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charset="us-ascii" Content-Transfer-Encoding: quoted-printable You need a wastegate on your exhaust side to regulate the amount of boost. = Without it, you could overboost and create detonation A pressure relief = valve is used to prevent overpressuring the intake side if you slam the thr= ottle shut. It does not regulate the amount of boost. If you are always c= areful to close your throttle slowly, you may not need a pressure relief va= lve, but you should always have a wastegate. See the links below for more i= nfo. https://www.onallcylinders.com/2017/01/19/wastegates-vs-blow-off-valves-wha= ts-the-difference/ https://grassrootsparts.com/blogs/technical/blow-off-valve-vs-wastegate https://www.hotrod.com/articles/spotters-guides-wastegates-and-blow-off-val= ves/ Bob Rogers From: Rotary motors in aircraft Sent: Thursday, May 07, 2020 4:47 PM To: Rotary motors in aircraft Subject: [EXTERNAL MESSAGE] [FlyRotary] Turbos Can anyone help me with the following? With a turbo, can I just use a pr= essure relief valve and negate the wastegate totally?? Looking for simpl= icity and weight saving. Neil. --_000_DM6PR09MB3065BF2D3740D716B08C969ADEA50DM6PR09MB3065namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

You need a wastegate on your exhaust side to regulate= the amount of boost.  Without it, you could overboost and create deto= nation   A pressure relief valve is used to prevent overpressuring the intake side if you slam the throttle shut.  It doe= s not regulate the amount of boost.  If you are always careful to clos= e your throttle slowly, you may not need a pressure relief valve, but you s= hould always have a wastegate. See the links below for more info.

 

https://www.onallcylin= ders.com/2017/01/19/wastegates-vs-blow-off-valves-whats-the-difference/=

 

https://grassrootsparts.com/blogs/technical/= blow-off-valve-vs-wastegate

 

https://www.hotrod.com/articles/spot= ters-guides-wastegates-and-blow-off-valves/

 

Bob Rogers

 

 

 

 

From: Rotary motors in aircraft <flyrotary= @lancaironline.net>
Sent: Thursday, May 07, 2020 4:47 PM
To: Rotary motors in aircraft <flyrotary@lancaironline.net> Subject: [EXTERNAL MESSAGE] [FlyRotary] Turbos

 

Can anyone help me with the fol= lowing?    With a turbo, can I just use a pressure relief va= lve and negate the wastegate totally??    Looking for simpli= city and weight saving.   Neil.

--_000_DM6PR09MB3065BF2D3740D716B08C969ADEA50DM6PR09MB3065namp_--