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Forum: 55. Dust Management Thu 17 September 2009, 23:37
Replies: 30
Views: 37,539
Posted By javeria
sent -

sent -
Forum: 55. Dust Management Wed 16 September 2009, 09:37
Replies: 30
Views: 37,539
Posted By javeria
ok - take your call dear :)

ok - take your call dear :)
Forum: 55. Dust Management Wed 16 September 2009, 08:51
Replies: 30
Views: 37,539
Posted By javeria
no yaar 2 hp will pull more current if it gets...

no yaar 2 hp will pull more current if it gets loaded, once a motor is running the current consumption drops.

so a 3 hp will consume the same power as a 2 hp will once its started rotating, but a...
Forum: 55. Dust Management Wed 16 September 2009, 07:54
Replies: 30
Views: 37,539
Posted By javeria
oh 2 hp - I used a 3 hp one - cost difference...

oh 2 hp - I used a 3 hp one - cost difference only Rs 500 so.

i think i used the least thk GI sheet - used for manufacturing the AC ducts.

at 60Hz the fan spins faster than at 50Hz. so to...
Forum: 55. Dust Management Wed 16 September 2009, 06:57
Replies: 30
Views: 37,539
Posted By javeria
Sharmaji - go for the backward curved fan - I...

Sharmaji - go for the backward curved fan - I will send you the drawings -

I put it on only when the cut is complete ( I am chicken to keep it on contineously with the GI case :D). you can get...
Forum: 55. Dust Management Wed 16 September 2009, 06:22
Replies: 30
Views: 37,539
Posted By javeria
casting is a good way- but when at high speeds...

casting is a good way- but when at high speeds there is possibility of it disintegrating if there are some anomalies in the cast. better to go for sheet.

G' told me once that since in US motors...
Forum: 55. Dust Management Wed 16 September 2009, 06:01
Replies: 30
Views: 37,539
Posted By javeria
Got it - I think the one I have made is...

Got it - I think the one I have made is performing superb - so no complaints and would certainly make one for others too. Getting a curved profile might be easy with the right tools but straight one...
Forum: 55. Dust Management Wed 16 September 2009, 04:30
Replies: 30
Views: 37,539
Posted By javeria
Oh the impeller was just a copy from the Bill's...

Oh the impeller was just a copy from the Bill's website. if you want I can pass on the DXF.

btw do you have the dimensions of the martlet type fan?

RGDS
IRfan
Forum: 55. Dust Management Thu 02 October 2008, 00:33
Replies: 30
Views: 37,539
Posted By javeria
ok, true as the CFM will depend on the ducting...

ok, true as the CFM will depend on the ducting too.
Forum: 55. Dust Management Thu 02 October 2008, 00:10
Replies: 30
Views: 37,539
Posted By javeria
G' did you use a anemometer to measure the CFM? I...

G' did you use a anemometer to measure the CFM? I dont see the CFM figures / velocity figures
Forum: 55. Dust Management Thu 02 October 2008, 00:07
Replies: 30
Views: 37,539
Posted By javeria
Folk's thanks for the thumbs up, what me and...

Folk's thanks for the thumbs up, what me and Vishnu thought was to copy the impeller on the Bill Pentz site. Its the red one with dimensions marked on them. As a first try we will have a straight...
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