advance for any help you guys can give
me. Joe Bergrath
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