Ventilation tube for calf shed
- Thread starter dinderleat
- Start date
Dman2
Member
- Location
- Durham, UK
Set up a bit of a jig to get spacing's even
Cut holes with a hole saw high speed in drill
did start using a punch but soon gave up on that
Cut holes with a hole saw high speed in drill
did start using a punch but soon gave up on that
Dman2
Member
- Location
- Durham, UK
Just guessed at the angle needed for the airflow, went with 1/3 up from bottom
Will do some smoke tests tomorrow to see if its right
Will do some smoke tests tomorrow to see if its right
Dman2
Member
- Location
- Durham, UK
here`s a couple of pics of the finished job
did some smoke tests with it running and smoke soon dissipated.
Before it just lingered in shed
did some smoke tests with it running and smoke soon dissipated.
Before it just lingered in shed
Magdeck is a good system, here are contacts that may help you.
Ivor Davies at Cowplan, Bristol – 07751050158
El Lewis Calfvent Design at Welshpool – 07530720905
£190 not £150 but still cheap enough
Commercial Extractor Industrial Ventilation Axial Exhaust Blower Flow Plate Fan | eBay
Available in 8", 10", 12", 14", 16", 18", 20" 22" 24". Axial fan with grill. Powder coated steel wire safety guard. 100% Copper winding motor. Technical Info.www.ebay.co.uk
This is the tube
1000g Ultra Heavy Duty Layflat Tubing - Transpack
The ultimate in strength and abrasion resistance. Ideal for packing items where conventional packing may get torn off. Shop heavy duty layflat tubing.www.transpack.co.uk
Looks impressive, Is it still working well?
How did you seal the end of the tube? What sizes of fan and tube did you go for?
Dman2
Member
- Location
- Durham, UK
Went for the 24" fan
Just tied some string round end of tube to seal it
Works well, the atmosphere is really good in there now
Just tied some string round end of tube to seal it
Works well, the atmosphere is really good in there now
gethrhos
New Member
- Location
- Ceredigion
Do you think there is enough power in 24" fan or would you go bigger next time?
Dman2
Member
- Location
- Durham, UK
Seems ok for 75ft
Any more and it would be drafty
Mrfarmjunk
Member
Hi.
What length do the pipes come in? How do you join them?
Also what size fan did you use? I only need the pipe to be 40ft long.
Cheers
- Location
- welshpool and NI
The fan you select has to do 3 things
1. Give the right number of air changes to be effective.
2. Deliver the air in the right places draught free.
3. Cost no more to run than is absolutely necessary.
El Lewis does that for you and gives you a control to keep it right.
Anyone can milk a cow- doesnt make him a dairy farmer. Respect knowledge. You will always win.
Hi, I have just installed a tube ventilation system in my calf shed , it's 100 feet long and phemonia problems have worsened, I have a climate controlled curtain at each side, and suspect the tube is blowing the warm air and germs back down round the calves, has anyone had similar problems.
K.
You are right ,hutches are best for calves but not for calf person feeding in winter,
We have a set up like this.
However, some of the plastic fasteners have broken, it is probably 4 years old, but the plastic is not robust. Also can fill up with snow and sag, big time.
Plus side, the fan and variable speed drive have not skipped a beat, think these are Hydor, though most of the time leave it on max speed.
I like the look the idea of a more substantial tube.
This autumn, circa 100 calves, no scour but lots of pneumonia so not the "silver bullet" effect that others have experienced.
We still get pneumonia in hutches and f**k me when the weather is bad its a mare.
We've lashed up a ventilator for our calves house, never had any problems til last year, vets always used ask if we pneumonia in that shed! Do now.
All deep cleaned since and fitted up this.
luckily the calf house is next to car shed that has open front so the extractor extracts from there into calf house, holes in waste pipe drilled at 4 and 8 o'clock.
Did a bit of research before adhb videos and stuff like that, reckons air needs changing four times an hour. This is the biggest cheap extractor tool station do and should do this shed on its own 3 times an hour, there's a bit of natural ventilation too so
The extractor is 150mm so I guessed needed the same area in outlet holes which works out at 150 ish 12mm holes, did 10mm cos tis easier make a hole bigger than smaller, on 15m of pipe hole every 100mm.
Bought a box of smoke matches from Toolstation lit before and the smoke lingered really bad, felt like plenty of air coming over the doors but seemed to just push smoke down to the calves, seem to have been lucky with hole size and spread, light smoke up at the extractor and it comes out the pipe nice and even, no draught at calf head hight but the smoke just about gets there, shed feels much nicer now, it's drier in there too, smoke soon vanishes now.
About £100 quid in bits and a few hours work, will hopefully pay off?
All deep cleaned since and fitted up this.
Did a bit of research before adhb videos and stuff like that, reckons air needs changing four times an hour. This is the biggest cheap extractor tool station do and should do this shed on its own 3 times an hour, there's a bit of natural ventilation too so
The extractor is 150mm so I guessed needed the same area in outlet holes which works out at 150 ish 12mm holes, did 10mm cos tis easier make a hole bigger than smaller, on 15m of pipe hole every 100mm.
Bought a box of smoke matches from Toolstation lit before and the smoke lingered really bad, felt like plenty of air coming over the doors but seemed to just push smoke down to the calves, seem to have been lucky with hole size and spread, light smoke up at the extractor and it comes out the pipe nice and even, no draught at calf head hight but the smoke just about gets there, shed feels much nicer now, it's drier in there too, smoke soon vanishes now.
About £100 quid in bits and a few hours work, will hopefully pay off?
TheRanger
Member
- Location
- SW Scotland
Haven't had any bother until this year with pneumonia. Have lost a few big strong calves now and putting it down to a combination of the mild weather and lack of ventilation. Have just fitted a fan, cowling and flexible tube system 60’ long, didnt think it was dear enough to start trying to make a homemade system.
- Location
- Scottish Highlands
How wide a gap do you have in the roof ridge? Can’t quite see from the pictures but I’d expect a good foot or so there for a cattle shed - or am I out of touch?We've lashed up a ventilator for our calves house, never had any problems til last year, vets always used ask if we pneumonia in that shed! Do now.
All deep cleaned since and fitted up this.
View attachment 1078892View attachment 1078893View attachment 1078894luckily the calf house is next to car shed that has open front so the extractor extracts from there into calf house, holes in waste pipe drilled at 4 and 8 o'clock.
Did a bit of research before adhb videos and stuff like that, reckons air needs changing four times an hour. This is the biggest cheap extractor tool station do and should do this shed on its own 3 times an hour, there's a bit of natural ventilation too so
The extractor is 150mm so I guessed needed the same area in outlet holes which works out at 150 ish 12mm holes, did 10mm cos tis easier make a hole bigger than smaller, on 15m of pipe hole every 100mm.
Bought a box of smoke matches from Toolstation lit before and the smoke lingered really bad, felt like plenty of air coming over the doors but seemed to just push smoke down to the calves, seem to have been lucky with hole size and spread, light smoke up at the extractor and it comes out the pipe nice and even, no draught at calf head hight but the smoke just about gets there, shed feels much nicer now, it's drier in there too, smoke soon vanishes now.
About £100 quid in bits and a few hours work, will hopefully pay off?
Ridge is closed on that shed, was thinking of lifting it to start with most thing I read saud little calf's don't create enough heat to get a stack effect out the ridge, the pipe was the easiest way could think of improving shed.
Just need to duct the warm air from tank compressors in there now. .......
Just need to duct the warm air from tank compressors in there now. .......