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>> Home > Forum > Hobby Chit Chat! > Propeller 101
Propeller 101
(576 views)
Author Message
ThatSinkingFeeling
(Chief Petty Officer)





Forum Posts: 3
16th Nov 2016 22:50  
>> Permalink
mdlbt.com/24393

Hi all, I would really appreciate some (basic) help with selecting a new propeller.

The white metal item I got in my CORDENE kit is, well, a bit lumpy. I could spend time and effort sanding and filling it but would then be worried about its durability as I hope to sail the model when complete. The solution of choice is to buy a brass replacement - but unsure about measurements. So (for argument's sake) say I bought a 30mm propeller: which of the three dimensions (A, B or C) in the attached diagram would be the "30mm" specified for the item I'd bought?


Attached Files - Click To View Large

ads90
(Lieutenant)





Forum Posts: 18
16th Nov 2016 23:59  
>> Permalink
mdlbt.com/24397

Dimension A is the one you require.

ThatSinkingFeeling
(Chief Petty Officer)





Forum Posts: 3
20th Nov 2016 21:35  
>> Permalink
mdlbt.com/24443

Many thanks, ads90.

Haverlock
(Fleet Admiral!)





Forum Posts: 401
21st Nov 2016 14:32  
>> Permalink
mdlbt.com/24447

Do not forget to specify right or left handed

the thread is the same but the direction of rotation is different and please do remember to fit a locknut ( and use locktite) so your new prop doesn't join the rest of the lost bits on the bottom of the pond


"that's not a bug its just an undocumented creature."

Sir Terence David John "Terry" Pratchett, OBE (28 April 1948 - 12 March 2015)
ThatSinkingFeeling
(Chief Petty Officer)





Forum Posts: 3
23rd Nov 2016 23:53  
>> Permalink
mdlbt.com/24482

Thanks for advice Haverlock. Had picked up on the left-hand / right-hand thing but the tip about a locknut is very useful. Probably saves on a bit of wading as well as preventing a lost prop!