Hi Darren,
Have visited the hangar to take some measurements of the Naca Duct.
The opening is 120mm x 34mm.
The length of the duct is 230mm.
Duct width starts at 20mm to 120mm.
Centred from the Spinner.
Hope that helps, good luck.
Cheers,
Tim
Sent from my iPad
Tim Ward
12 Waiwetu Street,
Fendalton,
Christchurch, 8052
New Zealand.
ward.t@xtra.co.nz
021 0640221
> On 16/12/2021, at 10:47 AM, timward <ward.t@xtra.co.nz> wrote:
>
> =EF=BBDarren,
> That is the opening into the plenum chamber approximately. If you are not i
n a hurry I can measure it exactly next time at the hanger. The length is re
ally up to you, however a gentle entrance to direct the airflow would be bet
ter. Not too much pressure build up. See photo.
> Cheers,
> Tim
>
>
> Sent from my iPad
> Tim Ward
> 12 Waiwetu Street,
> Fendalton,
> Christchurch, 8052
> New Zealand.
> ward.t@xtra.co.nz
> 021 0640221
>
>>> On 16/12/2021, at 10:39 AM, daaza22 <royledarren@gmail.com> wrote:
>>>
com>
>>
>> Tim
>> Thanks for the reply and photo .
>> sorry to be a pain but could you confirm
>> 25mm for the narrow end
>> 100mm for widest part
>> 100mm long . ?
>>
>> Darren
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=505272#505272
>>
>>
>>
>>
>>
>>
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